Arab Water World (AWW) magazine Vol. XXXV - June 2011www.awwmag.com
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Project Monitor (Coming Soon)This section highlights the latest news about major projects in the MENA. It is divided into four subsections: - Tenders Announcements, requesting interested companies to make proposals, noting the deadline to do so;;- Biddings presented by the different interested parties;;- Awarded Contracts with info about the company;; and- Project Updates about the projects status along with work progress. E-mail: [email protected]
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Honorary Editorial Consultants (HEC Board)Mr. Abdullatif I. Al-Mugrin Water Science & Technology Association (WSTA), BahrainDr. Bakenaz A. Zeydan - Head of Water Engineering Department, Tanta University, EgyptDr. Eng. Darwish Ibrahim Yousef
Dr. Jalal Halwani - The Lebanese University, LebanonEng. Mohamad Amin Saad President Masar Technologies, USADr. Mritunjay Chaubey - Pentair Water, IndiaEuro Ing. Prof. Nidal Hilal Director of The Centre for Clean Water Technologies, Mul-tidisciplinary Nanotechnology Centre, School of Engineer-ing, Swansea University, Swansea SA2 8PP, UK.Dr. Riyad Abou Maizar Associated Consultants Engineers (ACE), BahrainDr. Walid Saleh - Int’l Network on water, Environmental & Health (INWEH), The United Nations University, JordanDr. Yousef Al. Rumikhani - Assistant Professor - King Abdul Aziz City for Science & Technology (KACST), Saudi ArabiaProf. Adel Sharif - University of Surrey, UKDr. Ing. Aiman Eid Al-Rawajfeh -sity Dep. Chemical Engineering - JordanDr. Sajid Mahmood (Azeemi) - Assistant Professor in Water Resources Management, COE in Water Resources Engineering, Lahore, PakistanDr. Adil AL Tamimi - Associate Professor of civil enginering and Director of the institute of Materials Systems “IMS” School of Engineering, Anerican University of Sharjah UAEProf. Mohammed A. Alsahlawi - Professor of Energy Economics, King Fahd University of Petroleum & Minerals, Saudi Arabia
The World Bank’s Board of Executive Directors met on March 10, 2011 to discuss the Eligibility Report for the Lebanon – Greater Beirut Water Supply Project, following the complaint I have on November 10, 2010, with the support of 50 people from and residing in Beirut City, against the project which re-quires the drawing of the Litani River water, which is stored in the Qaraoun Lake and diverted to the Awwali River, to the city and its suburbs. The Executive Directors considered the Inspection Panel’s Report and Recommendations regarding the project issued on January 20, 2011, in relation to a Re-quest for Inspection submitted in November 2010. During the meeting, Management proposed to expand a study already underway on water quality issues to cover water availability and costs. Acknowledging the legitimacy of the requesters’ concerns, the Board invited the Inspection Panel to return by July 2011 after considering and taking into account the anal-ysis of the study commissioned by Management on the water quality, availability, and cost, in order to inform the Board on whether or not subsequent investigation is warranted, and if so, on its precise focus.
Supplying potable water to the city of Beirut from the Qa-raoun Lake is considered a crime really, committed not only against more than 1.5 million people in the Lebanese capital, but also against farmers and their cultivated land in Southern Lebanon and the Upper Litani River Basin, which is a land in dire need for irrigation water. The water in ques-tion, as proven by laboratory analyses, is extremely polluted by organic matter from wastewater and chemicals from in-dustrial facilities;; such as tanneries, pharmaceutical waste, batteries, paper, pesticides, and chemical agricultural ac-ids. It is preferable not to use chemically polluted water for drinking purposes due to the high costs of treating this wa-ter, and the high probability of human and technical errors during the treatment process. The population of more than 60 towns and villages in the Bekaa region and the Rashaya District decided against providing their potable water needs from the Qaraoun Lake or from wells close to the lake. These people opted instead for pumping and drawing the faraway Ain al Zarqa water, which is located at a level 200 meters lower than that of the lake.
The water meant to be drawn to Beirut from the Qaraoun Lake, estimated at 50 million cubic meters during scarcity seasons, is located at 840 meters above sea level. This quan-tity of water is enough to irrigate more than 7,000 hectares of agricultural fallow land, which enables landowners to earn yearly dividends of more than US$30 million. It is unfair to de-prive these people from their right to use their water by draw-ing it to Beirut, while it is possible to meet the capital’s wa-ter needs through the nearby Damour River, whose water is considered fairly unpolluted in comparison to the Litani River water. So come July 2011, what will the Inspection Panel’s decision be?
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 604
Water Digest (MENA)
ARAB WATER WORLD (AWW) www.awwmag.com06
OmanTreated Water Network for
Muscat
Authorities in Saudi Arabia have refuted a BBC report claiming that water from the Zamzam well in
Work is under way to implement a network for distributing treated wa-ter, produced by plants currently under construction, in Muscat. The water reuse project, developed by Haya Water in Muscat governor-ate, is one of the major develop-ment projects under way in the city, said a statement. Eng. Omar Al Wuhaibi, CEO of Haya Water, said: “The water reuse project aims at protecting the environment against
of the traditional sewage tanks, es-
sewage has adverse impact on health and result in spread of dis-eases and epidemics. Moreover, it causes offensive smell that makes life intolerable in the affected ar-eas. “The project also aims at pro-viding treated in irrigation and planting purposes. This in turn will reduce the consump-tion of fresh water in such works. The treatment process is designed as per the world-class standards and
the most advanced technologies. The plants are designed to treat sew-age in three phases which allows us to use the -rigation and plantation purposes,” he said. All Haya Water treatment plants use the membrane bioreac-tor (MBR) technology, one of the best technologies used in the world to get high quality treated water free of any pollutants. Haya Water will implement a 290,000-meter long network for the transportation and distribution of treated water. The network covers the provinces from wilayat of Greater Muttrah to the wilayat of Barka. The main pipeline will have a 1,000mm diameter and the subsidiary conduits between 100mm and 500mm. These networks will
earmarked for irrigation purposes by Muscat Municipality to irrigate parks and public gardens as well as the plants and trees on Sultan Qaboos Road. The Muscat Hills project is pro-vided with 3,475,350 liters of treat-
38,217 liters per day for the Diwan of Royal Court, 29,533 liters per day for the Aviation Club, 842,424 liters per day for Wentworth Golf Course, and 62,344 liters per day for W J Towell,
Saudi ArabiaSaudi
ials Deny Mecca Holy Water Is Polluted
Mecca is polluted with high levels of arsenic. The
water has a special sig-nificance for many of those
who go on pilgrimages to the holy city each year. Zuhair Nawab, president of Saudi Geological Survey (SGS), said that his organization
had taken measures to ensure the safety of Zamzam well and its wa-ter. “Our experts monitor the con-dition of Zamzam on a daily basis. Every day we take three samples from the water to carry out tests and studies, which showed that it was not contaminated,” he told the paper. Earlier in May, the BBC reported that holy drinking water
Al Wuhaibi. “The water treatment plants now produce about 75 million liters of treated water per day to be in-creased to 140 million liters per day when the project is completed by 2018. About 80% of Muscat residents will be connected to the sewage networks. This in turn will contribute to increasing the greenery in Muscat provinces and wilayats,” he added.
June 2011 / Volume XXXV Issue 6
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Abu Dhabi will begin to pay grants of up to around US$30,000 per year to farmers to refrain from water-in-tensive cultivation in the Gulf emir-ate, its food control authority said
on May 9, 2011.The conditions tied to the disbursal of government assistance will raise the bar on farming practices in the emirate in terms of profitability and environmental soundness, said Mohamed Jalal al-Reyaysa, head of communication and community service at Abu Dhabi Food Control Authority (ADFCA).“Non-cultivation of animal feeds, especially the water-intensive Rhodes grass, is one of the princi-pal conditions for receiving gov-ernment aid,” he said in a state-ment. “Animal growers among the farmers are, however, permitted to cultivate feeds in a limited area for feeding their privately owned livestock.” The farmers will receive US$27,230 per year in cash in ad-dition to other aid beginning in August. Abu Dhabi is estimated to consume 550 liters of water per person per day - two to three times the world average of 180-200 liters. To ease groundwater use, about 60% of consumption in the des-ert country, the UAE has invested heavily in desalination, produc-ing 9 million cubic meters of water daily at US$18 million a day. The payment of grants will be only to farmers who comply with the rules and regulations on preservation of water resources and the modern-ization of farming in the emirate, the ADFCA said in the statement. If farmers stop the cultivation of Rhodes grass, a species of forage grass cultivated in dry regions, they will be entitled to the grant. Con-cerned about regional unrest, the UAE has said it will spend US$1.6 billion to improve infrastructure in less developed northern emirates, has raised military pensions by 70% and has introduced bread and rice subsidies. Sources have said plans to hike fuel prices were also delayed. “With the grants, they will have other fruits and vegetables they will be able to market through the Farmers’ Services Centre. So the total amount will be higher than the amount of the grant,” the official said, adding there were 25,000 farms in Abu Dhabi.
UAE Abu Dhabi to Pay Grants to Farmers for Saving Water
contaminated with arsenic was being sold illegally to Muslims by UK shops. It said that while pilgrims can bring back small amounts from Saudi Arabia, it cannot be export-ed for commercial use but an un-dercover researcher found large quantities of bottles being sold in east and south London, and in Lu-ton. “The water is poisonous, par-ticularly because of the high levels of arsenic, which is a carcinogen,” said Dr. Duncan Campbell, presi-dent of the Association of Public
Analysts in comments on the BBC news website. But Nawaz
said that the newly established King Abdullah Zamzam Water Dis-tribution Centre in Mecca followed international standards when bot-tling takes place. “We apply mod-ern methods for filling bottles after sterilization,” Nawab said. He said the contamination of the water could have caused while redistrib-uting the water in small bottles by individuals. Fahd Turkistani, adviser to the Presidency for Meteorology and Environment, said the BBC report focused on bottled water supplied by individuals and not di-rectly from the distribution center. According to the World Health Or-
ganization, the permitted arsenic rate in natural water is up to 10 mi-crogram per liter. The amount of ar-senic in Zamzam water is much less than the amount permitted by the WHO, he said. The Saudi Embassy in London issued a statement affirm-ing the purity of Zamzam in Mecca. “Scientific tests conducted on sam-ples taken from the original source have proved the Zamzam water is good for drinking,” it said, referring to tests conducted on the water at a French laboratory.
WATER TREATMENT Ozone & UV System
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 6
Application of CFD Modeling to Support Ozonia (Degrémont) UV Disinfection Reactor Design
08
One of the most important aspects of implementing UV disinfection is to ensure that the UV system is delivering the appropriate dose, which requires proper reactor design and accurate assessment of the system performance. As a
result, Computational Fluid Dynamics (CFD) emerged as a powerful tool to aid the design of the UV reactors by providing the UV dose delivered by the proposed reactor design and allowing engineers to evaluate alternative designs in much less time and at a reasonable cost.
In 2005, Ozonia acquired the Fluent CFD software pack-age, which includes the preprocessor for geometry con-struction and meshing, Gambit. Proper use of this model-ing tool allows R&D engineers to conduct geometry con-struction, mesh generation, and mechanics analysis for any reactor . This approach expands the model ability to couple the rate modeling and the particle trajectories of the target pathogen within one program. Following incorporation of the proper pathogen inactivation curves, the UV reactor germicidal effective dose can be calculated.
Model CalibrationIn order to gain experience with the new tool, a compar-ative modeling exercise was conducted on an existing closed-vessel bottom-through-top UV reactors using single medium pressure lamp. This reactor had been modeled via the traditional modeling approach during its design phase and the results had been validated through biodo-simetry. The dose predicted by the traditional modeling approach was used as the calibration benchmark.Table 1 shows the comparison between the germicidal dose predicted by the “traditional” CFD and the “New” CFD approach using Fluent. 24 particle tracks were ob-tained using the traditional method. With the conve-nience of combining particle tracks within the CFD pack-age, 2,000 and 500 particle tracks were obtained from the “new” method. Results showed that, in general, the in-house CFD ap-proach calculated Germicidal Dose values 10% lower than that from the traditional approach. Based on pri-or knowledge that the traditional modeling approach agreed with bioassay-validated dose for the same reac-tor with minor , and a 15% uncertainty for the bioassay testing i.e., greater than the discrepancy between different modeling approaches tested here, the in-house CFD analysis was deemed acceptable.
Table 1: Comparison of the traditional and new CFD mod-eling approaches
Traditional NewNo. of Particles Tracked 24 2000 500
Modeling ProcedureWith the calibration exercise providing on
the application of the new modeling tool, the actual use of the new CFD modeling tool was to the de-sign of a series of closed vessel bottom-through-top UV reactors using medium pressure lamps, which have similar geometry to the calibration reactor. The modeling proce-dures include geometry construction, mesh generation, model setup, solution iteration, and post-treatment.
The reactor was imported from the SolidWorks model. Then the reactor was meshed us-ing a Tet/Hybrid mesh in TGrid type with local performed around the lamps and the wiper drive rod. The standard k-epsilon turbulence model was chosen to com-pute the turbulence inside the reactor. The inlet was modeled as a velocity inlet boundary and the outlet was modeled as a pressure outlet with 0 psig backpressure. The was treated as incompressible so that the selec-tion of outlet pressure did not affect the paths within the reactor. The outlet was extended with outlet piping having a length that is equal to times that of the re-actor diameter in order for the to exit the reactor smoothly and avoid artifact back .The Discrete Ordinate (DO) model was chosen as the ra-diation model to compute the UV radiation inside the reactor. The UV radiation density as an input parameter was calculated based on the effective germicidal UV in-tensity of each lamp at end of lamp life.
The particles used to generate the tracks through the re-actor were as spherical particles having the same density as water. To provide for streamline functionality with the particles these were set as having the same in-stantaneous velocity as calculated at the UV reactor en-try point, i.e. across the surface of the reactor inlet. The resulting dose values were thereafter exported into MS Excel in order to take the MS2 phage inactivation kinet-ics into consideration, which is the kinetics equation used by the traditional modeling method. Two MS2 inactivation equations were used to represent the sensitive and strong
MS2 culture to UV radiation (NWRI, 2000). The equations are as follows:
WATER TREATMENT Ozone & UV System
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 610
Lessons Learned through the actual modeling process:
Model InputsBecause the input parameters used in Fluent directly af-fect the accuracy of the modeling, all the model inputs, including the turbulence and radiation model selection, the boundary conditions, the solver controls and the ma-terial properties were carefully to best represent the conditions within the reactor geometry.For UV reactors, it is of special importance that the radia-tion model is chosen properly and the model parameters used correctly. As mentioned previously, the DO model, a built-in radiation model in Fluent, was used. The DO mod-el is the most comprehensive radiation model in Fluent. It accounts for scattering, semi-transparent media such as water and wavelength-dependent transmission. In or-der to compare the DO model and the previously used Line Source Integration (LSI) model, an analysis was con-ducted to compare the radiation and the average intensity of the same UV reactor under the same water transmittance condition computed by both models.To take a close look at the intensity values, Table 2 shows the average UV intensity values calculated by both models over UVT range of 60% to 95% for a closed – ves-sel UV reactor housing two UV lamps. The difference be-tween the calculated average intensity values are less than +/- 5% at the same UVT level, which indicates that both DO and LSI provide similar radiation intensity results. Table 2: Average UV intensity calculated by LSI and DO models for a closed vessel two- lamp reactor
Modeling ResultsWith proper use of model approaches, CFD analysis re-sults in a dose- curve that is useful for reactor evalua-tion under various water quality conditions. As expected, at lower the CFD modeled dose is lower than the theoretical calculation while at higher , the discrep-ancy reduced, which indicates the effect of increased turbulence mixing as rates increase. In addition, more detailed information, such as patterns and dose dis-tribution, can be derived from CFD modeling than is typi-
cally obtained from physical testing. Figure 1 shows a ve-locity contour plot of the 4-lamp reactor at center planes parallel to and perpendicular to the direction. The contour plot illustrates that the within the reactor smoothly evolved across the reactor and an increase of
rate is observed at the outlet elbow, which is expect-ed for this type of geometry. Figure 2 shows 100 particle tracks through the reactor, which provides a basis for par-ticle dose track analysis. This information was used for the R&D engineers to understand the pattern and dose distribution in the reactor with more insight and to further improve the reactor design, accordingly.
Design ImprovementA key advantage of CFD modeling allows the user to eval-uate alternative designs in much less time and at a much lower cost than physical testing approaches. With this ap-proach, the R&D engineers were able to change system geometry or boundary conditions, observe the change in
pattern and modify the reactor design as necessary in order to eliminate short-circuiting and dead zones. For example, the optimization of key components impacting the reactor performance, such as the lamp positioning,
defector design, and the wiper plate arrange-ment can be achieved through CFD analysis.
ConclusionsThis paper demonstrates that CFD modeling is a powerful and useful tool to optimize the design of UV reactors as a complement to actual testing of those reactors, thereby improving the of new reactor development. The use of CFD modeling allows for a quick assessment of alternate reactor under multiple conditions of and UVT. By combining modeling and radia-tion model in one process, no intense post-treatment is necessary.
In addition, having in-house CFD modeling capability provides greater cost while allowing for more particle tracks to be modeled, and therefore greater con-
in the calculation of the predicted dose values as compared to the traditional outsourcing approach.
www.degremont-technologies.com
Figure 1: Velocity contour for a closed-vessel four lamp reactorFigure 2: Particle tracks for 100 particles inside a closed - ves-sel four lamp reactor
Figure 1 Figure 2
Ozone & UV System
www.awwmag.com 11
BIO-UV is France’s leading manufac-turer of ultraviolet water treatment equipment. It designs, manufactures, and markets ultraviolet disinfection systems from its production sites in Lunel, France and Los Angeles, USA. BIO-UV provides water treatment so-lutions in many : Residential and commercial pools and spas, domestic and municipal drinking water, industri-al processes, wastewater, aquariums, legionella prevention, etc. The PHARMA range is specially de-signed for the treatment of ultra-pure water in the pharmaceutical, cos-metic, and bottled water industries. The main applications are disinfect-ing treatment of water loops, destruction of residual ozone and re-duction of traces of TOC in the ultra-pure water. The physical or chemical characteristics of the water are not changed. There is no risk of under-
Innovative Ultraviolet Water Treatment Equipment from BIO-UV
doses or overdoses and no chemi-cal product monitoring and handling constraints. Also, access to drinking water, every-where and for everyone throughout the world, is now a reality thanks to BIO-SUN. BIO-SUN drinking wa-ter using a combination of , UV disinfection, and solar energy. Contributing to the local economic development by providing a viable environmental solution, BIO-SUN gives rural populations in develop-ing countries access to pure, healthy water and also provides drinking water to isolated areas everywhere in the world. BIO-SUN is able to treat the equivalent of 500 liters/hour with 400 J/m², which represents the dose required to make water drinkable in all developed countries. Thanks to mi-
, a UV lamp, and a solar panel, BIO-SUN can therefore meet
the drinking water daily requirements of 80 to 100 persons. BIO-SUN provides microbiologically-safe drinking wa-ter for populations everywhere in the world using only natural solar energy. The maintenance cost per drinking water liter is only US$0,002! BIO-SUN is an easy-to-use photovoltaic termi-nal and an autonomous water puri-
station. Besides its innovative nature, BIO-SUN is a solution that the international development organiza-tions (NGOs) have been waiting for.
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 612
Sewage, or domestic wastewater, treatment is the process of removing contaminants from wastewater and household sewage, including surface runoff water. It includes physical, chemical, and biological processes to remove these contaminants. Its primary goal is to produce a waste stream of liquid and solid waste (sludge) that is suitable for discharge back into the environment.One of the most important parts of the process is aeration. HSI Multistage blowers and High Speed Turbo blow-ers are used to shake up the sewage and expose it to the air. This causes some of the dissolved gases, such as hydrogen with its foul taste and smell, to be released from the water. The wastewater then enters a series of long, parallel concrete tanks that are divided into two sections. In the section, air is pumped through the water. As organic matter decays, it uses up oxygen, and aeration re-plenishes the oxygen. Bubbling oxy-gen through the water also keeps the organic material suspended, while it forces grit such as coffee grounds, sand, and other small dense particles to settle at the bottom of the tank,
Turbo Blowers Save Energy in Wastewater TreatmentAeration blowers have an important task in wastewater treatment, but their handicap is high energy consumption.
Houston, Texas-based company, HSI, introduced in early 2008 the air bearing HT series blower, which can reduce en-ergy costs by 20-40%. Vacon AC drives are used for speed control.
from where it is removed and taken to .
Matching the Blower Speed to the Aeration RequirementIn the light of the current economic situation across the globe, municipal-ities are exploring all avenues to mini-mize operating costs and make their facilities more energy- . One of the largest consumers of energy at the plant is the aeration blowers. These blowers are typically variable torque applications that from ‘ laws’, which state that ‘pow-er varies with the cube of the speed’. In laymen’s terms, slowing the speed down 20% will reduce power by 50%. So the objective is to match the blower speed to the actual aeration requirement, and this is also true with any centrifugal pump application throughout the plant.HSI has been able to help municipali-ties in this quest to be more “green”, introducing the air bearing HT series blower to replace the old positive displacement or centrifugal blowers used for their aeration systems. The City of Louisville, Colorado in the USA is one of many such municipalities that have joined the “green” tech-
nology movement and purchased HSI High Speed Turbo blowers for its wastewater treatment facility. The decision to purchase the High Speed Turbo from HSI was based on quality and the annual energy savings.“The wastewater treatment facility is saving 25-30% in energy and that will pay off the equipment within 5-6 years,” says Paul Bremser, Wastewa-ter Facility Superintendent. “HSI was not the lowest in price amongst the competitors but I knew they stood behind their equipment. When I vis-ited the operation in Houston, Texas, I saw their Quality Center and that put my worries to rest.”
Energy Costs Reduced by 20-40% Using an HT series blower can result in a 20-40% reduction in energy costs. Additional include lower maintenance costs, since there are no belts, gears or couplings and no lubrication, with the only scheduled maintenance being routine inlet changes. The HT series is quiet, less than 80 dB(A) and complying with OSHA standards. In addition, the HSI HT series can operate in parallel with other types of blowers with a smaller footprint than traditional blowers.
HSI High Speed Turbo blower HT-300 unit with the liquid-cooled Vacon NXP drive. The liquid-cooled drive has only minimal power losses to the air, which reduces the need for drive cabinet ventilation
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 614
HSIVacon (AC) HT
The HSI HT series are shipped as a pre-engineered working system with integrated controls, Vacon variable frequency drive, inlet, and elec-trical disconnect to keep installation costs to a minimum.Further energy savings are possible when utilizing the HT blowers’ “plug and play” control system. This can be connected directly to a dissolved oxygen probe via a 4-20 mA connec-tion or via Ethernet to a plant SCADA for remote monitoring and opera-tion, or HSI can add process control panels to automate the existing ba-sin control valves, maintaining -ent quality while minimizing the total energy consumption of the blowers.
Vacon Liquid-Cooled and Air-Cooled Drives Preferred Choices of HSI HSI has chosen the Vacon NXP liquid-cooled drive to vary the speed on their High Speed Turbo blower. There are many reasons for selecting the liquid-cooled Vacon NXP drive. It has the capability to control the speed on a special permanent magnet 2 pole motor that can exceed speeds of 520 Hz or more than 30,000 RPM in this application. These PM motors can sometimes run in open loop but may also require encoders and/or resolv-ers that are used to close the loop for more precise speed control. Another major from specifying the Va-con liquid-cooled drive is the small footprint, typically 33% that of an air-cooled drive. This allows the drive to be installed in the blower enclosure, maintaining the compact size and low noise features of the High Speed Turbo blower. HSI is also a leading manufacturer of Multistage blowers that use a stan-dard induction motor. HSI’s choice of drive is the air-cooled Vacon NXS drive. One item that separates Va-con from other drive companies is their built-in AC line choke in the air-cooled Vacon NXS drives. There are many ways to reduce the nega-tive effects of harmonics generated
back to the line, and the standard AC choke on the air-cooled Vacon NXS drive automatically reduces har-monics by an average 40%. It also helps with high voltage spikes or dis-turbances on the line and protects the drive from possible damage.“HSI offers a closed loop liquid cooling system or can use the discharge -ent if available;; this makes a perfect marriage between the HSI High Speed Turbo blower and the liquid-cooled Vacon NXP drive,” says Jim Pearsall, Vice President, HSI. “For our Multistage blowers, the air-cooled Vacon NXS drive is the preferred choice.” “Two key advantages with the Vacon drive are continuity between the pro-gramming for the liquid-cooled and the air-cooled NXS drives and the pos-sibility to use 10 kHz output carrier fre-quency that results in reduced audi-ble noise,” says Andrew Balberg, Vice President, Sales and Marketing, HSI.HSI is an ISO 9001-2008 manu-facturer of high speed turbo blowers, centrifugal blowers, exhausters, and control systems with representatives worldwide. HSI offers blower equip-ment performance ranges up to 25 PSI (1.7 bar) pressure or 18 inHg (457 mmHg) vacuum and from 100 CFM (3 m³/hr) to 40,000 CFM (1,130 m³/hr). All engineering, manufactur-ing and testing is located in Houston, Texas, USA.
Vacon is driven by a passion to de-sign, manufacture, and sell only the
best AC drives on the planet - and nothing else. AC drives can be used to control electric motors or to help generate power from renewable sources. Vacon has R&D and pro-duction facilities in Finland, the Unit-ed States, China, and Italy, and sales
in 27 countries. The history of Vacon dates back to 1993 when a group of 13 key employees at the Vaasa Factories of ABB Industry Oy founded Vaasa Control Oy. These 13 founding members started Vacon’s amazing race towards the goal of becoming a leading global supplier of AC drives. Since then, some 1,200 more people have joined the team, serving a network of customers and partners all over the world. Now it is time to look back, and also to look ahead. The amazing race continues.
HSI (Houston Service Industries) is the world’s leading manufacturer of centrifugal blowers, exhausters, and control systems. An ISO 9001-2000
company located in Hous-ton, Texas, USA, it has have repre-sentatives located around the world to serve customers. Product perfor-mance ranges up to 25 PSI (1.7 Bar) pressure or to 18 inHg (457 mmHg) vacuum and from 10 to 70,000 m³/hr. HSI manufactures centrifugal blowers and process control systems as well as provides complete blower packages with accessories to meet a wide variety of applications. www.vacon.com
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 616
BioAir Solutions, a leading North Ameri-can provider of biological solutions and technology for removing odor and air emissions from wastewater treat-ment plants and sewerage pumping stations, is bringing its state-of-the-art EcoFilter® biotrickling capabili-ties to the Middle East. The company has opened an in Dubai in the United Arab Emirates where a regional
BioAir Solutions Brings a Proven, Biological Odor Control Technology to the Middle East
manager will work directly with public utilities, engineering , land devel-opers and contractors to introduce the proven, reliable, biological technology that has gained wide acceptance in the United States and Canada.According to Louis le Roux, president of BioAir Solutions, the technology de-veloped by the company has already been installed by North American
municipal utilities at wastewater treat-ment plants and pump stations where air emissions and odors are a problem.“Utilities interested in an environmen-tally-friendly, simple-to-operate tech-nology that virtually eliminates odors without the use of hazardous chemi-cals, have embraced the solutions provided by BioAir,” said le Roux. “And with superior service after the sale, the EcoFilter technology is rapidly becom-ing the new industry standard for han-dling wastewater odors.”
Le Roux noted that the EcoFilter tech-nology represents the latest in the de-velopment of biotrickling systems. He said the heart of the technology is BioAir’s patented EcoBase™ structured plastic, synthetic media which provides controlled mass transfer resulting in con-sistent and reliable long-term perfor-mance. In addition, the system offers low operating costs, minimal mainte-nance, and years of hassle-free treat-ment with zero odor complaints from plant operators and those living nearby.To establish its presence in the re-gion, le Roux said that BioAir has hired Jawad Murtaja as the regional man-ager for the Middle East. Murtaja, who earned a degree in civil engineering in the United States, was most recently with Saudi Aramco Oil Company Utilities Projects Unit in Dhahran, Saudi Arabia.
Biological Wastewater Treatment
www.awwmag.com 17
Environmental Equipment Company (EEC) Saudi Ara-bia is a division of the GulfSAF group of companies. The group operates various divisions that are managed by dedicated experts who are well versed in all aspects of product techniques. EEC specializes in wastewater treat-ment plants for domestic and industrial sectors. EEC offers containerized package plants and customized treatment systems using Moving Bed Bioreactors (MBBR) that are fully automatic, and incorporates their control for complete in-dependence. EEC scan combine “smart solutions” as a result of the company’s global operation with extensive experience in both production and WWTP operations. The sewage is pumped into the buffer tank from the lift station through the manually cleaned bar screen. The buffer tank equalizes the variation in and organic load over the day. The buffer tank is aerated with coarse bubble diffuser so that sewage does not become septic and also suspended solids remain in suspension. The EEC biological treatment system is based on the Assisted Me-dia (AMB) process and comes with two moving bed bioreactors (MBBR) in series. The reactor is acting as a roughing reactor to shave peak loads and remove most of the BOD. The second reactor is a polishing reactor designed to reach the required BOD.The bioreactors are with “AMB Bio Media” a spe-cially designed carrier element which is free -ing and moving around in the reactor with the . The
ACWA’s extensive experience in providing state-of-the-art membrane treatment systems in the Middle East has en-abled the company to win a key contract from Saudi Ara-bia’s Ministry of Finance for a comprehensive wastewater treatment and reuse plant.The plant, which will be sited in the western region of the country between the cities of Makkah and Jeddah, will have a 12,000 m³/day capacity and will feature ACWA’s award-winning Memtreat® membrane bioreactor tech-nology (MBR).The turnkey contract involves engineering, procurement, delivery, construction, installation, and commissioning of the treatment solutions including the required pretreat-ment. The demanding 12-month timescale of the project is a further challenge following an extremely competitive tendering process that pitted ACWA’s formidable local experience and reputation against an array of local and international companies.ACWA Emirates General Manager, Gary Jackson, said: “ACWA is extremely proud to have won this prestigious contract. Our success is due to our considerable reputa-tion for technical expertise and track record in providing reliable, cutting-edge MBR systems across the region, in-
EEC Containerized Systems for Biological Wastewater Treatment
AMB bio medium provides an effective surface of 950 m² per m³ bulk material. Simultaneously, biomass is trapped inside the carrier elements, providing additional MLVSS in the reactors without the need for convention-al activated sludge return. The bioreactors are aerated through a coarse bubble air distribution system at the bot-tom of the tank, with air supply from a rotary displace-ment air blower. The biodegraded water by grav-ity into the stage where the suspended solids settle by gravity. The water is directed through a skim well to an inclined tube-settling zone, which provides the
of the , and where the sludge settles easily to the bottom of the tank. The sludge is removed by a timer controlled EEC hydro cyclone assembly that sepa-rates volatile sludge from non volatile sludge. The excess sludge is transferred to a waste sludge holding tank.
Key Saudi Contract for ACWA
cluding one of the world’s largest at Al Ansab in Oman which treats a of 76,000 m³/day.” ACWA is in the process of opening an operational in Saudi Arabia to serve this key market, offering construc-tion services to clients in addition to its operation and maintenance expertise.
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 618
Metito, the leading provider of total intelligent water man-agement solutions in emerging markets, will design, sup-ply, deliver and install the latest water treatment plant in the company’s growing portfolio of projects in the Kingdom of Saudi Arabia.The Al Ruqai Border Center wastewater treatment plant will be located in the north-east of the Kingdom on the border with Kuwait. The contract valued at US$1.1 mil-lion, will be executed under the main contractor, Sanam Contracting Company, and upon completion in May 2012 will service 10,000 people in Al Ruqai and the sur-rounding area with treated wastewater for irrigation. As Salah El Ackad, General Manager – Dubai, Northern Emirates, Oman, Pakistan & KSA explains: “We have a long history in the region lasting over 50 years and this project is part of a long line of ongoing initiatives we are looking at and signing on with in the Kingdom.” “Al Ruqai represents a key area, as it is located right on the border with Kuwait and is home to many thousands of people. We are dedicated to constantly innovating wa-ter treatment technology and we aim to offer safe water for all those areas that need it.”
An essential stage in the process of biological -tion of wastewater is its effective aeration. For this reason, KAMPS Company has developed and produced for more than twenty years the AIRMAX slow-speed vertical shaft surface aerator.Of the slow-speed aerators, vertical shaft turbines are the most widely used as they offer more oxygen-ation, a higher machine induced oxygenation capacity, and the greatest capacity for mixing and propulsion in correctly designed oxidation ditches.By comparing low-speed turbines (or surface aerators) with bubble aeration, we that slow-speed vertical shaft aerators have some advantages. The investment cost is considerably lower. The same goes for mainte-nance, whereas bubble aerators have to be cleaned regularly. The lifetime of slow-speed surface aerators is far higher and they are far more reliable. Their oxygenation
appears (in clear water) to be lower initially, but as the diffusers age, the bubble oxygenation -ciency may fall away considerably. The oxygen transfer in urban wastewater can become higher again for surface aerators, owing to a higher alpha factor. Over extended periods, we see that the energy consumption of slow-speed surface aerators is comparable to or even lower than the energy consumption of the bubble systems.
Metito to Build State-of-the-Art Wastewater Treatment Plant in Saudi Arabia
The plant will utilize the latest in Membrane Bio Reactor (MBR) technology for the treatment of the domestic wastewater, in order to yield the highest standards of Treated Sewage (TSE) with minimum use of area. Metito is a regional leader in using and innovating MBR technology, with over 10 projects executed so far in its portfolio, representing a total installed capacity of 100,000 m³/day serving almost 500,000 people. Metito participated in the 2011 WEPower Exhibition be-ing held in Dammam, Saudi Arabia, from the May 14 to 17, where it will meet with industry leaders and govern-ment to unveil new projects and discuss the latest topics pertaining to the water industry, not only in Saudi Arabia, but throughout the region.
KAMPS Company: Water Treatment Solutions
In conditions, the AIRMAX surface aerator achieves greater energy .
Other criteria also have to be taken into ac-count, such as noise, and the aerosols and accessories re-quired in an aeration system. Slow-speed surface aerators can be entirely covered, in order to avoid any nuisance. The current accelerators, ventilators, and instrumentation required for bubbles are not necessary for slow-speed aerators.
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 620
Supplemental Aeration and CirculationKey to Problem Solving
Kasco Aeration, Inc. manufactures industrial grade, en-ergy- equipment that can be used in lagoons or multi-stage treatment systems to aerate and circulate wastewater. All equipment meets UL standards and is manufactured with 316 stainless steel. Heavy duty poly-ethylene support the units with stainless steel hardware and included mooring lines. Equipment is com-pact, rugged, and easily moved to address seasonal is-sues or to supplement after an increase in loading.Lagoon systems have aerobic and anaerobic processes ongoing simultaneously to completely process waste streams. The aerobic portion of treatment in wastewater lagoons is most often the component that is challenged and the source of problems when neglected. Aeration and the associated oxygen content is directly responsible for accelerating the aerobic bacterial population in the lagoon. Aeration of wastewater represents one of the most costly portions of treatment and is para-mount in choosing equipment. Oxidations take place at least 10 times faster with the presence of oxygen. Kasco aerators can achieve SOTR as high as 3 lbs Oxygen/HP/ hour and are available from ½ horsepower to 5 horsepow-er. Single and three phase equipment is available and 50 or 60 Hz options offer of design.Poor circulation decreases treatment effectiveness. Di-
rectional can be created in corners or areas where is restricted by equipment or access platforms. Treat-
ment chemicals can be effectively mixed, diluted, or dispersed using directional . Kasco circulators are compact, can be installed with a or by using a water depth adjustable dock mount that can be easily adjusted to redirect with a 360 degree range.Mechanical aeration and circulation provides the follow-ing advantages:
Increase and reduce the area of land required.Shorten waste detention times and handle addi-tional loading.Break up scum and debris that can re-duce circulation, provide rooting for aquatic veg-etation, and breeding areas for mosquitoes. Disrupt problematic blue green before they can cause shading and odor issues with adjacent home and businesses. Increase oxygen levels prior to releasing the pro-cessed stream to natural waters.
Compact, aeration and circulation equipment can offer practical solutions to many commonly occur-ring problems in waste systems and help systems operate with predictable results.
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 622
The civil works for the biological stage at both sites started last year. The technical solutions, consisting of and deep bed for Meilen and membrane biore-actor (MBR) for Zermatt, represent high-performance sys-tems from WABAG with a small footprint that match the particular requirements of the projects to perfection.
Membrane Bioreactor (MBR) at the Zermatt WWTPZermatt, the world-famous tourist destination at the foot of the Matterhorn, will soon have a highly advanced biologi-cal treatment system. The existing biological treatment stage of the Zermatt WWTP was completed during 1982 in a tunnel system built in rock. Due to the loads, which in the meantime have increased massively, and new -ent requirements, as well as the age of the equipment, an extensive enlargement of the biological phase has be-come essential. Membrane biology has been shown to be the most cost- solution as it can be realized without major adaptations to the existing civil works and also offers the option of further extension. Therefore, the world-famous tourist destination will soon have a highly advanced biological treatment system.The new plant is to have a capacity of 60,000 PE and offer scope for enlargement to 75,000 PE, which will make it the largest membrane bioreactor plant in Switzerland. In order to not disturb operations during the extension, realization will be completed in several stages, with the main work being carried out between the spring and autumn of 2011 and 2012. During this period one of the existing treatment lines will be for membrane and then put into operation. Each of the new treatment lines will consist of two and two membrane bioreactor tanks. Hollow membranes are to be employed for the -tion system.The plant concept takes into consideration the need for both operation necessitated by strong seasonal load variations due to tourism and optimized power con-sumption. Due to the extremely low alkalinity of the waste-water, the aim is to achieve a maximum rate, in order to minimize additions of lime, which is used to ensure the required residual alkalinity.
Plant at the Meilen WWTPGiven the treatment performance and age of its existing infrastructure, the district of Meilen decided to ex-tend and comprehensively rehabilitate the Meilen WWTP. Among the objectives to be met were a minimum footprint for the new parts of the plant and the stringent re-quirements relating to the plant’s location on the shores of Lake Zurich. In view of these stipulations, a plant with downstream tertiary was put out to tender for the biological stage. The of this solution include a
WABAG Switzerland: Start of Civil Works Membrane Bioreactor (MBR) at Zermatt WWTP Biofiltration (BIOPUR®) and at Meilen WWTP
small footprint, attractive architectural integration, cost ef- and the possibility for a simple future extension for
the elimination of micro-pollutants.The new plant will have a capacity of 52,500 PE. The -tration unit has a two-stage concept with pre- -tion (BIOPUR-DN) as a stage and (BIOPUR-NK) as the second. Subsequently, the water through a WABAG tertiary , which ensures adherence to the strict stipulations relating to suspended solids (5 mg/l) and phosphorous (0.2 mg/l). The contact and reaction tanks located between the and the
stages, which would be needed for the future treatment of micro-pollutants, are also to be installed now. The whole plant will be roofed and have a footprint of approximately 30m x 45m. This area includes various, ad-ditional operational facilities and demonstrates the build-ing’s compactness. Moreover, the covered design of the building and exhaust air treatment also mean that noise and malodourous emissions can be minimized. Commis-sioning of the new plant is scheduled for 2012.
Around the world, the WABAG name stands for innovative and successful solutions in the water technology sector. As an internationally respected expert group, the com-pany acts as a systems specialist and full service provider with a focus on the planning, installation, and operation of drinking and wastewater plants for local government and industry in the growth markets of Asia, North Africa, the Middle East, the Central and Eastern European states. WABAG Water Technology Ltd. in Winterthur is the larg-est supplier of drinking water and wastewater treatment plants in Switzerland. The company portfolio includes planning, design, completion, start-up, and servicing for everything from system components to turnkey plants. www.wabag.com
extended by use of Membrane Bioreactor Technology
DESALINATION TECHNOLOGY Reverse Osmosis
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 6
OSMO SISTEMIBRS
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Irrigation water quality can have a profound impact on crop production. Water salinity and water quality affect plant growth, resulting in lower crop yields, reduced agricultural production, and soil contamination. Increased levels of salt can disturb the
balance of plant nutrients and some salts are toxic to certain plants. Although there is a wide range of salt tolerance in plants’ growth, most normal crops are not highly salt-tolerant and will eventually die out under certain saline conditions. The yields of some particularly sensitive plants, such as carrots, beans, avoca-dos, and strawberries are strongly af-fected by saline water. In addition to salinity in general, some crops are in-jured by certain elements, in particular sodium (Na+), Chlorides (Cl-) and boron (B). With drip and furrow irrigation, chlo-rides and sodium injury do not generally occur unless salinity in irrigation water is severe. Leaf injury can occur in straw-berries, however particularly under hot, dry conditions. Under sprinkler irrigation, injury might occur on wetted leaves for susceptible plants such as peppers, po-tatoes, and tomatoes (EC should not exceed 1.5 mmS/cm).Tolerability of Sodium varies consider-ably, sodium injuries on avocado, citrus, and stone fruit trees occur with concen-tration as low as 115 ppm. Initially the sodium is retained by the roots but after 3-4 years the conversion of sapwood to heartwood apparently releases the ac-cumulated sodium which then moves to the leaves causing leaf burn.Chlorides move readily with the soil and water and taken up by the roots reach-ing stems and leaves, sensitive berries and avocado rootstocks can tolerate only up to 120 ppm of chlorides.Chloride of irrigation waterChloride (ppm) Effect on CropsBelow 70 Generally safe for all plants70-140 Sensitive plants show injury141-350 Moderately tolerant plants show injuryAbove 350 Can cause severe problemsChloride tolerance of selected crops. Listing in order of increasing tolerance: (low tolerance) dry bean, onion, carrot, lettuce, pepper, corn, potato, alfalfa, Sudan grass, zucchini squash, wheat, sorghum, sugar beet, barley (high toler-ance). Source: Mass (1990) Crop Salt Tolerance. Agricultural Salinity Assess-ment and Management Manual. K.K. Tanji (ed.). ASCE, New York. pp 262-304.
Finally, some vegetable and raw crops are sensitive to Boron. Long term use of irrigation water contain-ing more than 0.5 ppm boron can re-duce the yields of bean, onion, garlic, and strawberry, 0.7 ppm can reduce
Boron, Chlorides, and Sodium Can Be Enemies of Plant Growth, RO Is the Solution
the yields of broccoli, carrots, pota-toes, and lettuce, and concentration greater than 2 ppm can reduce the yields ofBoron sensitivity of selected Colorado plants (B concentration, mg/ L*)
Source: Mass (1987) Salt tolerance of plants. CRC Handbook of Plant Science in Agriculture. B.R. Cristie (ed.). CRC Press Inc. *Maximum concentrations tolerated in soil water or saturation extract without yield or vegetative growth reductions. Maximum concentrations in the irriga-tion water are approximately equal to these values or slightly less.
The SolutionOSMO SISTEMI have installed more than 200 plants in the irrigation sec-tor in the past 10 years, mainly in Italy and Northern Europe where the high salinity problems for the greenhouses in the Southern European regions are constantly increasing. Reverse Osmosis is the best techni-cal and economical solution for the reduction of Chlorides and Sodium content in irrigation water. Thanks to a correct blending of the permeate
water, the salt content is consistently reduced while the presence of mi-cronutrients can be maintained and the cost per cubic meter of product water is also reduced.Further to the deep experience de-
veloped especially during the de-sign of the revamping and extension of the Dhekelia Desalination Plant in Cyprus (60,000 m³/day - Boron level
<0.5 ppm), OSMO SISTEMI has now experience in BRS systems
(Boron Removal Systems) and a pi-lot plant is ready in stock to conduct
tests with the help and sup-port of a competitive team of spe-cialized engineers available to give technical support to the operation and analysis of the results of the test. www.osmosistemi.it
Reverse Osmosis
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The Roman town of Trier, Germany has boldly chosen the most innovative technology on the market to its future needs for drinking water treatment. Starting in the spring of 2012, up to 1,600 m³ of water per hour will be treated by
modules made by inge watertechnologies AG, a company based in the town of Greifenberg on the Ammersee lake in Bavaria, Germany. This means a total of 38,400 m³ of water from the Riveris reservoir will be each day through the purely physical method of remov-ing bacteria, viruses, and suspended solids from the water using membranes – without the use of chemicals.The Trier municipal utility company has invested in the very latest product from the world’s leading provider of -tration technology: The T-Rack vario. Designed as an ultra-compact rack system, the T-Rack vario incorporates 312 dizzer XL 0.9 MB 60 modules in six lines. The core component of these modules is the patented Multibore membrane, which is considered to be the most reliable and resilient solution available on the market. The munici-pal utility company’s decision to place their trust in this Bavarian technology was based on the success of a long-term pilot project and the reasonably priced package offered by inge watertechnologies AG. During the pilot phase, the PES membrane supplied by inge watertech-nologies AG proved itself to be superior to conventional PVDF products when it came to treating Trier’s reservoir water. One of the key criteria for choosing inge AG’s solu-tion was the broader pH compatibility of the PES mem-brane, which avoids the need for frequent use of chlorine-containing cleaning chemicals. The hydrodynamically optimized dizzer modules are designed to ensure highly resource- operation, with operating
Modernizing the Trier Municipal Waterworks: m³/h of
Clean Waterpressures that are three or four times lower than conven-tional solutions and no need for air scouring.inge watertechnologies AG’s sales manager Josef Wun-ram is delighted with the new project: “We are very pleased to have been awarded what is a truly huge contract by the standards of the German market. Along with the Arnsberg Mönnebogen and Langel projects, Trier provides yet another example of the pioneering role and market leadership we have achieved in the German ul-
technology sector.” inge employs more than 80 staff and is the world’s leading provider of technology, a membrane pro-cess used to treat drinking water, process water, waste-water, and seawater. With a global reach enhanced by its network of partners, the company has completed nu-merous reference products around the globe featuring its cutting-edge technology. Its range of products include highly- modules and cost-effective, space-saving rack designs as the core components of water treatment plants, rounded off by the superb techni-cal support it provides to its customers.
A superbly compact form of modern UF technology: The new “T-Rack vario” from inge watertechnologies AG
DESALINATION TECHNOLOGY Reverse Osmosis
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 626
Dow Water & Process Solutions announced the next gen-eration of DOW FILMTEC™ reverse osmosis (RO) mem-brane components, offering best-in-class performance of water treatment for a wide range of commercial appli-cations. The innovative DOW FILMTEC™ LC HR 4040 and DOW FILMTEC™ LC LE 4040 elements utilize advanced membrane chemistry to deliver high-quality water at low total cost of ownership. These latest RO innovations re-cently debuted at WQA Aquatech USA 2011.“As a global leader in sustainable separation and -cation technologies, we are committed to making po-table or drinking water more available while protecting vital resources for communities and industries around the world,” said Snehal Desai, Global Marketing Director, Dow Water & Process Solutions. “Our latest additions to the DOW FILMTEC™ product line will bring greater resource protection and utilization to businesses and municipalities around the world.”
With an industry-leading rejection rate of 99.7%, the DOW FILMTEC™ LC HR 4040 provides more than 40% reduction in salt passage and the existing DOW FILMTEC™ BW30-4040 high-rejection element. The element is ideally suited for processes with
As the number of projects is expected to pick up in 2011 and beyond, dealing with only one supplier is a major
to contractors. With the acquisition of Calder AG, Flowserve has now become the one company that can supply all control equipment for reverse osmosis (RO) plants. This includes energy recovery devices, pumps, me-chanical seals, and valves.
Energy is the second largest expense in operating RO plants. That fact led to the development of energy recov-ery devices. The Dual Work Exchanger Energy Recovery (DWEER™), an isobaric machine, consists of two long ves-sels that feature a piston that separates the pro-cess . The beauty of the system is that there are no rotating parts that can wear out. In fact, at full speed the pistons are only cycling up to times per minute. The system is adjustable for speed, which means that it can start very gradually, eliminating over-pressurization and water hammer. Also, due to the low speed, the noise lev-els are well below OSHA recommended levels of 85 dBa. The DWEER is installed at some of the largest desalination plants in the world.
Flowserve Corporation manufactures centrifugal pumps, valves and mechanical seals that have been widely used
Dow Water & Process Solutions Unveils Latest Addition to DOW FILMTEC™ Reverse Osmosis Elements
high-quality/high-volume water requirements such as those found in pharmaceutical, car wash, and industrial applications.
At the same time, the DOW FILMTEC™ LC LE 4040 low-en-ergy element delivers high-quality water at low-pressure operations, in harsh feed water conditions. This element provides
rate and reduction in salt passage compared to earlier DOW FILMTEC™ ele-
-ings. The LC LE 4040 element is appropriate for use in large commercial applications such as hotels, restaurants, and water vending machines.
Flowserve: One Source for RO Equipment
in Oil & Gas, Power, Water, and Chemical industries. For over 50 years, Flowserve has supplied pumps to the desali-nation industry. One of the trademarks of Flowserve equip-ment is the reliability and high of its pumps.
In addition to worldwide sales and manufacturing, Flowserve also operates a network of over 150 Quick Re-sponse Centers, with locations in Saudi Arabia, Dubai, and Abu Dhabi. The QRCs are designed to offer service and repair for Flowserve equipment. The combination of highly new equipment backed by a network of service centers makes Flowserve the one source for RO equipment in this industry.
Reverse Osmosis
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The lack of clean, potable water is a growing problem worldwide. Only 3% of the water available on Earth is freshwater. Advancements in reverse osmosis (RO) miti-gate problems caused by increasing demand for clean water and decreasing supply. RO can increase the fresh-water supply by desalinating saltwater. While large RO plants are being built worldwide, these plants and their distribution networks are costly, and they are impractical in areas without reliable grids and cheap energy. WorldWater & Solar Technologies, Inc.’s (WWST) approach is different. Using solar power and providing distributed, village-sized infrastructure solutions, WWST has developed the Mobile MaxPure®. Mobile MaxPure® (MMP) solves power availability prob-lems by using solar energy and storing electricity in an embedded battery bank. Each MMP can desalinate up to 15.1 m³ (4,000 gallons) of water each day, rain or shine (freshwater up to 113.5 m³/day [30,000 gal-lons] is also available). As a village-sized solution, the MMP meets the needs of remote villages more effectively and economically than do most large-scale RO plants. MMP is immediate, distributed infrastructure that solves the problem of power availability and enables a range of compelling applications to be operated. In addition to water and RO, the MMP can power satellite communications, lights, tools, and appliances.
Membrana, a leading membrane and membrane device manufacturer has launched a new website, to highlight the product portfolios of its industrial business segment. Membrana GmbH houses two primary business segments: Healthcare and Industrial Filtration. Within the Industrial Fil-tration focus of Membrana there are three primary product lines which include Liqui-Cel® Membrane Degassing Con-tactors, Liqui-Flux® and mod-ules, and OEM membranes that are sold to other compa-nies manufacturing primarily sheet membrane-based
devices.The new website is segmented to clearly organize the infor-mation for each product line with sections for product in-formation, application information, technical information, documentation, support services, and company informa-tion. Additionally, the new website incorporates animated Flash segments to highlight various features inside of the membrane devices.The updated website provides more information and prod-uct documentation that may not have been available in the past. End users can background information and links to technical content including data sheets and tech-nical papers to various industries and applications. Additionally, a reference section incorporating the spectrum, a glossary and of certain membranes
Immediate Distributed Infrastructure Serving the World: Using Reverse Osmosis to Deliver Potable Water
WWST has shipped and deployed systems around the world, including areas in Iraq, Afghanistan, and Haiti. Clean water – and power – is now available for human consumption (increasing health and productivity), land reclamation, agriculture, and industry thanks to the self-contained, self-powered RO systems and water -tion provided by the MMPs. Economically , even for poverty-stricken areas, the MMP creates potable water for fractions of a penny per gallon, making it the world’s lowest cost water delivery system. Eliminating the need for external fuel or power, the MMP is a viable and sustainable solution worldwide.
Membrana Launches New Website for Industrial Filtration Businesses
for applications has been set up to help further educate the user.Liqui-Cel®, MicroModule®, MiniModule®, and SuperPhobic® Membrane Contactors are used around the world for re-moving oxygen (O2), carbon dioxide (CO2), and nitrogen (N2) from different liquids in digital printing, analytical/bio-technology, semiconductor, power, pharmaceutical, pho-tographic, food and beverage, and many other industries where gasses negatively impact processes. These devices can also be used to add gasses to liquids for ultrasonic ap-plications, and for carbonation and nitrogenation.Membrana’s Filtration Group also manufactures a portfolio of Liqui-Flux® and devices that are suited for water and beverage . These modules have been used around the world for drink-ing water treatment, wastewater polishing, pre-treatment to reverse osmosis, process water , as well as for wine and vinegar .
Leaders of remote villages in Iraq obtain clean water and power from the Mobile MaxPure®
FEATURETrenchless Technology
ARAB WATER WORLD (AWW) June 2011 / Volume XXXV Issue 6 www.awwmag.com28
Anyone even remotely familiar with the trenchless technology industry in the southern hemisphere will know the name , a company with some 75 years of experience in the pipeline industry, has since 1991
been a leading provider in Australia and New Zealand of repair, rehabilitation, and renewal services for deteriorated underground non-pressure pipelines. More recently the company has been instrumental in developing ‘home-grown’
the largest installer in Australia, if not the world.
European/Australian Joint Venture Takes AussieTechnology Global
In Europe, Düsseldorf, Germany-based Fluvius is a fast-growing and increasingly-respected company both do-mestically and internationally. Established just four years ago, the company provides an extensive range of servic-es for pipe and sewer renovation. Having, in its relatively short existence, gathered some of the industry’s most ex-perienced and knowledgeable engineers under the Flu-vius name;; the company works to ensure that customers not only obtain top-quality renovation products, but that they also from the knowledge and experience of these employees.Now these two major industry names have joined forces to bring ’s lateral connection sealing sys-tem to the broader global market.
Approved for use in Australia since 2001, the system has been utilized to complete over 40,000 lateral connec-tion repairs and seals to date. The system is designed to ef-fectively seal lateral connections subsequent to lining the main to establish a fully sealed renovated pipe network. Investigations have shown that the system provides instal-lations with a very low failure rate.The system is applicable to main pipelines from 150mm to 300mm diameter, with lateral connections of 100mm and 150mm diameter where it can provide strong and robust structural seals that are installed from inside the main pipe without the need for surface excavation. As the majority of the world’s lateral connections fall into this size range, the system can be utilized on a very high percentage of junctions.Based on a patented sock design, the process uses a proprietary resin ensuring that installations are simple and fast whilst being very effective. The sealing sock can be designed to accommodate lateral connections with incident angles to the main pipeline from 0o to 90o, cov-ering most commonly encountered circumstances.The patented sock design comprises a PVC coated glass
sheet which is shaped and stitched lengthwise according to the requirements of the lateral connection being sealed.The resin utilized for the installation of the sealing sock is a two-part silicate resin which has a long pot life (20 min-utes) whilst offering a short cure time (30 minutes) with-out the need for heating or UV curing. This allows time for operators to properly prepare the seal before installation and yet ensure high productivity with the short cure time allowing several installations per day if required. Applica-
tion of the resin to the sock also utilizes innovative technol-ogy to ensure an impregnation operation on-site.Once prepared, the seal is to a small, lightweight, low friction, -through, and low-cost installation packer that is easy to use and has no moving parts or electrical requirements. The packer design can accommodate pipe sizes from 150mm to 300mm and is available as a ‘short’ or ‘long’ lateral arm version depending on the length of installation required into the lateral connection. The integrated function means that installations can be undertaken without the need to fully seal off the main pipe .With the seal the loaded packer is pushed (or pulled, depending on access requirements) into position along the cleaned mainline pipe to the lateral to be sealed. The seal is placed into the lateral during this positioning op-eration. Once in place, the packer is with com-pressed air pushing the impregnated seal against the in-ner walls of both the mainline pipe and the lateral. Whilst cure time is just 20 minutes, to ensure that local ambient conditions are taken fully into account it is good practice to hold the packer for 30 minutes which ensures a
The seal is against the host pipe walls during the installation process and allowed to cure for 30 minutes
Trenchless Technology
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Fluvius
robust seal is achieved before the packer is and removed from the main pipe.
AdvantagesSome of the advantages claimed for the system as compared to others available on the international pipe-line renovation market include:
The system offers wrinkle-free installation – so minimiz-ing any potential for adverse characteristics dur-ing operation.The sock design offers a uniform liner thickness.The installation process ensures that the seal is uniform-ly adhered to the host pipe walls.It can be used on a wide variety of lateral junction types.Is not greatly affected by ambient temperature
The installation process ensures that, as the packer is -ed and the sock pushed against the host pipe walls, 3-di-mensional expansion of the seal into position is achieved, thereby giving the most effective possible.The system has been thoroughly tested in indepen-dent testing laboratories. Some of the important proper-ties are:
Wall thickness = 3.5 mmE-modulus of 800 MPa (116,000 psi)Yield strength of 27 MPa (3,900 psi).
Additionally, the product has been tested according to the Hamburg test where it was repeatedly exposed to a range of jetting nozzles at various pressures and rates. The results from this test demonstrated its robustness and
its suitability as a long term product for use in renewing pipelines.Commenting on the new arrangement Sebastian Schmitz, Managing Director of Fluvius said: “The new agreement underlines the commitment of both and Fluvius to increasing demands of the global pipe rehabilitation market. We are determined to provide the global con-tracting sector with the latest in high-spec materials and products that are being increasingly called for by ever-more demanding clients in this very competitive market in a cost-effective yet easy and quick to use package.”For , Geoff Weaver, Managing Director said: “In-
has built a strong reputation for delivering, to its clients, excellent products and solutions. We are excited by the opportunity to enter new markets. Together with Fluvius we believe we will have a successful partnership.”
UK-based organizers Westrade Group Ltd announced its in-ternational program for 2011/2012 which features TRENCH-LESS events in Dubai and Singapore, as well as NO-DIG LIVE in the UK.
TRENCHLESS MIDDLE EAST 2011 will be the seventh event in the series and returns to Jumeirah Beach Convention Centre, Dubai on October 10 and 11, 2011. A high level of bookings and sponsorships are already being taken up by local and international companies.
TRENCHLESS ASIA 2012 is the sixth event in this series and will be held in Singapore, in mid-March 2012ASIA was held in Singapore in 1995 and has subsequently been held in Hong Kong and Shanghai. Westrade Group, who organized the ISTT’s International No-Dig Exhibition in 2010, have selected Singapore as the next venue as a result of strong indications of support from many local and inter-national suppliers, as well as key organizations representing end users.
TRENCHLESS MIDDLE EAST 2011 and TRENCHLESS ASIA 2012 compi-
lation of the conference and training programs.
Adding to its international activities, Westrade has been ap-pointed as joint sales agents for the ISTT’s 2012 International No-Dig Exhibition to be held in Brazil. The host organization,
New Program of TRENCHLESS and NO-DIG Events
ABRATT, will be responsible for space sales in South America and Benjamin Media will cover North America. Westrade Group will represent the sales agency for all other geographi-cal regions. In support of the continuing commitment to its overseas pro-gram of events, Westrade is now offering clients and regions a full service by operating -pore, and the USA.
The 11th NO-DIG LIVE 2012 featuring live demonstrations of equipment will be held at Stoneleigh Park, near Coventry, UK, from October 2 to 4. Supported by the UKSTT, Westrade is reporting a high level of repeat bookings as a result of its successful show last year.
FEATURETrenchless Technology
ARAB WATER WORLD (AWW) June 2011 / Volume XXXV Issue 6 www.awwmag.com30
Insituform Technologies Limited (ITL) is celebrating a major milestone in the history of trenchless technology this year. It is 40 years since Eric Wood, his backers and his crew in-
® Cured-In-Place-Pipe (CIPP) liner in the Marsh Lane sewer in Hackney, London, UK, for the then Greater London Council Metropolitan Water Board. To many, this has often been hailed as the project that launched what today is known worldwide as the Trenchless Technology industry.
s own expense client, comprised placing a
70-meter-long liner into a 100-year old, 1,175mm by 675mm dimension egg-shaped sewer using liner material provided by WE Rawson and resins from Scott Bader. Testing at both 20-year and 30-year was still performing to its original design requirement, with a 40-year test about to be undertaken.Since then, the company has become a world-renowned leader in pipeline rehabilitation technology, design, manufac-ture, and installation, with its own CIPP liner production plants in the UK and North America, with a third pending in Asia.Over the past 40 years, the Insituform® CIPP technology has been developed and adapted to suit a very wide variety of pipe rehabilitation requirements with over 30,500 km of liners having been installed to date in underground pipe in-frastructure throughout the world. Insituform Technologies Inc and its associate companies currently operate or have licensees in nearly 80 countries worldwide, with pipeline operations on six continents. Insitu-form, a leading worldwide provider of proprietary technol-ogies and services for rehabilitating sewer, water, energy and mining piping systems and the corrosion protection of industrial pipelines, has long been recognized as a pioneer in trenchless technology and a company which responds to ever changing industry demands with long-term, less dis-ruptive, and affordable solutions. The company prides itself on the quality of its cured-in-place pipe and retains ISO 9000 quality systems to prove it. From product development and manufacturing to proj-ect engineering and pipeline installation, each solution and each project is managed with quality and safety in mind. All crews receive ongoing training in the best installation and safety practices and are backed by a network of engineer-ing and installation professionals. Currently Insituform offers sewer pipe lining and pipeline re-habilitation systems, such as its cured-in-place pipe (CIPP) and other products, for gravity pipes, sanitary and storm sys-tems, and wastewater structures including: Insituform® CIPP;; iPlus® Composite;; iPlus Infusion®;; and InsituMain® System. Installation and curing technology have developed over the years and Insituform’s systems now include not only the original scaffold-mounted water inversion/hot water cure option, but also air inversion/steam cure as well as inversion pressure vessels that negate the need to erect scaffold in less accessible areas.Insituform, in more recent years, has also expanded opera-
Celebrating the Birth of the Modern Trenchless Industry 40 Years On
tions into the specialist area of trenchless rehabilitation sys-tems for pressure pipes, potable drinking water pipelines, and transmission and distribution mains with systems includ-ing: InsituGuard®;; Thermopipe®;; and InsituMain® System. Also, as part of the Company’s MTC operation, clients and contractors have the opportunity to purchase both dry (un-impregnated) and wet (impregnated) tube for use on proj-ects in in the pipeline rehabilitation market and will enable non-Insituform companies to utilize M-Tube®, a high-quality CIPP tube, and as such will promote further growth in Insituform Linings Limited, the UK manufacturing facility.In a further expansion to the original CIPP products, Insitu-form also now strives to offer a diverse blend of Global Pipe-line Protection® products and services. Insituform compa-nies now include:
-orado, USA, United offers HDPE lining systems for the rehabili-tation and protection of industrial and municipal pipelines used for the transport of corrosive liquids and gases in the energy and mining sectors.
and engineering services for the prevention of corrosion, Corrpro’s headquarters are in Houston, Texas, USA.
years, Bayou has been providing coating systems and offshore technologies for oil and gas pipelines. Commenting on the anniversary for Insituform Technologies Ltd, John Beech, Business Development Manager said: “No-one can really say if Eric Wood and his partners really knew or understood what they were starting all those years ago
® liner. To look at the company now with its wide product range for both gravity and pressure pipelines and its worldwide renown and expe-
to see what great achievements have been made over the past 40 years. On top of this, the company is now manufactur-ing and selling liner tube across the world for all forms of lining requirements and soon we will be launching our latest system which will be our own glasscompatible with UV curing.”
Pressure vessel inversion with steam curing is one of the latest options for pipelining
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Rolkon Trenchless Technologies is a small company in Dur-ban, South Africa, and is to TTSA who are based in Johannesburg, South Africa. Rolkon Trenchless Tech-nologies is a rapidly growing, civil enterprise that seeks to supply a reputable service in the trenchless technology market. With well trained and dedicated teams, as well as a wide variety of specialized trenchless equipment, endeavor to provide sustainable service delivery for all trenchless requirements. Rolkon Trenchless Technologies has a skillful and competent labor resource;; with some of its key team members having many years of experience within the industry.Rolkon recently carried out a major road crossing be-neath the N3 toll route highway, opposite PPC cement, Germiston, South Africa, using the latest Horizontal Direc-tional Drilling technique.Rolkon’s previous experience with No Dig techniques has been with their ever-growing range of Grundomat soil dis-placement hammers. Due to Rolkon’s continued success they decided to expand their trenchless capabilities and purchased a Grundodrill 7X plus from the TT Group prod-uct supplier Reef Pneumatics based in Primrose, Germis-ton near Johannesburg.The Grundodrill 7X plus combined with the MA010 mix-ing system arrived in Durban early 2011, Rolkon/Reef then subsequently employed the services of TT-UK’s Horizontal Directional Drilling (HDD) specialist Jim Albarella to carry out a thorough training and technical/transfer to Rolkon’s designated drilling crew. One practice bore was carried
Grundodrill 7X Plus Bores Under a Highway in South Africa
out beneath a grass verge before attempting the N3 toll route highway project.The N3 toll route highway bore length crossing was 64 meters, a pilot bore was carried out across the highway which took 2.5 hours to complete. The ground conditions were a mixture of bolder rock and sandy clays, the bolder rock in various parts of the bore was very at times and a great deal of patience was needed to negotiate through areas of the bore. Once the pilot bore was completed a pre-reaming operation was carried out using a 155 backreamer at the same time drill rods were added to the special adapter on the backreamer. These were pulled into the pilot bore which ensured that the borehole was not lost during the pre-reaming operation.Once the pre-reaming operation had been completed the back reamer was exchanged with a Grundoream body 2, this type of back reamer has exchangeable cut-ting blades;; the size of blades used was 350mm. As the Grundoream was pulled into the bore to expand the bore diameter the 3x110mm PE pipes SDR 17 which would subsequently house electric cables were installed at the same time. This part of the back reaming operation took 4.5 hours to complete due to the challenging ground conditions of bolder rock and sandy clays. Finally, the bundle of PE pipes were installed to the satis-faction of the client Eskom.
The Grundodrill 7XP carrying out the 64-meter pilot bore;; with the safety barrier on the edge of the motorway in the background
Rolkon’s Drilling team discussing the bore plan prior to the directional drilling beneath the N3 Highway
FEATURETrenchless Technology
ARAB WATER WORLD (AWW) June 2011 / Volume XXXV Issue 6 www.awwmag.com32
After receiving the national No Dig Award by the Polish Society for Trenchless Technology (PSTT) in 2010, HOBAS can now be proud of having won the internationally re-nowned ISTT (International Society for Trenchless Technol-ogy) No-Dig Award together with the construction com-pany group PBG.Three-meter large HOBAS CC-GRP Jacking Pipes were uti-lized for the trenchless installation of an intercepting sewer leading to the wastewater plant “Czajka” in Warsaw, Po-land. This is clearly far beyond average and it was no sur-prise that the project made waves ever since ground was broken in 2009. However, the pipes’ XXL diameter and the extraordinary length of microtunneled line were not the project’s only impressive features. Thanks to the excellent properties of the pipe material, national as well as inter-national records were broken regarding also the single drive lengths from one pit up to 930 m, the peak installa-tion speed of 36 meters per day, and the small number of drives on the in total 5.7km partly curved lengths. Implemented by assignment of the MPWiK Warsaw (City Waterworks) and supported by the EU Cohesion Fund, the job is part of the largest environmental EU project “Water
HOBAS® Wins ISTT No Dig Award with “Czajka”
Supply and Sewage Treatment for Warsaw”. Microtunnel-ing 5.7km of 3,000mm in diameter HOBAS CC-GRP pipes with state-of-the-art trenchless technology led to the shortest possible installation time and kept impacts on the environment and city-life to a minimum. With the combi-nation of installation method and chosen pipe material the PBG Group executed an economically and ecologi-cally most solution providing exceptionally long service life.The project drew more than 500 international visitors in-cluding the GSTT convention to the site in Warsaw during the 13 months of installation works and last but not least convinced the ISTT jury of the technological importance this successfully implemented project presents: Within the bounds of the 29th international No-Dig trade fair in Berlin, on Wednesday May 5, 2011, and in presence of numer-ous professionals of the trenchless as well as national STT leaders, ISTT chairman Dr. Samuel Ariaratnam ceremo-nially awarded HOBAS and PBG in the premises of the castle Charlottenburg for “Czajka” – the best trenchless construction project 2010.
The HOBAS Group produces and markets GRP Pipe Sys-tems around the world for potable water, sewage, drain-age, hydropower, and industrial applications. The inter-national HOBAS Network is coordinated from Klagenfurt in Austria. To date, HOBAS Products have been installed via various methods such as open trench, jacking, above ground, sliplining, etc. in more than 50 countries. Totaling thousands of kilometers of installed pipe, the line would circle the world several times. www.hobas.com
The XXL diameter of the HOBAS CC-GRP Jacking Pipes was only one of the record breaking features in the project
HOBAS and PBG received one of the three prestigious trophies that are annually handed out by the ISTT
From left to right: ISTT Chairman Dr. Samuel Ariaratnam, GSTT Chair-man Prof. Jens Hölterhoff, HOBAS Group Managing Director Doris Strohmaier, GSTT Board Member Edmund Luksch, HOBAS Poland Managing Director Lech Skomorowski, ISTT Executive Director John Hemphill, PRG Metro Sp. Z o.o. Vice President of the Board Marek Gaertig, CRS Hydrobudowa 9 S.A. Director Piotr -land Sales Representative Jacek Lesiecki
Trenchless Technology
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As by United Utilities in Blackburn, Lancashire, through its main contractor VJ Donegan Civil Engineering Ltd, a new 24-meter-long drainage pipe needed to be installed beneath Gorse Street. The installation, known as ‘Blackburn UIDs, Gorse Street’ was to comprise a DN300 gravity sewer laid to precise line and level parameters as set out by the design engineers at United Utilities.Given the urban location and the need to ensure that the grade of the new sewer was maintained it was decided to utilize an trenchless installation technique that could facilitate the line and level control necessary to successfully complete the installation.
was awarded to Trenchless Solutions LtdYorkshire which chose to utilize a Perforator PBA85 Guided Auger Boring system to complete the installation. This system was selected from those available on the market because it offered a relatively small operational footprint, which suited well the urban location of the project, as well as having the capacity to handle the ground conditions expected to be encountered at the level of the pipe installation. The boring rig’s line and level control system also meant that the critical line and level requirements of the bore could be accurately and precisely maintained throughout the installation.
Installation Prior to the start of the installation works cable percussive bore holes were used to undertake ground investigation survey using a Dando 2000 drilling rig. This investigation
comprised soft to stiff clay.The Perforator PBA85 guided auger boring machine that was used in Blackburn was a complete system which included an HS56 power pack, pilot rods, as well as augers and casings designed to suit the parameters of the, in this case, 1-meter-long Naylor-manufactured Denlok DN300 clayware pipe chosen for the installation. Directional control of the pilot bore was achieved using a monitor, an optical system with a CCD camera and a diode target plate. The PBA85 rig utilized a three pass system to complete the new pipe installation comprising an initial pilot bore which established the accurate line and level of the bore which would be followed by the subsequent installation phases. This pilot bore was then expanded using an auger chain with a cutting at the lead end. The auger chain ran inside auger casings with excavated soil being removed from the bore to the start shaft via using the rotating augers. With
placement by jacking of the Naylor Denlok DN300 pipe into the bore whilst displacing the auger chain at the reception shaft completed the installation.
Perforator Guided Auger System Aids Flood Alleviation in Lancashire
The PBA85 guided auger boring rig offers some 850 kN of forward thrust as well as a maximum 470 kN pullback force and operate from a start shaft or pit of a minimum 2-meter diameter. The machine will install pipelines from DN150 to DN500. The unit can be extended by up to 5 meters where circumstances require and are permitted to handle the installation of longer pipe section in one operation.Work started on the 24-meter-long sewer installation on November 22, 2010 with the installation being completed
problems being encountered during the course of any phase of the work. The use of the trenchless system for the installation also meant that despite the urban setting, local residents and businesses were not inconvenienced in any way by the presence of the works.Commenting on the installation the contracts director for VJ Donegan said: “We have used Trenchless Solutions Limited on several contracts and have been pleasantly surprised by their performance, attitude
past overcome unforeseen problems and successfully completed contracts with no additional costs. We would not hesitate to employ their services on future contracts.”
Trenchless Solutions Ltd, established in February 2009, is a No-Dig contractor working throughout the UK and Ireland, and is a company with a wealth of experience. Offering expert solutions whilst working with clients from project conception through to completion;; the company offers its expertise for safe, innovative and cost-effective underground installations.
alleviation project
INDUSTRY SPOTLIGHTS Irrigation Technology
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 634
How do you determine what is the best method for controlling irrigation for green roofs and green walls? Currently, a pilot project is underway at the University of Toronto in Canada to try to establish species of plants, soil media, and
irrigation method plus quantity of delivered water required for the survival of the green roof or green wall plants. Why To-ronto? The City of Toronto mandated that commercial and government buildings must have a percentage of the roof as a living green roof. Why? To help reduce the heat island effect that building roofs have on the city during the warm summer months.
Soil Moisture Sensing for Green Roofs & Walls
Professor, Robert M. Wright, Associate Dean, Research, Daniels Faculty of Architecture, Landscape, and Design, and Assistant Professor Liat Margolis, John H Daniels Faculty of Architecture, Landscape & Design University of Toronto provide the desired outcomes for the pilot project as noted herein: “We are aiming to measure the quantity of water relative to different substrate types and planting composi-tions in order to assess water conservation, water reten-tion, water runoff, evaporative cooling, and plant growth. These are the important factors for us in terms of irrigation:
1. Compare timed irrigation vs. soil moisture sensor irriga-tion vs. no irrigation.
2. Compare irrigtion quantities per bed.
How is the irrigation monitored in terms of software and controllers? e.g.: Could we collect and compare the sen-sor data from each bed and compare to water quan-tities? FYI, we will have soil moisture sensors in the soil (Campbell ) as well as a weather station to ac-quire climate data in real time. That means that we are aiming to compare climate to irrigation relative to each bed’s composition.”
Most manufacturers have a soil moisture sensing system they have either created or have purchased from other vendors. The issue is what system will work with the soil you are testing. Will the water travel through the soil or just pass through to drainage as some of the manufactured and
“light” soils allow? In this case many of the soil moisture sensing devices will not work. Why, you might be asking. Let’s ask the experts that make the products.Tom Penning of Irrometer Co., Inc has been providing information on the Irrometer Tensiometer and the Wa-termark soil moisture sensor. These devices have been around and in use since the 1920s even though many oth-ers have their own iteration of what they deem works as per Mother Nature. The proof is always in the plant the farmers say. Each system performs a little different form the other so the task is to choose the best system to deliver the outcome you require. Sounds easy, but as the pilot project for the College Street Green Roof and Green Wall test slowly proceeded it be-came apparent that it would involve many experts. A volunteer team slowly materialized that consisted of Rich-ard Buist of Bioroof Systems, a soils expert;; Tom Penning, Irrometer Co, a soil moisture sensor manufacturing expert;;
By Lorne Haveruk*
Dr. Robert Wright, Professor of Landscape Architecture;; Liat Margolis, Assistant Professor of Landscape Architec-ture;; Lorne Haveruk, DH Water Management, Irrigation Consultant;; Richard , Campbell ET (evapo-transpiration) weather station company & data logger;; Kara Gibbons, Toro Canada, irrigation product for system creation;; Brent Sleep (Prof. Civil Engineering);; and Maxim Batourine (Daniels Faculty IT).
What did Tom Penning of Irrometer need to know to bet-ter understand what was to be achieved by this 32-plot, 3-greenwall, and 1-living wall downtown Toronto (a very busy area of the city) greenroof experiment? He asked: “Can you also give me some idea of the design, such as type and depth of the soil or media being used?”Tom continued to say: “Using Watermarks (soil moisture sensing system);; the medium will have to be soil. If an arti-
medium, such as a greenhouse non-soil growing me-dia is going to be used or experimented with, we will need to switch to a (Irrometer) tensiometer controlled system using automatic switching versions of our Irrometer Model LT. As well, if something other than a 24 VAC output con-troller is to be used, we will have to look at other equip-ment options.”“Our Watermark devices act as an inhibitor only. The con-troller initiates each event and then the sensor decides whether to allow it or not. Essentially you program the con-troller for maximum consumptive use, broken up into as many start times as possible. Then the sensor either allows or interrupts each start time, thereby limiting the irrigation delivered in segments of the run time interval, i.e. if dry at the start time then that whole run time will be delivered. This can be controlled for each valve, groups of valves or the entire controller. Will this for your project?”
Irrigation Technology
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“ ”
“Since you want to control each of the 18 valves indepen-dently our Watermark Electronic Module (WEM) by itself would , with one wired directly to each valve. You would need 18 of them wired as in the drawing.”
If you want actual soil moisture activated on and off, then we will have to use switching tensiometers and you will need a programmable logic controller to turn on with the dry switch of one instrument and turn off with the wet switch of another one. Typically, when used in conjunc-tion with an irrigation controller, these simply interrupt the common, like the Watermark devices, although they will turn off mid-cycle. Often they are used without control-lers and simply switch the circuit between a 24 VAC trans-former and the solenoid, but this does not allow much dif-ferential in moisture level, but is good at keeping things close to a value... like at capacity for drip ir-rigated vegetables.
He continued with: “If you are going to be using Campbell ( ) gear to log everything, you can just connect our sensors, either Watermarks and/or Irrometers (with op-tion E or option RSU) to the Campbell ( ).”
Richard , Sales & Technical Support / Ventes et sup-port technique, Campbell (Canada) Corp. not-ed that: “The individual sensors should be to connect to the logger, but do not know if the control system will play well with the Campbell logger since the way they make measurements of the sensor are different. It proba-bly won’t be a problem, but I think we’d need to hear that from the Watermark folks. We’d also need to be sure we had a way to run cables for those sensors to the logger, so we’d need a terminal strip or some sort of way to split the signal so it goes to the control system and the logger.”
Due to weight of soil on roof structures, engineered “light” soils are currently the norm when building a green roof landscape area. Weight needs to be managed not only for dry but also for saturated soil as the water holding ca-pabilities of soil changes best described by the soil trian-gle and what comprises a natural mineral based soil. Look at the soil triangle at the bottom where sand is located. Read this from right to left from 0 to 100%. On one end we have very little sand, 10% so we would have a lot of silt, 90% and a silty soil. Sand allows water to but does not hold water, thus the reason to amend sandy soils with silt, clay, organics, or inorganics such as foam par-ticles that can absorb and hold water. Clay on the oth-er side does not allow water to as the particles are so small and millions make up a small portion of soil.
rate is around 6.35mm per hour which for irriga-tion is manageable if care is taken in application rates of water. Typical subsurface landscape dripline like the Toro DL2000 for this pilot project have an inline emit-ter rate of 0.063 l/min. Long station run times exceed-ing 20 minutes will end up causing runoff as precipitation rate exceeds rate. Loam…40% sand, 40% silt, and 20% clay…this is our friend. Light, , high and holding capacity and gives up its water easily. Plants love loam and loam also provides nutrients so it’s a win-win for the plants and the irrigator.
ConclusionAs the pilot project progresses we hope to be able to de-termine the soil types and watering regimes certain spe-cies of successfully grown green roof plants require for establishment and longevity, providing the desired out-come cooling effect and rainwater control that is desired. Reduced energy costs for cooling and heating combined with rainwater, stormwater pollution reaching the streams and lakes is a desired outcome for many, worldwide. As we strive to clean up our planet, pilot projects like this, once completed, will provide valuable information for others that are tasked with providing proven designs for future build projects.
References: Irrometer Co, Inc;; Bioroof;; University of Toronto *Lorne Haveruk, CID, CWCM-L, CIC, CGIA, CLIA, WCP, Principal, DH Water Management, a Water Resource Management Consultancy Firm focused on innovative rainwater, groundwater, stormwater, greywater, and city water supplied indoor and outdoor watering [email protected] www.dhwatermgmt.com
INDUSTRY SPOTLIGHTS Irrigation Technology
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 636
Reinke® Manufacturing, Inc., a leading manufacturer of mechanized irrigation systems, has long been dedicat-ed to developing products with the producer in mind. Throughout the design process, the company has a focus on ease of use, timesaving attributes, and the capabilities for increasing producers’ yields. One of the latest innova-tions from Reinke is its Flexible Three-Wheel Tower Base. The Flexible Three-Wheel Tower Base, particularly designed to provide improved and traction in soils, operates using all standard drive train components. Un-like other three-wheeled towers on the market today, the
tower design keeps all three tires on the ground at all times, placing a more consistent load on the drive train even while it provides power to all three wheels. Keeping all three wheels on the ground reduces the load on each tire, improves , thereby reducing wheel ruts. “Improving the outcome of the growing season for our customers is our number one priority at Reinke,” said Tim Goldhammer, vice president of marketing, Reinke. “The Flexible Three-Wheel Tower Base’s patent-pending design is the of its kind and is intended to improve overall ir-rigation effectiveness.”The extra tower base width of the structure allows the tower
Reinke’s Flexible Three-Wheel Tower Base, a First for the Irrigation Industry
to cross trouble spots where standard towers might become stuck or high-centered. The and increased truss sta-bility combine to greatly reduce the likelihood of span roll when traversing ditches and ridges. “The unique design allows producers to have a more consis-tent, as well as productive, irrigation season,” added Gold-hammer.
With its experience in both the agricultural industry and irrigation since 1957, Alkhorayef industries Company provides the most appropriate solutions for its custom-ers’ needs, starting from designing the best irrigation set including pump, mainline and irrigation system, the pow-er set including generator or engine with its gear drive, agricultural equipment, irrigation management tools, to
till management if required. Alkhorayef Industries Co. has four plants in Saudi Arabia for irrigation systems, vertical turbine pump, galvanized pipe and electrical panels and generators. In the irriga-tion business, the company supplies two brands for its ir-rigation systems: WETERSN and Pierce to match whatever the site’s conditions and customers’ requirements. Alk-horayef’s WESTERN-Layne vertical turbine pumps serve deep well applications since 1982 with high and performance worldwide. The company’s galvanized pipes range starts from 2.5” to 8.6” to serve industrial ap-plications in addition to the requirements of irrigation sys-tems and pump plants’ requirements. The electrical plant manufactures basically the control panels needed for the irrigation systems in addition to the Gulf Power generators, soft starter and star delta panels. Alkhorayef has a strong international presence – in the Middle East & Africa, Europe, North America, South Amer-ica, Australia, and China – that allows it to provide com-
Comprehensive Irrigation Systems from Alkhorayef Industries Company
plete solutions for its customers around the globe, starting from the feasibility stage onwards, and provide unparal-leled support through every stage of the project. The company’s in both Egypt and Sudan serve those two important markets in the MENA region. Through its in Europe, founded at the end of 2004, Alkho-rayef serves its customers in Europe and South America. Aisco Europe created a regular dealer network in Spain, Portugal, France, and Italy. Alkhorayef’s high quality engineered equipment, selec-tive international strategic suppliers, after sales service, and customer care through its channels and worldwide network are its major strengths.
Irrigation Technology
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SpotShot™, a portable watering kit designed to green up dry, patchy areas or to leach salts from the soil, is now available from Underhill International. The kit is especially useful on courses that rely on reclaimed water for irriga-tion and which may have high salinity levels.SpotShot connects to a quick coupler or golf sprinkler and allows the irrigation crew to spot water up to a 6-meter radius at low precipitation rates. The kit can be expanded with add-ons to cover larger areas of turf. The SpotShot Starter Kit includes a pressure regulator that connects to a quick coupler or electric valve-in-head sprinkler (when equipped with an Underhill Hose Tap). The Kit also features a low precipitation sprinkler;; sprinkler base and connection ;; and a 6-meter length of ½-inch PVC tubing.The low precipitation rate sprinkler delivers less than .2 / inch per hour, optimal coverage for a slow soak to restore greens or to leach salts out of the soil and maintain a salin-ity level that turf can tolerate.SpotShot Kit can be expanded with additional 6-meter sections of PVC tubing, sprinklers and . Several noz-zles are available with varying precipitation rates. Spot-shot can be set to run overnight or at maintenance times when the course is not in play.
Valmont Irrigation, the leader in precision irrigation, intro-duced the Cruise Control™ feature for Valley Pro2 con-trol panels. With Cruise Control, available exclusively from Valmont Irrigation, producers can program a center pivot irrigation machine equipped with a Pro2 control panel to automatically adjust its speed, based on completing a
number of degrees in a amount of time. This feature will help producers manage chemigation and fertigation more precisely through their center pivot irriga-tion equipment.John Rasmus, Controls Product Manager for Valmont Ir-rigation, said that growers should Cruise Control very easy to use: “Producers already have a lot of individual elements to manage in the day-to-day operation of their farms, and they only have so many hours in the day,” said Rasmus. “So, we made sure Cruise Control would be sim-ple to operate.”Cruise Control will be standard in all Pro2 panels this spring 2011. Existing Pro2 control panels can be easily upgraded with the Cruise Control feature. The Valley brand has been recognized worldwide as the leader in sales, service, quality and innovation since Val-mont founded the mechanized irrigation industry in 1954. With historical sales of more than 200,000 center pivots, lin-ears, and corner machines, Valmont-built equipment an-
Underhill Introduces “SpotShot™” Turf Kit to Green Up Dry Spots or Leach Salts from Soil
Underhill offers an expanding line of water- irriga-tion products for golf courses, including solid metal
nozzles;; Sapien™ 2Wire controllers;; AuditMaster™ sprinkler performance test kits;; Pellet Pro™ and Liquid-Pro™ applicators;; TurfSpy™ stress detection glasses;; Mag-num™ and Precision™ hose-end nozzles;; and more.
Valmont Irrigation Introduces for Center Pivots
nually irrigates approximately 10 million hectares around the world. Valmont currently operates from 95 facilities lo-cated in seventeen countries around the world. The Com-pany is headquartered in Omaha, Nebraska, USA , and employs over 8,000 highly trained personnel worldwide, with approximately 1,500 located in Nebraska. Through-out its long manufacturing history, Valmont has consistent-ly sought the best ways to apply advancing technology to products and processes alike.
Cruise Control software, shown operating on this panel screen, is standard on all new Valley Irrigation Pro2 panels. Existing Pro2 pan-els can be upgraded
INDUSTRY SPOTLIGHTS Submersible Pumps
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 638
Falling water tables in the region, par-ticularly in the Arabian Peninsula, are forcing water suppliers to reach deep-er and deeper to meet the mounting demand for drinking and irrigation water. Inquiries regarding wells as deep as 1,000 meters are becoming an increasingly regular occurrence that gives pump manufacturers a chance to prove themselves.Bringing water up from such depths presents a multitude of challenges that put the heat on pumping equip-ment. Delivering is in itself an issue when overcoming the high static head. Moreover, the deep-er you go, the higher the water tem-peratures and the more aggressive the water gets. Clearly, pump materi-als and motors need to be in a class of their own.To meet these challenges, Grund-fos draws on its well-proven ranges of submersible pumps, motors and controls. The standard range of the Grundfos SP covers any duty point within 670 meters and 475 m3/h. Beyond these depths, the company’s technical and application specialists mobilize decades of experience with deep-well pump materials, hydraulics, and motors to customize a solution for
Grundfos Goes Deep – Extended High-Head, Deep Well Range in All Stainless Steel
each installation.The durable, all-stainless steel con-struction of the Grundfos SP pump has a proven track record against corro-sion and erosion giving the user low-er life cycle costs. For over 30 years, Grundfos has been electrically opti-mizing motors for the SP submersible pumps, including high voltage mo-tors. With each advance, the motor, pump and controls have become as one, working together to better safe-
guard operation and increase overall .
Grundfos is a well-consolidated, family-based company founded in 1945. As a global leader in the pump industry, Grundfos currently produces 16 million pumps annually for buildings, industrial applications, irrigation, and water utili-ties around the world. The company has become increasingly specialized in responding to exceptional needs and situations, including deep wells. Water supply solutions are customized by drawing on a leading R&D capa-bility in pump materials, hydraulics, motors and controls, a wide range of components and the application ex-perience of people in the . The Grundfos Group is a private company and the main shareholder is the Poul Due Jensen Foundation. The purpose of the Foundation is to develop and further expand the Group - based on a healthy foundation - mainly be reinvesting the Group’s own capi-tal from the pump companies. As a re-sult, the Group will remain an indepen-dent company in accordance with the wishes of its founder. A high level is a means to the Group’s contin-ued existence and development - not a goal in itself.
Submersible Pumps
www.awwmag.com 39
Cardo Flow Solutions is launching a high pressure dewatering pump in the existing range of ABS drainage and sludge pumps J/JC/JS 84. The new ABS J84SD with its extraordinary lifting capability makes the perfect single solution for high-demanding applications normally requiring a 2-step pumping setup.
On-site Convenience and Safe Start-UpThe low weight of the ABS J84SD pump (67 kilograms) and its compact aluminum design makes transporta-tion and installation extra convenient.
On-site the pump is easily maneu-vered, and the motor protection makes the easy plug-in start extra reli-able. This pump requires minimum ef-fort to get a fast relief of excess water.
Cost- Lifting CapacityThe ABS J84SD has a total lifting height of over 80 meters, which means that there is no need for setting up mul-tiple stations in order to get the water out of the pit. One level pump installation will do the lifting job in one stage saving you time, money, and effort.
Cardo Flow Solutions Introduces ABS J84SDDurable for a Long Working LifeThe ABS J84SD is a durable machine equipped with a white cast iron im-peller and diffusers in polyurethane. The excellent non-wearing capability results in a pump with a long life cycle and a sustained performance curve which easily translates into low ratio on investment per operating hour.
Trouble-Free OperationEquipped with a vortex impeller and diffusers that are specially designed for high pressure pumping, this pump will run reliable also in tough and long operating conditions. All hydraulic components are with a distance, which eliminates the need for adjustments after certain opera-tion hours. The ABS J84SD ensures re-liable operation and maintained ef-
Modular DesignThe new ABS drainage pump J 84 SD are available in 11 kW (15 Hp) 60Hz. The drainage pump series includes models ranging from 1.1 kW (1.5 Hp) to 70 kW (94 Hp). All ABS dewatering pumps are easy to service and main-tain due to their modular design.
ABS is a world-leading brand with a long tradition in wastewater technol-ogy and dewatering, representing more than 100 years of application experience. The result is customer-oriented and reliable solutions using the latest energy saving technology. ABS products and services are sold via subsidiaries in 30 countries and more than 100 distributors worldwide. The company’s legal name is Cardo Flow Solutions.
For over 50 years Vaughan Chopper pumps have offered “Guaranteed” performance in the toughest slurry pumping applications by increasing reliability and decreasing downtime. With the increasing number of -able consumer products creating se-rious clogging problems in lift station pumps and with decreased funding and reduced staff available to deal with clogged pumps, the Vaughan Chopper Pump has become the proven and preferred economi-cal solution for sewage and sludge pumping. Vaughan Company Inc. has focused on creating Chopper pumps with that are equal to or better than the most -cient non–clog pumps on the market.
Vaughan Recirculator Chopper Pumps
Vaughan Chopper Pumps routinely replace plugged non-clog pumps us-ing the same size motor.Vaughan Submersible Recirculator Chopper Pumps also offer a method of reducing and conditioning solids in pits where large non-clog pumps are installed that cannot handle the large amounts of rags and consumer products in today’s mod-ern sewage. Instead of requiring the owner to replace these large, expen-sive, troublesome, non-clog lift station pumps, Vaughan submersible recir-culator chopper pumps have proven useful for preconditioning and break-ing up solids in the pit so that these more vulnerable pumps can be made more reliable.
INDUSTRY SPOTLIGHTS Submersible Pumps
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 640
Always convinced that the most im-portant challenge facing us is to at-tain progress that can every-one, people at Rovatti Pompe put re-search and development to the fore each and every day, focusing their minds on technical innovations and environmental problems.Combining this with the vast techno-logical experience, severe operating tests, and continuous investment, en-sures that Rovatti remains in the fore-front of pump technology.Among the latest and most -cant achievements resulting from this corporate commitment, the compa-ny highlights the enlargement of both AISI 316 casted stainless steel bore-hole pumps Extreme series and the evergreen cast iron pumps E series.The Extreme series currently consists of the 8” radial encapsulated ERCX range (with head up to 690 meters and capacity up to 85 m3/h), and the 8”, 10”, and 12” mixed- EX range with capacity up to 660 m3/h and
Rovatti Pompe: Still at the Forefront of Submersible Pump Technology
head up to 485 meters.All these electric borehole pumps have been engineered and designed for and reliable pumping of corrosive and aggressive in a wide range of industrial, municipal, and residential applications.In fact, while the seamless construc-tion and the thickness of all AISI 316 stainless steel hydraulic components ensure the highest resistance to wear and corrosion, the microcasting con-struction process the design of all surfaces in contact with the pumped liquid improving hydraulic
.So, the main question is: Why limit all these outstanding features to 12”?The new 14” mixed- 14EX range can now meet requirements up to 910 m3/h, head up to 180 meters, and motor power up to 300 kW.Last, but not least, the consolidated Rovatti cast iron E series has been en-larged welcoming three innovative and extremely product lines
of 8” and 10”: The new 8E-110, 8E-140, and 10E-300.All Rovatti 8E-110, 8E-140, and 10E-300 borehole electric pumps offer
at the top of the market besides advanced technical solu-tions ensuring long life and maximum reliability.
The world’s most E4XP elec-tric pumps for well installation were launched a few years ago, and now Caprari has further optimized the proj-ect. Besides the already achieved performance and goals, which are at the top of this segment, the company has now set itself new targets in an on-going endeavor to meet customers’ requirements, thus: Make the electric pumps even easier to install, ensure the tightness of the non-return valve even in the most extreme conditions, further length-en the life of the machines through careful selection of the materials used, all to pump water for human consumption.The E4XP energy series is the high -ciency solution with all the character-istics and advantages of the previous E4XP series:
-CHECK, the patented disas-sembly system
Caprari Upgrades Its E4XP Submersible Electric Pumps Series
®, the patented system for passivating stainless steels
extremely full rangeplus:
conforming to stan-dard ISO 9906 grade 2 along the en-tire curve
best hydraulic rates available on the market
-return valve of a new design to increase and reliability
bushings and technop-olymer with additional reinforcing to guarantee a longer lasting
Extreme applications with a high per-centage of sand induced Caprari to project dedicated solutions: Products specially designed to con-vey liquids containing up to 300 g/m3 of solids are the result.So it comes up with the new E4XP des-ert, a version that features some of the qualities and advantages of the
E4XP energy series;; EASY-CHECK and DEFENDER® along with SAND-OUT, the patent pending system that en-sures the motor starting surge in every condition and allows a considerable amount of sand to be conveyed.All these machines (E4XP energy and E4XP desert) have TIFQ (Ministerial Decree D.M. N. 174) and ACS -cations for use with drinking water.
Submersible Pumps
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Australian Pump announced a new heavy duty submers-ible pump is now available with a powerful agitator for pumping thick slurry. The product is made by Japan’s leading submersible pump manufacturer Tsurumi, and is aimed at the concrete mixing and batch plant market.
The pumps are designed to agitate and mix concrete and also aid in the reclamation of materials from unused concrete at batch plants. The KRS slurry pump series offer capacities of up to 3,250 liters per minute , and heads as high as 22 meters. The complete series includes dis-charge bores from 80mm, all the way through to 150mm.
The KRS series are with 3-phase, heavy duty 4-pole high motors with thermal and amperage pro-tection against dry running or overloading.
“The pump has been designed with a top discharge so it suits concrete or slurry mixing,” said Aussie Pumps’ Craig Bridgement. “The liquid passing through the pump also cools the motor, making the pump even suitable for use in applications with low water levels.”
Tsurumi Pump developed the product range in response to requirements in US and Japanese markets for super tough pumps for the mining and constructions markets. Features include a newly developed double mechanical seal with both top and bottom silicon carbide seal faces running in an oil chamber for extended life.
The mechanical seal also features a unique “Oil Lifter” developed to enhance seal performance. The unique design of the mechanical seal enables the “Lifter” to oil the top seal faces, even if the lubricant level drops below manufacturer’s recommendations. The lubrication cools the seal faces, providing longer life, and reducing wear.
The Tsurumi KRS pump range features a high capacity semi open style impeller to enable a combination of and pressure, even in the toughest conditions. The impel-ler is made from high chrome cast iron for wear resistance, and the suction cover, designed for a long, trouble-free life, is made from ductile cast iron. The shaft seal is a dou-ble design, silicon carbide, whilst the pump shaft is 420 grade stainless steel.
Standard equipment includes a heavy duty 8-meter cable to Tsurumi’s unique anti-wicking block. The anti-wicking block prevents the ingress of water into the motor even if the cable is damaged or worn. It is a feature that makes Tsurumi pumps stand out from others in the market.
“The heavy duty KRS series is expected to be of real in-terest to the cement batch plants, particularly for con-crete waste re-cycling,” said Bridgement. “Water can be
New Slurry Pump in the Mix
removed from sand and gravel pits, leaving the material ready for re-use,” he said.
The Tsurumi KRS series submersible slurry pumps are designed with key features that extend performance and operational life
INDUSTRY SPOTLIGHTS Pipes, Valves & Fittings
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 642
In the 1970s one building was constructed, now a Grade II listed building, comprising a three-story structure. The building was designed to complement the surroundings and as such was built with a series of soil vent and rainwa-ter down pipes, all made of copper piping, located within the of the structure. Over the years since its completion the building has been subject to the usual vagaries of weather and in recent years these downpipes have shown signs of deterioration. In some instances the pipework was found to be leaking causing water damage within the building.The location of these downpipes within the building struc-ture have, of course, been almost impossible to access to both inspect and to affect suitable repairs without caus-ing excessive damage to the building itself. Therefore the owners have been urgently seeking a solution that offered not only a remote repair option to ensure that current de-terioration did not cause any more damage but also one that would mitigate any potential for future deterioration and damage.A full inspection of the problem revealed that the building had some 21 vertical soil vent and rain water downpipes that needed to be renovated to achieve the project aims of repairing current damage and preventing future problems.After a comprehensive investigation of the options avail-able it was decided that the only practical solution that would not require damage to the building structure was a lining solution. The work was ultimately awarded to Dyno-Rod in Norwich.
The university city of Cambridge is famous around the world not only for the caliber of its educational institutions but also for the classic nature of its architecture. However not all the buildings in the city are as old or as classical as the University.
Brawoliner High-Tech Lining Solves Vertical DownpipeDilemma in Cambridge Centre of Learning
The original plan was to line the 21 individual downpipes using an ambient cure lining technique from the roof ac-cess, lining down to ground level, with each liner being cured overnight for at least 12 hours.However, further inspection of the site prior to the com-mencement of the works showed that access from the roof could prove problematical. It was therefore decided to undertake the installations from within the building it-self using access points in the toilet and bathroom areas across the building’s 3rd , again using the top-down lining technique. This did however mean that working space for the crew to manipulate, wet-out, and install the liners, each of average 20-meter length, would be at an absolute minimum and that the use of the 12-hour cure option might therefore in itself cause its own problems of access whilst curing of the liners took place. Brawoliner OptionAfter comprehensive discussions with its suppliers, Dyno-Rod Norwich decided to opt for the Brawoliner system using a steam curing technique. This system is offered in the UK and Ireland by Peterborough-based CJ Kelly As-sociates as the distributor for the liner manufacturer KOB of Germany. The Brawoliner offered several options that would overcome the problems expected to be encoun-tered on-site.Whilst Brawoliner offers different cure options, including ambient cure and steam as well as the more commonly encountered hot water cure option, in this instance the steam option was favored. By using the steam cure option Dyno-Rod was able to reduce the cure time for individual liners from the original 12 hours overnight to just 2 hours.
KOB’s SteamBox steam generator was used to affect a quick cure on the Cambridge project
The complete DocuBox monitoring system
Pipes, Valves & Fittings
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Cambridge
Brawoliner Dyno-RodKOB CJ Kelly Associates
It was also decided that the use of a hot water cure tech-nique could not be utilized because of the likely stresses that would be applied at the base of the liner during in-stallation, caused by the 12-meter head of water (up to 1.2 bar at the liner base) that would be needed during the lining process. In addition, at the same time this meant that at the top of the liner there would be almost no pres-sure to hold the liner tight against the host pipe wall.By using the steam cure technique, all of the installations could be completed far more quickly, ultimately giving a higher quality product than was possible in this circum-stance with an ambient cure installation. In order to quan-tify the quality control of the work, the Brawoliner instal-lations used KOB’s steam box installation system in tan-dem with the Brawoliner DocuBox, the latter being a unit designed to monitor the installation and curing process throughout the lining operation. The DocuBox information is, once the lining is completed, available to the client as proof of the success of the installation.Being that this was the time that Dyno-Rod Norwich would be using the steam cure technique in this way, KOB provided two training days for the Dyno-Rod staff to en-sure correct utilization of the lining process and to ensure the highest quality results. Lining ProcedureWorking from the top (3rd ) of the building all down-pipes were surveyed with CCTV equipment and low pres-sure jetted to ensure they were clean and free of debris.Once cleaned and ready to line, the required resin for each particular installation was mixed and the Brawoliner was impregnated (wet out) on-site. The impregnated liner was then placed inside a calibration hose (this provides for a process known as a double self-inversion installation). The steam cure option means that no scaffold structure or similar is required to invert the liner into the host pipe. On the Cambridge site, a compressed air driven inversion drum was utilized for the inversion process.The liner/calibration hose combination, once ready, was then loaded in to the inversion drum which was then con-nected to the top of the downpipe that was being lined.Compressed air was then applied to invert the liner/cali-bration hose quickly into the host pipe. Once inversion was completed over the whole length of the host pipe, air pressure was held at 0.5 bar to create a close lining against the inner wall of the host copper pipe.Steam generated by the KOB Steam Box was then com-bined into the compressed air and passed into the lin-er. Whilst the air/steam mix was only required to be around 70oC to affect the correct cure conditions, the calibration hose had to be constructed of a heat resistant material so as to ensure no heat damage to the Brawoliner itself. The compressed air/steam combination was then held at around 70oC and 0.5 bar for 2 hours to cure liner. As men-
tioned previously, monitoring using the DocuBox ensured the correct conditions were maintained throughout the cure process to maintain the best quality liner. This tech-nique was utilized for all 21 lining operations.Overall, the project was completed very successfully to the satisfaction of both the contractor, for which this was its use of the technique, and the client which achieved all of its aims in undertaking the work.The steam option also meant that the work was com-pleted in about one-sixth of the time that it would have taken had ambient cure techniques been used for the lining works.Commenting on project for Dyno Rod Norwich, Mark Prendergast, Technical Manager, said: “We were very pleased with the outcome of the Cambridge works, par-ticularly given that this was the time we had used this technique in the vertical plane. The it gave us in terms of accessing localities and the speed of the installation means that we can see potential for using this type of method again elsewhere in our business. The facil-ity to monitor the lining process and to provide detailed cure process information to the client of the cure process has also added a new dimension to our product support and quality assurance. The support and guidance we were given by both KOB’s Brawoliner team and CJ Kelly in coming up with this innovative solution has been invalu-able in completing this project successfully.”For CJ Kelly Associates, John Kelly, Managing Director said: “The Brawoliner is a very versatile lining solution that gives wrinkle-free solutions in numerous lining situations. The steam cure option with the DocuBox monitoring in circumstances like this makes Brawoliner installation much more accountable for both the contractor and the client. The Brawoliner in the lining market continues to grow and we are very pleased to be able to offer the
of these sorts of experiences to our clients across the UK and Ireland.”
The KOB DocuBox monitors and provides detailed information of the cure process
INDUSTRY SPOTLIGHTS Pipes, Valves & Fittings
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 644
In July 2010, monsoon rains caused the worst seen in parts of Pakistan for more than 80 years, cov-ering one- of the total land area and displacing over ten million peo-ple. When the water subsided many faced scenes of devastation espe-cially in the mountainous regions of Northern Pakistan where the -ter had destroyed roads and bridges and their water supply systems. Borouge asked Pakistan NGO HEED to develop a proposal to replace the water supply systems in a number of the villages of the Neelum Valley in Northern Pakistan. Designs were drawn up and costed for the villages of Mattoo, Kandol, Matteiyan, and Daba, working in consultation with Water Committees established in each village. New water sources high above the villages were used to re-place the ones washed away in the
and these fed water down the mountain side to the villages using small diameter PE100 pipes. Individu-al connections were made to each house rather than standpipes which would serve a cluster of houses, be-cause during winter, heavy snowfall often prevented people leaving the house to collect water.Borouge agreed to the proj-
Ameron Saudi Arabian Ltd. CO. (ASAL) has been successfully award-ed the contract to supply Fiberglass Coated Concrete Pressure Pipes (FCPP) to the Tathleth Water Trans-mission line Phase 2 in Saudi Arabia. Despite the strong competition that ASAL was facing from other type of pipes, the sales efforts and the sup-port of the Western Province Market-ing Department were success-ful and Ameron will now supply 59,200 meters of FCPP pipes in 1,000mm diameter with a working pressure of 25 bar for Phase 2 only which will be followed by other Phases. The well-
Borouge Partners HEED to Provide Water Supply Systems to 3,000 People in the Mountains of Pakistan
ect under its “Water for the World” program and also provided their BorSafe™ PE100 raw material, whilst local pipe manufacturer Sun Interna-tional agreed to produce the pipes. Agreements were drawn up with Vil-lage Water Committees committing them to support the construction phase and to develop a mechanism to ensure an ongoing water supply to each of the communities.
Ameron Saudi Arabian Ltd. CO. (ASAL) Awarded Transmission Line in East Tathleth
proven quality, combined with good cost- , convinced the customer to select Ameron pipes. ASAL was founded in 1978 as a joint venture between Amiantit and Am-eron International of the USA. The company’s three production plants, located in Dammam and Jubail in Saudi Arabia, have a total capac-ity to produce over 1,000 kilome-ters a year of high quality concrete cylinder pipes, reinforced and pre-stressed concrete cylinder pipes, and reinforced concrete and jack-ing pipes in diameters ranging from 300mm to 4,000mm.
Many logistics problems arose be-cause many of the roads and bridges had been destroyed so man power had to be used to reach the site – an-other very good reason to use coiled BorSafe™ PE100 pipes which were relatively easy to carry. Despite all these problems by mid-April all the work was complete and clean drink-ing water was “on tap” for all the communities.
The only way to transport many of the coils of pipe to the site was often on foot
Pipes, Valves & Fittings
www.awwmag.com 45
McElroy, the pipe fusion experts, re-cently introduced the MegaMc®
PolyHorse™. The device is a pipe-handling system designed to boost productivity on 20-inch to 48-inch IPS (500mm to 1,200mm) diameter poly-ethylene pipe jobsites.The MegaMc PolyHorse consists of a series of pipe racks and powered pipe stands that hold enough pipe lengths for a day’s worth of work. With the pipe stored in a single loca-tion and ready for use, the MegaMc PolyHorse allows heavy machinery to work other places on-site. A single operator can maneuver pipe onto the pipe stands and into the pipe fusion machine with the use of a re-mote control.“Five years ago, we introduced the PolyHorse for use on smaller diameter jobsites,” said Chip McElroy, presi-dent and chief executive of McElroy. “After the success of the PolyHorse, it became obvious that contractors wanted the same -ciency boosts and to reduce the risk of injury on larger diameter jobs.”After setting up the MegaMc Poly-Horse, lengths of pipe are loaded onto the pipe racks that are purpose-fully designed with an incline, which lets gravity feed the pipes to the dis-penser. The dispenser, when activat-ed by remote control, gently drops a single length of pipe into a tracked pipe stand and roller pipe stand at the end of the racks. The user then engages the tracked pipe stand and
McElroy Introduces the MegaMc® PolyHorse™
roller pipe stand to move the pipe up to 24 inches laterally and 34 inches vertically. The powered tracks of the tracked pipe stand feed the pipe into the fusion machine.Instead of dedicating a piece of heavy equipment to hold a length of pipe in place for fusion operations, the MegaMc PolyHorse does all of the work. Most jobsites would use a piece of heavy machinery to hoist a length of pipe from a single contact point. This poses risks to the operators and to the fusion equipment from the uncontrolled movement of the pipe.The MegaMc PolyHorse has a maxi-mum capacity of 31,751 kilograms, with a maximum pipe length weight of 4,763 kilograms. The new device can be paired with any of McElroy’s
MegaMc® line of fusion machines, as well as the TracStar® 500, 630, and 900 fusion machines. The MegaMc Poly-Horse is available for order starting June 1, 2011 through McElroy’s inter-national network of distributors.Founded in 1954, McElroy Manufac-turing has grown from a two-person start-up in an Oklahoma garage, to the industry leader in the science of joining thermoplas tic pipe. The name McElroy is recognized world-wide as the most reliable, , rugged, and technically advanced fusion equipment in the world. McEl-roy holds dozens of U.S. and foreign patents on fusion-related equipment. The company credits its marketplace leadership to an unyielding focus to-ward excellence.
INDUSTRY SPOTLIGHTS Pipes, Valves & Fittings
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 646
Advanced Pipes and Cast Company W.L.L. (APACC), an industrial compa-ny headquartered in Abu Dhabi, UAE, is one of the leading manufacturers of high qualityPlastic (GRP) and Reinforced Con-crete (RC) pipes for the construction industry. APACC’s main activity areas include the manufacture and supply of GRP and RC pipe systems and oth-er associated services to government projects, infrastructure contractors, and construction industry at large.APACC operates two state-of-the-art manufacturing plants producing GRP/GRV/GRE RC pipes & pre-cast elements, thus offering a wide array of pipes for the construction industry. GRP pipe is a composite product
reinforcement impregnated with ther-mosetting polyester or vinyl ester resin. It is manufactured by using either a continuous winding process or cross helical winding process.APACC’s philosophy is to supply
APACC: Shaping Tomorrow Todayrequired margin of safety that will perform satisfactorily under severe corrosive environments for a period of operation extending to more than 60 years. During 2009/2010, APACC success-fully bid for the supply of materials to the Doha North Sewerage Treatment Plant & Associated Works in Qatar. The client, Ashghal Public Works Au-thority, consulted APACC during the early stage of the project and, after
-tions were concluded with the main contractor, Ultra Construction & Engi-neering Company, from South Korea, for the supply of GRP-RC composite jacking pipes and pre-cast man-holes. The GRP pipe with reinforced concrete pipe encasement was spe-cially designed for the micro tunnel-ing portion of the pipeline.APACC offers advanced technology and assured quality, providing out-standing products for civil infrastruc-ture projects. Piping products are used in storm water and drainage networks, water supply and irrigation
systems, oil and gas sectors, airports, road works, telecommunications net-works, marine structures, and desali-nation plants. Deliveries of sound, du-rable products, which meet the high-est standards in the world, contribute to the improvement of the quality of life in the UAE and the GCC Region.
The IMVS High and Low Pressure are one of a kind and represent the best solution for testing each piston type actuator. It is an innovative valve monitoring and testing device for op-erating high pressure up to 345 bar (5,000 psi) and low pressure up to 10.3 bar (150 psi). Extremely user-friendly, no setting is necessary through a completely integrated compact system. Designed, built, and extensively tested for a best in class improvement on plants reliabil-ity, to minimize maintenance and op-erational costs.This is the great result of BIFFI’s consol-idated experience and of the most recent technologies. The IMVS2000®
unit is an electro-mechanical device to provide operational, safety, and diagnostic functions through a single or double acting actuator mounted on a valve driven by external single
IMVS HP-LP: Innovative Technology for Valve System Control and Monitoring
or redundant solenoid valve. All the diagnostic functions of the IMVS2000®
unit, that can be used to establish a predictive maintenance program, like partial stroke test and continuous monitoring of valve actuator pres-sure and position, are allowed with valve on line and service without any prejudice of the process. Automated partial stroke tests (PST) allow extend-ing the full closure test intervals on the plant, by maintaining the required SIL level, reducing to a minimum the interruption of the process Valve position signal, functioning pressure signals and other optional external signals are monitored and processed by a microprocessor-based logic mounted inside the device.
BIFFI ITALIA has been a leading manu-facturer of valve actuators for more than 50 years. BIFFI began their op-
erations in 1955 in the town of Fio-renzuola d’Arda, located in Italy’s northern industrial area. The factory moved to its present location in 1969, with a substantial expansion of the facility in 1978. A further expansion in 1996 provided the factory with new automated painting facilities, weld-ing, and shipping department. A new building was added in 2007 and ded-icated to a new piston-type actuator assembly line.
Quality performance testing of GRP pipe
Pipes, Valves & Fittings
www.awwmag.com 47
DSM has introduced its latest compos-ite resin – Atlac® 5200 FC - developed
for use in composite appli-cations that have contact with food and water. launched at the JEC show in Paris last March, this new vinyl ester resin is unique in that it is fully compliant with the European regula-tions on food contact and made in line with commonly accepted Good Manufacturing Practices for the Food Industry. The resin is therefore suitable for use in a variety of composite ap-plications such as tanks and pipes that are intended for contact with food and potable water.Typical end use applications include potable water transport networks, water treatment installations, de-salination plants, and in-plant piping and storage vessels in food process-ing industries. Atlac® 5200 FC resins can be converted in standard man-ufacturing processes including -ment winding, infusion and hand lay-up. The process-ability is as robust as with conventional vinyl ester resins for making pipes, vessels, or tanks. With the growing global population the demand for safe food and drink-ing water will increase over the coming decades. More than 20% of the world will be affected by water scarcity in the next 20 years and the supply of clean water as well as the safe management of waste-water will become more and more crucial. Furthermore, health, safety, and environmental regulations as well as legislative measures are likely to become more stringent, with the immediate result that the demand for high quality and safe-to-use storage tanks and piping is set to grow.Through its excellent anti-corrosion and heat resistance properties Atlac® 5200 FC resin enables the manufac-ture of composite components that are long-lasting, even in hostile en-vironments. For plant operators this means continued process operation, reduction of maintenance, and con-sequently low cost of ownership. In addition the use of composite ma-
DSM Introduces Atlac® 5200 - New Food-Contact and Drinking Water Compliant Resin
terials will allow for optimizing design and for integration of individual parts.Pipes, vessels, and storage tanks oper-ating in direct contact with food stuff or drinking water require compliance with European Food and Drinking Water industrial standards and regulations. This assures custom-ers, operators, and end-users that the raw materials used in the resin com-position have been assessed by the European Food Safety Authority and the European Council for effects on human health and approved for use in food contact articles. Atlac® 5200 FC is fully compliant with the governing EU regulations related to materials intended to come into contact with food (EU regulation No 1935/2004) regarding materials that are included on the “positive list” of authorized materials as stipulated by the European Food Contact Directive 2002/72/EC, and is manufactured with commonly accepted Good Manufacturing Practices (GMP) for the intended use in accordance with EU regulation No 2023/2006 (GMP).According to DSM it is one of the in-dustry’s resins to be produced in accordance with GMP for products intended to come into contact with Food. GMP is an internationally ac-cepted quality control system used in the nutritional, food, and pharma-ceutical industries that sets standards and guidelines for the safe produc-tion, testing, and use of a product.Moreover, Atlac® 5200 FC resin has already obtained initial approvals at institutes such as the UK BS6920/WRAS and the French ACS, with many more approvals in the pipeline.
“We believe we are taking the lead in setting higher standards of qual-ity, assurance and transparency in the industry to ensure that com-posite parts are really safe to use in contact with foodstuff and drink-ing water,” says Wilfrid Gambade, Business Director Composite Resins & Global Markets, DSM Composite Resins. “With our new Atlac® 5200 FC resin, DSM now offers one of the resins to be produced in accordance with the commonly accepted Good Manufacturing Practices for the food Industry, and in doing so, offers a pro-active and sustainable solution to its customers and end-users. Atlac® 5200 FC perfectly our mission as a life sciences and materials sciences company to develop innovative so-lutions that genuinely contribute to society’s needs.”Components based on Atlac® 5200 FC resins outperform components made from steel in terms of corrosion resistance and chemical resistance, increasing component lifetime, and thus reduced cost of ownership. As all the ingredients used in the manufacture of Atlac® 5200 FC resin are to be compliant with the EU’s food contact materials “positive list”, the approval process for DSM’s direct customers is . Obtain-ing approval for the compo-nents which are manufactured from Atlac® 5200 FC resin is easier, quicker, and can be achieved with reduced testing, simplifying the approvals pro-cess and lowering costs. DSM also provides customers with advice and guidance on how to implement GMP in component manufacturing.
INDUSTRY SPOTLIGHTS Hydrological & Geophysical Instruments
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 648
Water demand commonly throughout the day, and in response to weather conditions, by as much as 30% and this can place consider-able pressure on slow sand , so it is important that they are managed carefully.Slow sand are commonly em-ployed in the of surface water. They employ a biological in addition to the physical pro-vided by the sand itself and as such require careful management in order to ensure that the biological layer, known as Schmutzdecke, is main-tained in optimal condition. Failure to do so can result in the presence of bacteria and algae in the produced water.If a is found to produce water of unacceptable quality, there can be serious repercussions. Firstly, the will be taken out of commission for at least 8 weeks. Secondly, this may result in by the Drinking Water Inspectorate and thirdly, a drop in drinking water production may mean that it becomes impossible to sup-ply 100% of the distribution network, which in turn will result in compensa-tion payments and the costs associ-ated with the provision of an alterna-tive supply.Problems associated with slow sand
usually relate to rates – low can result in reduced levels of
dissolved oxygen that would affect the Schmutzdecke and high rates can result in excessive turbidity. The target is to establish a rate that is equivalent to a drop in water level in the of at least 2 inches (5cm) per hour.Conscious of the need to be able to measure continuously, en-gineers at the treatment plant re-viewed the measurement op-tions and were dismayed to discover
YSI SonTekYSI Hydrodata Nick Martin Argonaut-
The costs that can result from unacceptable drinking water quality are potentially huge, so engineers at a major UK wa-ter treatment works have installed a pair of Doppler flow meters at the outlets to two slow sand filters and
report a major improvement in purification control which has substantially reduced operational risk.
Flow Monitors Protect Slow-Sand Filters
that their options were extremely limited.
The ProblemFirstly, the feed channel from the had a square cross-section, secondly the water supply pipe contained a natural venturi and (as if that wasn’t enough!) the pipe was only 2 me-ters long, so the 10 pipe diameters in length required by most traditional
meters was certainly not avail-able. It would therefore be necessary to excavate and construct a suitable
path before a traditional meter could be installed. The cost of such work was estimated to be US$44,000 per and the engineers were not comfortable undertaking such work in close proximity to the potable water supply.
The Solution Nick Martin, from Letchworth-based YSI Hydrodata, recommended the installation of a small Doppler meter, the Argonaut-SW. As a result, two Argonauts were installed within the outlets of the two slow sand .No capital works were necessary for the installation. The meters were simply attached to blocks made of the same material as the channel in which they were located. A profes-sional diver was employed to reach down and place the meters in the pipes, but other than this no further costs were incurred.The Argonauts scan and store data continuously;; however, 2-minute av-erage data is transferred to the wa-ter company’s SCADA system (via a 4-20mA output) which in turn controls the rate through the . This has ensured over 2 years of trouble free operation for the sand .Following the initial installation, a ‘drop test’ was conducted in which a
known volume of water was passed through the beds and compared with the Argonaut, which demonstrated accuracy of better than 99.9%.
How It WorksThe Argonaut-SW has three acoustic beams. One of these beams points straight up, and the other two point up/down stream at a 45-degree an-gle. The upward-looking beam mea-sures water level. The two slanted beams measure the water velocity in two dimensions via the acoustic Dop-pler method and can measure both forward and reverse .Summarizing the of Dop-pler measurement, even in very clean water, Nick Martin says: “If this water company had chosen to install traditional meters an extra capi-tal cost of over £54,000 (US$88,000) would have been incurred and the
would have been out of action for at least a week. Instead, we were able to install the Argonauts in less than an hour with minimal cost and no interruption to supply. With mini-mal outlay, the water company was able to avoid the substantial costs that would have been incurred if water quality had suffered as a result of a problem with the sand .” www.ysihydrodata.comwww.sonTek.com
Argonaut with bottomplate
Hydrological & Geophysical Instruments
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Emerson Process Management an-nounced the new Daniel™ 3812 Liq-uid Ultrasonic Flow Meter. Designed for reliable measurement, minimal maintenance, and ease of operation, this meter is ideal for many applica-tions in the petrochemical, oil, water and wastewater industries. Innovative electronics combined with advanced digital signal processing make the Daniel 3812 Ultrasonic Flow Meter less sensitive to changes in the
, solids or entrained air, which results in accurate, stable, and reliable measurement. This meter can be used to measure liquid products with a high accuracy of ±0.3% and repeatability of ± 0.1% due to sophis-ticated algorithms and the -tion of its measuring ultrasonic paths. The 3812 utilizes two mid-radius, par-allel-plane measurement paths to reduce the of distur-bances and offers all the advantages of transit time and inline ultrasonic meters. Ultrasonic measurement is independent of conductivity, tem-perature, density, and pressure.Within the meter body are four non-wetted, intrinsically safe transduc-ers that allow the meter to maintain high accuracy over widely varying
conditions. These transducers are replaceable without the need
The new 9100 UV-Vis Spectropho-tometer from leading water analysis company Palintest Ltd. offers accu-rate, full-power spectroscopic analysis for the lab environment. This addition perfectly complements the compa-ny’s existing and extensive range of photometric and sensor based testing instruments.Capable of stand-alone or PC-con-trolled operation using the dedi-cated Palintest Spectrophotometer Software, the instrument performs full spectral analysis across the 190 -1,100 nm wavelength range, as well as kinetic measurements and both quantitative and photometric analysis
Emerson Expands Ultrasonic Meter Family to Provide High-Accuracy Liquid Measurement for Non-Custody Transfer Applications
to empty or depressurize the meter, reducing maintenance costs and in-creasing uptime. The unobstructed ultrasonic tube with smooth sur-face inhibits material build-up. This combined with no internal moving parts to wear or drift provides for low pressure drop, increased energy sav-ings, and many years of maintenance free service.This full bore ultrasonic meter is easy to install and operate. Additional arrange-ments such as , strainers, sup-ports, grounding or isolation against vi-brations are not necessary. The results are minimal maintenance and substan-tial savings in cost of ownership. “Emerson has pioneered ultrasonic
metering for over 25 years,” said Peter Syrnyk, vice president of engi-neering at Emerson Process Manage-ment, Daniel. “Today, we continue to develop and perfect a wide range of ultrasonic meters for liquid and gas measurement. The introduction of the 3812 Liquid Ultrasonic Meter ad-dresses customer needs for not only improved accuracy and repeatabil-ity, but also the requirement for cost-
metering.” An integrated, predictive diagnostics package provides an intuitive view of meter health and status, allows op-erators access to real-time process
conditions and address maintenance alarms before they lead to failure. Ad-vanced diagnostics continuously per-form measurement reliability checks and calibrate the time measurement. The meter’s Ethernet compatibility en-ables multiple users to remotely moni-tor and verify process information. The Smart Wireless THUM adapter allows wireless access to meter diag-nostics without the need for any ad-ditional wiring.Daniel liquid and gas ultrasonic meters are part of Emerson’s broad range of intelligent, digital devices that power the PlantWeb® digital plant ar-chitecture.
Palintest Launches 9100 UV-Vis Spectrophotometer in its Water Analysis Range
modes for sample assays. Operation is intuitive and simple with the instru-ment supplied as a complete kit with all accessories required for ‘out of the box’ operation.Seamlessly compatible with Palintest’s comprehensive range of reagent sys-tems and accessories, the Palintest 9100 UV-Vis Spectrophotometer is ideal for water and environmental laboratories, educational institutions and industrial users who require high quality analytical performance at an affordable price.Palintest is a world-leading manufac-turer of water testing and environ-mental products for water quality,
drinking water, and swimming pool testing. The company leads the way in technology for the domestic, industrial and commercial water and soil man-agement markets as well. Palintest supplies a wide range of photometer and comparator instruments, test kits and reagent systems for the detection of many elements.
INDUSTRY SPOTLIGHTS Hydrological & Geophysical Instruments
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 650
The new standard version of Baumer’s LBFS level switch is made from AISI 304 or 316 stainless steel and comes with a PEEK sensor tip. In addition to this, Baumer now provides the LBFS with special G½ process connections for reverse assembly. These options broaden the of possible ap-plications of the LBFS. Based on the novel frequency-sweep technology, the level switch is suitable for measuring the levels of viscous or dry substances as well as liquids with a repeatability and hysteresis of ± 1 mm and a typical re-sponse time of 0.2 seconds. As the LBFS is unaffected by
, turbulence, bubbles, foam, and suspended solids, it is particularly suitable for level detection in processes gener-ating those.The new G½ connection for the LBFS allows for two types of reverse assembly. The makes it possible to mount the level switch from the inside of a tank using the included gasket and a G½ nut. Fields of application include low level and leakage detection in tanks for oil or cooling used in pneumatic systems or high-speed cutting (HSC) machines.The second reverse assembly option enables the LBFS to be mounted in a simple G½ thread inside a tube to extend the length of the sensor. A gasket and an M12 plug or 5-meter cable are included with the measuring device.
New Reverse Assembly Option for LBFS Frequency-Sweep Level Switch
GE announced on May 18, 2011 it has introduced a porta-ble SieversTM 5310 C Total Organic Carbon (TOC) Analyzer as the company expands its technologies to help munici-pal water system operators more closely monitor and pro-tect drinking water supplies.The Sievers 5310 C Portable TOC Analyzer is the to be
designed for the municipal water market. The technology enables in- , continuous monitoring of raw and water TOC levels for optimization of plant processes such as coagulant addition, drinking water monitoring for disinfection byproducts control and distribution security monitoring.The portable instrument is the third in a series of GE’s Sievers 5310 C TOC Analyzers, joining separate laboratory and on-line models that also were developed by GE’s water and process technologies/analytics instruments division in Boul-der, Colorado, USA.TOC monitoring is required by the Environmental Protection Agency as part of the “Stage 1 Disinfectants/Disinfection Byproducts (DBP) Rule” since DBPs form from the interac-tion of TOC and a disinfectant in water. DBPs in water have been shown to cause cancer over many years of exposure.The new unit has the to run online in a municipal plant or with an autosampler in a laboratory. It was de-signed for municipal water plants, engineering companies, universities and research facilities. The Sievers 5310 C Portable TOC Analyzer offers excellent accuracy and precision;; automated features to improve productiv-ity;; the portability to measure TOC anywhere in a facility;;
GE Introduces First Portable Total Organic Carbon Water Quality Analyzer for Municipal Drinking Water Systems
ease of operation and maintenance and a lower cost of ownership since it does not require the use of external re-agents or gas supplies.Offering superior accuracy and precision across a dynam-ic operating range (between four parts per billion and 50 parts per million TOC), GE’s portable analyzer uses accu-rate, reliable Sievers membrane conductometric technol-ogy for measuring TOC.
With the tube functioning as an adjustable extension rod, the LBFS can be adjusted to changing levels. This makes it possible to use the LBFS as a -type level switch in ap-plications such as automatic dosing systems as well as for phase separation in the petroleum industry, hydraulic sys-tems, and water/wastewater treatment.
Hydrological & Geophysical Instruments
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HACH LANGE, the specialist water instrumentation and wastewater treatment optimization company, has re-ceived an order from the 4Delivery (4D) consortium for drinking water turbidity monitoring packages.Drinking water is monitored continuously to ensure that it meets high quality standards and turbidity is one of the most important test parameters. Capable of continuously measuring low level turbidity, the 1720e online turbidim-eter meets and exceeds USEPA Method 180.1 for drinking water compliance. Clive Murren, a water industry special-ist at HACH LANGE says: “The 1720e instruments are prob-ably the most popular online turbidity meters in the world because they provide extremely accurate, reliable, and low maintenance results, even at very low levels of mea-surement.”Once installed, the new systems, built and designed by HACH LANGE and Linton Electrical, will provide both sin-gle and triple validated measurements, further protect-ing water quality for hundreds of thousands of consumers across Sussex, Kent, Hampshire, and the Isle of Wight in the UK.The 4D consortium comprises Veolia Water, Costain, and MWH. Combining a wealth of experience and knowledge from within the utility and construction sectors, 4D was es-tablished to design and construct both water and waste-water improvement projects for Southern Water.
HM Digital, the manufacturer of the TDS-3, the best-selling handheld TDS tester in the world, announces the release of three new products for 2011, including the PH-80, an economically priced handheld digital pH Meter that does not skimp on quality, the COM-80 with its sister TDS/EC meter, and the SB-1000, a high range digital salt meter with a spoon type measuring cup. The PH-80 and COM-80 both have streamlined, water resistant designs, with large LCD displays. They are both extremely easy to use, with digital calibration, yet have advanced accuracy and are incredibly reliable. They are ideal for testing in all types of water applications, including drinking water, water treat-ment, water conditioning, hydroponics, pools, and more. Both meters also include on-screen temperature display (Celsius/Fahrenheit), low battery indicator and more! Also available is HM Digital’s pH buffer packs, which come in a convenient, low-cost, low-weight powdered form, as well as HM Digital’s TDS/EC calibration solution.HM Digital’s new SB-1000 is modeled off of its best-selling COM-100. The SB-1000 can measure up to 100 ppt in NaCl, is 100% waterproof (IP-67 rated) and includes a handy spoon-type measuring cup for ease-of-use in many ap-plications.
Established in 1987, HM Digital, Inc. is an original equip-ment manufacturer (OEM) that has been recognized
HACH LANGE Wins Massive Instrumentation Order
Commenting on the for this contract, 4D’s Chris Hodgson said: “It is Southern Water’s intention to establish the most robust monitoring system possible to further protect drinking water supplies, so the 1720e instru-ments will ensure that Southern Water customers' drinking water is among the best in Europe and fully meets the re-quirements of the Water Quality Regulations.“Much of this order represents the replacement of single monitors with triple validation systems. In total, more than 400 instruments will be deployed with up to ten units per treatment plant.”
New Metering Products from HM Digital
worldwide for providing the best values in water testing instrumentation, especially the increasingly popular TDS meter. With its reputation for providing high quality prod-ucts, and the best warranty and lead-times in the industry, HM Digital has become one of the leading water testing instrument manufacturers in the world. All products are designed jointly in the company’s American and Korean
, and the company ships to locations around the world from its and warehouse in the USA.
INDUSTRY SPOTLIGHTS Hydrological & Geophysical Instruments
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 652
Geokon, Incorporated of Lebanon, NH, USA, The World Leader in Vibrat-ing Wire Technology™, is now offer-ing a down-hole water level datalog-ger suited for a variety of water level applications including: Wastewater treatment facilities, well and water level monitoring, irrigation canals, lake and wetlands, and Groundwa-ter monitoring.Constructed entirely from 316 stain-less steel for superior corrosion resis-tance, the Level 1000 and Level 2000 are battery powered down-hole wa-ter level and temperature recorders. The Level 1000 is a sealed all-in-one submersible pressure transducer with built-in datalogger, which is designed to be hung in the well using a stain-less steel suspension cable. The Level 2000 is a vented version, which em-ploys a vented cable to the atmo-sphere via a moisture trap located at the well head.Each model incorporates a highly
In Saudi Arabia, drinking water is primarily sourced from desalination plants, which remain expensive. Wa-ter conservation is a vital element of
efforts in this region and Elster’s technology is helping water providers in cities such as Riyadh, Jeddah, Khafji, Ras Tannura, Jubail, and Damman to achieve their ob-jectives. The past few years have seen -cant growth in the adoption of AMI, including Smart water meters with two-way, remote communications which captures basic meter readings, and manages additional enhanced data features. These advanced fea-tures provide valuable real-time infor-mation to the water utilities, allowing them to identify leakages and bursts, understand consumption and enable multiple tariffs. This data sup-ports water conservation efforts and are vital to help manage demand and ensure water supplies can remain
New Down-Hole Water Level Datalogger from Geokonaccurate semi-conductor pressure transducer, for water level measure-ments, and an internal temperature sensor for temperature measure-ments. User-friendly software allows -ration of the datalogger scan interval (from every two seconds, for rapid changes in water level, up to one reading every twelve hours), start and stop times, data retrieval and for the display of level measurements in feet, inches, meters, centimeters, mil-limeters, or psi. Both models can be started and stopped directly from the computer and data retrieval is quick and easy via any available COM or USB port. Each has the ability to record and store up to 16,383 readings in non-volatile memory, providing maximum data security even if the battery be-comes discharged. Battery life is ap-proximately one year. The Windows®-based software pack-
age streamlines data collection, dis-play and analysis, and a variety of powerful tools allows one to examine, export, and print professional looking data at the click of a mouse.
The M200 Multi-Jet Hybrid Meter Helps Water Providers inSaudi Arabia to Achieve Their Water Conservation Objectives
secure. Typical water losses in the re-gion have fallen by around 9-10% ac-cording to the DMA pilot project in Riyadh City where DMZ / UFW studies show that water losses were previous-ly about 18-19% according to Eng. Khalid Al Hussain - Senior Manager for Privatization Contracts Management at NWC (National Water Company) as a direct result of this innovative metering strategy.Elster is one of the world’s largest electricity, gas and water measure-ment and control providers. The com-pany’s offerings include distribution monitoring and control, advanced smart metering, demand response, networking and software solutions, and numerous related communica-tions and services – key components for enabling consumer choice, oper-ational , and conservation. Elster’s products and solutions are widely used by utilities in the tradition-al and emerging Smart Grid markets.
Elster has one of the most extensive installed revenue measurement bas-es in the world, with more than 200 million metering devices deployed over the course of the last 10 years. It sells its products and services in more than 130 countries.
UAE
www.awwmag.com 53
Renewable Energy Firm Sets Up in Dubai and Reaches Out to Lucrative Global Markets
Dubai’s growing as a global hub for business and investment has received a major boost with RUBENIUS, an alternative energy and smart grid enabler, choosing the Emirate to establish its global operations and ex-pand into promising worldwide markets.RUBENIUS decided to locate in Dubai – a strategic loca-tion between Europe and Asia – with excellent connec-tivity, business-friendly environment and easy access to global project , critical to the company’s ongo-ing initiatives and growth.The Foreign Investment (Dubai FDI), the invest-ment promotion arm of the Department of Economic Development (DED) in Dubai, assisted and guided RUBENIUS throughout the setting up process.Commenting on the pioneering energy- initia-tives and growth vision of RUBENIUS, His Excellency Fahd Al Gergawi, CEO of Dubai FDI, said this initiative is inline with UAE vision to become a global leader in the alterna-tive energy sector. The Company has made a strategic choice by reaching out to its key markets from Dubai, rat-ed by the global investor community as the best access point into the region. “Energy- and clean technologies are fast moving up priority lists worldwide. Dubai and the UAE are leading the region in embracing and advocating smart energy choices. RUBENIUS choosing Dubai as the ideal platform to develop and export its capabilities means Dubai is ac-quiring new competencies and the capacity to bring stra-tegic investments to other countries, while being a pre-ferred investment destination,” said Al Gergawi. “A strong appetite for growth, nurtured and promoted by an enabling government, unrivalled infrastructure, com-petitive trade practices and innovative public-private partnerships, is reinforcing Dubai’s reputation as a hub of business and gateway to the fast-emerging markets in the world. FDI Dubai focuses on optimizing this environment for the of Dubai and those who choose to invest in the Emirate. Companies like RUBENIUS can add fur-ther positive dimensions to this promising environment by bringing research and development opportu-nities in state-of-the-art and transformational technology to Dubai,” said Al Gergawi.Global management consultancy A.T. Kearney listed Dubai as the 11th preferred FDI destination globally and the number one in the Middle East in its FDI Index for 2010. FDI Dubai is working on diverse fronts, in-cluding policy reforms to link with entrepreneurs and in-vestors worldwide and showcase opportunities in Dubai.“Dubai’s business friendly environment and incentives, such as full exemption from income and corporate taxes, high-tech facilities and infrastructure, as well as a dynam-ic real estate sector offering family-oriented convenienc-es were also major factors that our decision,”
said Claus Rubenius, Chairman of RUBENIUS.“RUBENIUS set up in the UAE and the move to Dubai has already paid off well. The Company expects its location will be one of the strategic factors for its success. With the alternative and renewable energy movement gain-ing momentum in the country, it is possible that, after oil, green energy and clean water become the next big ex-ports of the UAE to the world. RUBENIUS is pleased to be part of this prospect,” Rubenius said.Enjoying a successful track record in smart grid products, including street lighting controls and smart meter installa-tions, RUBENIUS has been operating in the UAE for more than years. The Company has pioneered the applica-tion of urban grid-scale energy storage system in the UAE. Energy storage contributes to the of renewable energy by eliminating conventional back-up systems and defers investment in transmission and substation capacity.Operating out of its Dubai headquarters will enable RUBENIUS to increase and easily reach out to strategic markets, while funding its ongoing growth through sophisticated global project options available across various platforms in Dubai.RUBENIUS’ next step is to set up a US$4 billion, 1 GW energy storage system, called Energy Warehouse Number 1, in Mexico and follow it up with similar systems in Brazil, Russia, China, India, South Africa, and several other emerging economies around the globe.“RUBENIUS establishing their headquarters in Dubai is an outstanding success for our joint efforts with Dubai FDI to promote bilateral trade and investment. We are -dent RUBENIUS and its growth plans will continue to create strong grounds for increased engagement between the UAE and Mexico as we move forward,” commented Jose Neif Jury Fabre, Middle East business & Economic Affairs Minister at ProMexico, the trade and investment promo-tion agency of the government of Mexico.
From right to left:Jose Neif Jury Fabre, Middle East business & Economic Affairs Min-ister at ProMexico, His Excellency Fahad Al Gergawi, CEO of Dubai FDI, Claus Rubenius, Chairman of RUBENIUS and Khalid Al Boom, Executive Director, Investment Support and Promotions, Dubai FDI
UAE
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 654
COUNTRY / REGIONAL REPORTS
Energy Recovery Inc, a leader in the design and development of energy recovery devices for reverse osmo-
Emirates Water Technology Co LLC Selling and Hiring HSE Philosophy of On-Site Containerized Seawater Reverse Osmosis Desalination Plant InstallationThese plants offer positive health, safety, security, and environmental impact versus commercial :
A. Reduction of heavy trucks (Tankers transporting water).B. Improving the (Tankers with low speed).C. Reduction of Administrative works to department (Permits, , etc.).D. Reduction of accidents made by tankers.
Human mistake (Driver).Mechanical breakdown (tires, engine, , etc.).Logistic mishap (hydraulic prob-lems inside the tanker Reservoir – tilting / danger on ).
E. Reduction of accidents caused by tankers.
Water leakage from tankers – road slipping surfaces.Oil leakage from tankers – road slipping surfaces.
F. Reduction of pollution caused by:Emission of burned diesel engine exhaust.Emission of defected diesel en-gine exhaust (oil mixed with wa-ter and diesel).
G. Reduction of road maintenance (asphalt repair, road marking, road accessories, cleaning of imported sand with tires;; maintain the storm-water installations).H. Reduction of potable water wast-age.
Loading of tanker at -tion.
-struction sites.Wasting water during transport.
I. Reduce the water consumption from M/s Municipal Water.The water consumed by the con-struction site is divided into:
Laborers working at site (domes-tic and drinking water).Construction activities.
All kind of MEP testing.
J. Reduce the hygienic and hazard-ous accidents caused by using water not in conformity with water quality international standard because of:
The transported water is in con-tact with steel material (the tankers reservoir), transferring heavy metals to the water in contact with unknown steel sur-
face (not protected with spe-cial lamination for potable wa-ter), bacteria, virus, algae.The control on the quality of water source transported to the end-user.The water temperature/humid-ity factor versus water hygienic conditions at delivery to the end-user.
K. The availability of water demand which improves the QA/QC proce-dures at site construction.L. The controlled water quality de-livered to the end-user (fresh water, chlorinated, disinfected). M. The Reverse Osmosis installation procedure, housed in multi-number of readymade containers, depend-ing on the unit capacity, easy to in-stall and dismantle.
Energy Recovery Inc Establishes Warehouse in Dubai for Regional Distribution of Spare Parts
sis desalination, has recently estab-lished a warehouse in Dubai, United Arab Emirates to support the delivery of desalination energy recovery de-vice and pump product components to countries such as the United Arab Emirates, Saudi Arabia, Oman, Egypt, India, and South Africa. ERI currently provides pressure exchanger and turbocharger device technology for the total production of over 1 million m3/day of fresh water in the Middle East, India, and South Africa. By es-tablishing a warehouse in one of the
key desalination hubs in the region, ERI hopes to reduce delivery time of spare parts, minimize shipping and operational costs, and provide better support for current customers. The warehouse has been operational since the beginning of 2011 and cur-rently houses critical replacement components for the PX™ Pressure Exchanger™ and ERI™ TurboCharg-er™ energy recovery devices, the ERI AquaBold™ and ERI AquaSpire™ high pressure pumps, and other products.
Yemen
www.awwmag.com 55
Royal Philips Electronics announced on April 28, 2011 the winners of the Philips Livable Cities Award, a global initia-tive designed to generate innovative, meaningful, and achievable ideas to improve the health and well-being of city-dwellers across the world. The overall winner of the Award, announced at a gala ceremony held at the world famous Rijksmuseum in Am-sterdam, the Netherlands, was named as Sabrina Faber based in Sana’a, Yemen, for her idea ‘Rainwater Aggre-gation in Sana’a’.Sabrina’s idea was praised by the supervisory panel for its unique approach to modifying existing structures in Sana’a to capture, , and store rooftop rainwater. Through her scheme, Sabrina hopes to help solve the wa-ter shortages commonly experienced in the city during dry spells, whilst providing clean drinking water. This could potentially result in health for the whole population. Sabrina will receive a €75,000 (US$106,820) grant from Phil-ips to enable her to realize her vision.Richard Florida, Professor, Author, and Chair of the Phil-ips Livable Cities Award supervisory panel, commented: “What really impressed us with Sabrina’s scheme was the proposed execution of a relatively simple concept that will have such a impact on the lives of so many people across the city of Sana’a. We’re looking forward to seeing her idea come to life and improving the health and well-being of the residents of Sana’a.” Two additional winners will each receive €25,000 (US$35,600) for their practical, implementable ideas. Manuel Rapoport, from Buenos Aires, Argentina was rec-ognized for his ‘Plaza Movil Street Park’ idea. This would see Buenos Aires’ streets temporarily closed to dur-ing weekends and public holidays and portable play-ground equipment and benches used to convert them into recreational spaces for people of all ages.James Kityo of Kampala, Uganda, will use his grant to develop his Shade Stands project. Waiting for transport under hot sun, or in torrential rain with no shelter is a situa-tion that the people of Kampala know only too well. The Shade Stands will provide vital protection in particular for nursing mothers and babies, and the elderly.Other come from Argentina, Kenya, Nigeria, the UK, and the USA, representing a truly global picture of the solutions offered to city-dwellers across the world.All eight and their ideas for providing unique and original solutions were showcased and celebrated at the Award ceremony in Amsterdam. The event was attended by leading experts, dignitaries, and government from the Benelux region.“We recognize the tremendous effort invested by both the winners of the Philips Livable Cities Award and the other -
Innovative Idea of Rainwater Aggregation in Yemen Is Granted the Philips Livable Cities Award
nalists in developing their submissions. Philips is proud to be associated with the imagination and vision they have all displayed and offer our congratulations and thanks in the 2010-2011 Award’s year,” said Katy Hartley, Director of the Philips Center for Health & Well-being and member of the Philips Livable Cities Award supervisory panel.”For 2011-2012 Philips is committed to building on the pro-gram’s strengths to further recognize meaningful innova-tions which make a real difference to people’s lives. The winners will work with Philips and program mentors to help realize their ideas in their local communities. The Philips Livable Cities Award is a global initiative de-signed to encourage people to develop practical, achievable ideas for improving the health and well-being of people in cities – ideas which can be translated into reality. The Award was open to individuals, community groups, NGOs and businesses. More than 450 ideas from 29 countries were entered into the competition. Entries are grouped into three categories, exploring how best to improve health and well-being in our cities: Well-being Outdoors;; Independent Living;; and Healthy Lifestyle at Work and Home.Royal Philips Electronics of the Netherlands is a health and well-being company, focused on improving people’s lives through timely innovations. As a world lead-er in healthcare, lifestyle, and lighting, Philips integrates technologies and design into people-centric solutions, based on fundamental customer insights and the brand promise of “sense and simplicity”. Headquartered in the Netherlands, Philips employs about 117,000 employees with sales and services in more than 100 countries world-wide, and with sales of US$31.7 billion in 2010.
Sabrina Faber receiving her award
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Monitoring & Control Infrastructure “At Gainesville, they are running two wastewater treatment plants;; the Kanapaha Water Reclamation Fa-cility and the Main Street Wastewa-ter Treatment Plant,” says Wadden. “There are also 167 lift stations, each with a remote telemetry unit (RTU) tied to the central SCADA system via VHF radios.” Together, these facilities process approximately 75.7 million li-ters of wastewater a day. Monitoring and control of the system is handled by four servers running VTScada HMI software. For the last ten years, the Gaines-ville SCADA system has been log-ging data 24 hours a day from over
I/O points. VTScada software in-cludes an integrated historian for log-ging and analyzing historical data. “One of the problems with the old his-torian was that once it had collected three or four years’ worth of , the response time started to slow down for operators who needed to get his-torical data from the system. Since the operators are typically more in-terested in information about the last couple of days, it was decided to archive off older data. This became a problem for the engineering group who needed older data to analyze long-term trends. They are trying to decide when to put in bigger pumps, when to add new water lines, how the system behaves in the summer ver-sus the winter, that sort of thing. They want to have ten years of data! They decided that archiving the historical data every three years would be a reasonable compromise for both the operators and the engineers. So that was what they did until we released the feature list for version
Gainesville Regional Utilities (GRU) is the 5th largest municipal utility in Florida, USA and serves over 100,000 people. In monitoring & control infrastructure into a single SCADA system based on VTScada
HMI software from . By 2011, the system had grown considerably to include many new features and remote sites. Over time, one of the challenges became how to manage the historical data being logged 24/7 from over 6,700 data points so that it could be easily accessed by both operators and engineers. At the same time, Trihedral had created ver-sion 10 of VTScada which included a new historian that issues in large data-rich applications. In this article, Trihedral President and VTScada Chief Architect, Glenn Wadden, describes the new design and how it is helping the utility meet its disparate needs.
Many SCADA Historians Make Light WorkHow a new approach to managing historical data is helping
a Florida utility prepare for the futureBy Christopher Little*
The New Design When the team at Gainesville read the list of new features, they saw an opportunity for a better solution. VTScada includes a new histo-rian that allows developers to con-
multiple redundant historical databases that can sync across a wide area network. In addition to the default database format included with the product, the historian also supports simultaneous logging to MySQL™, SQL Server™, SQLite, and Oracle™. The VTScada historian at the Kanap-aha plant logs data to the default VTScada database format. This is the primary historical database for op-erator workstations. “The advantage of the default database format is that it’s free and very fast,” says Wad-den. “It doesn’t require the system to touch every in the database each time you access data;; there-fore, performance does not degrade as you add more and more data in the future. It’s also more reliable than SQL Server across a wide area net-work and is much more capable of handling high volumes of data.” The historian at the Main Street plant logs the same data to an existing SQL Server database located at a third lo-cation. “As it turns out, the utility had already set up an SQL Server data-base on a machine across town that was being used for non-SCADA ac-tivities,” says Wadden. “They thought it would be great to make that the backup so the engineers could use it without bothering operations. All we had to do was to provide VTScada with the network path to this server and then grant VTScada permission to write to it.”
“During normal operations, each plant logs to its own historical data-base. If the Kanapaha server goes of-
, VTScada workstations failover to the historian at the Main Street plant. When it is restored, the missing data are automatically from the backup SQL Server.” The reverse hap-pens if the Main Street or backup SQL servers become unavailable. “It is all perfectly seamless. As far as perfor-mance goes, each server is logging exactly the same data on average of about 35 tags per second. This is well within the tested capacity of 5,000 tags per second.”
ODBC Server The updated system also allows the town’s engineers to make ODBC connections directly to VTScada’s historical database from computers that do not have VTScada installed. “An operator would typically use
VTScada’s Historical Data Viewer (HDV) to see the data plotted on a timeline,” says Wadden. “Although engineers might do that too, what they really want is to work with the raw data from the database. The problem is that this can be a moun-tain of information. They would have to manually sift through it or write software to programmatically sift through it to get the summary statis-tics they are looking for, such as the number of pump starts per month or the average for a week. They can retrieve data from the VTScada system from any reporting or analysis software tool that supports an ODBC interface. VTScada looks like a relational database to that soft-ware. The connection is redundant so that it will return data seamlessly even if one of the historian servers is . The ODBC server creates virtual ta-bles which simplify the process of re-turning summary information. “They can write a query that says, ‘give me the hourly table’, even though there is no such table. VTScada pretends that there is, returns the hourly min/max, the average number of starts or whatever you asked for. This helps them quickly get to the core of what they are looking for, so they can fo-cus on other things that are much more high-level.”
Management& Version Control Version also introduces new con-
management tools that greatly simplify the process of updat-ing and backing up an application’s
settings. “This also gives them a history of all the changes that anybody has made to any computer in the system.” In the event of a prob-lem, operators can quickly roll back to the last known good version of the application. Then, they can use the audit log to quickly track down where the problem originated. This feature has already started sav-ing the utility debugging time. “I just got a call from GRU,” says Wadden.
“They had made a change to their system. They added a bar level in-dicator to one of their displays and then deployed it at 3 o’clock in the afternoon. When they went to an-other workstation a little while later they couldn’t see it and they assumed the change had failed to deploy. So I looked at the application’s audit log and, sure enough, the change had deployed to every machine at 3 o’clock. I could tell in just a few sec-onds that the deployment was not the issue. What appears to have hap-pened is that the communication had failed between the time they added the new element and the time they checked it on the other computer. The new indicator could not be seen because it had no value. That took
minutes to diagnose rather than chasing down what went wrong with the deployment. When you are bring-ing a new lift station online with a new radio and lots of new I/O points, this audit log can be pretty handy.”
Conclusion The staff at GRU are enthusiastic about having all of their historical data available in an SQL database so that the diverse needs of opera-tions and engineering can both be met without compromise. “Their eyes lit up when they saw the -ration management,” says Wadden. “They immediately saw the in terms of convenience, reliability, and accountability. As typical customers who do infrequently, they can now proceed with greater
since they know that they can always roll back to any pre-vious revision at any time.”Image reproduced with permission from Gainesville Regional Utilities.
*Chris Little - Sales & Marketing,[email protected] published on Water Online www.wateronline.com
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GE Supplying Water Recycling Technology to First US Power Plant to be Built with Stricter Federal, StateEmissions LimitsGE announced on April 5, 2011 its zero liquid discharge (ZLD) wastewater recycling technology will be installed at the Russell City Energy Center (RCEC), a new 600-mega-watt (MW) natural gas and steam combined-cycle power plant being built in Alameda County, California, USA.RCEC is the power plant in the country to be built un-der a voluntary agreement with the U.S. Environmental Protection Agency to meet stricter limits on greenhouse gases and other emissions. The plant is expected to enter commercial service in 2013 and supply energy to the San Francisco Bay region.
As part of the plant’s arsenal of technologies to improve overall energy and reduce the plant’s environ-mental footprint, GE is supplying lead contractor Bechtel with its ZLD system for on-site wastewater treatment and recycling.
“GE’s ZLD system is an example of how technology can play a vital role in helping utilities and governments re-duce the impacts of energy production on the world’s vital fresh water supplies,” said Heiner Markhoff, president and CEO—water and process technologies for GE Power & Water.
Power plants are major industrial consumers of water to support their operations— for power plant cool-ing, steam production, and other production processes. But with the United States and international communities seeking to preserve the world’s dwindling supplies of fresh water, the public and the private sectors have begun col-laborating more closely to increase the deployment of industrial water recycling technologies.
“GE’s ZLD technology was selected for the RCEC project after project leaders visited a reference power plant in Or-lando, Florida, and observed the effectiveness of that facil-ity’s ZLD system,” Markhoff noted.GE‘s 400 gallons-per-minute (1,514 liters-per-minute) brine concentrator and mixed-salt crystallizer will utilize a skid-mounted design to help Bechtel reduce construction costs. GE’s ZLD equipment is scheduled to be delivered be-tween the fourth quarter of 2011 and quarter of 2012.Powered by cleaner burning natural gas, combined-cycle plants like the Russell City Energy Center are more than older fossil fuel generating stations still in operation. RCEC’s combined-cycle power system will capture the exhaust heat from gas turbines to produce additional electricity.Calpine, one of California’s largest power providers, cur-rently operates 38 power plants in the state, which com-bined are capable of generating more than 5,700 MW.
This is equivalent to almost 10% of the state’s peak power demand and is enough electricity to power more than 5 million households.
The RCEC project is jointly owned by of Calpine Corporation and GE Energy Financial Services.
GE is an advanced technology, services and company taking on the world’s toughest challenges. Ded-icated to innovation in energy, health, transportation and infrastructure, GE operates in more than 100 countries and employs about 300,000 people worldwide. GE serves the energy sector by developing and deploying technology that helps make use of natural resources. With more than 90,000 global employees and 2010 revenues of US$38 billion, GE Energy is one of the world’s leading suppliers of power generation and energy delivery tech-nologies. The businesses that comprise GE Energy—GE Power & Water, GE Energy Services and GE Oil & Gas—work together to provide integrated product and service solutions in all areas of the energy industry including coal, oil, natural gas and nuclear energy;; renewable resources such as water, wind, solar, and biogas;; and other alterna-tive fuels.
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The two largest water associations in North America com-bined forces last April for the time to push for smart ap-proaches to water infrastructure and regulation through more than 400 meetings on Capitol Hill, Washing-ton, D.C. The American Water Works Association (AWWA) and the Water Environment Federation (WEF) brought more than 170 delegates from water, wastewater, and stormwater utilities in 49 states and Puerto Rico for the tenth Water Matters! Fly In.“Assuring reliable and safe water resources and infrastruc-ture must be a top national priority,” said AWWA President Joseph Mantua. “Our water and wastewater systems are critical to the protection of public health and safety, our economy, and the quality of life we enjoy.”“Together, WEF and AWWA represent a strong, united voice for water,” said WEF President Jeanette Brown. “More than ever, our members recognize that the water sector is not easily as ‘water’ or ‘wastewater.’ Our conversations this week will remind elected leaders the role that water infrastructure plays in assuring clean water and the economic vitality of our communities.”Water professionals asked Congress for its support on sev-eral key issues during the Fly In, including:Improved Water Infrastructure Finance Tools
Support the creation of a new water infrastructure -nance mechanism to provide low-cost capital to wa-ter utilities needing to invest in infrastructure, as well as to State Revolving Funds.Support reform and capitalization of state revolving loan fund programs for drinking water and wastewa-ter.Remove water projects from the state volume cap on Private Activity Bonds.
Renew the Federal Partnership in Meeting Clean and Drinking Water Challenges
Renew the federal commitment to help states and localities meet their obligations to provide clean and safe water to their communities and the public by funding and strengthening Clean Water and Drinking Water State Revolving Fund programs.Fund Public Water System Supervision grants, State Clean Water Act program grants, and the Clean Wa-ter Act Section 319 (nonpoint source) program.Fund the USGS National Water Quality Assessment Program to provide adequate monitoring data on which to make management decisions.
Chemical Facility SecuritySupport chemical security legislation that applies to water and wastewater utilities only if it:
o Assures local authorities make decisions on the best chemicals for water treatment, excluding or-ders to use “inherently safer technology.”o Applies to drinking water and wastewater sys-
Leading Water Associations Join Forces to Bring Key Issues to Congress
tems only if they have chemicals of concern above threshold quantities.
o Provides adequate protection of sensitive infor-mation.
Improving Clean Water RequirementsIf the 112th Congress considers changes to the Clean Wa-ter Act or the Safe Drinking Water Act, it should provide communities with both and affordability. Con-gress should consider rational, even-handed approaches to revising Clean Water Act or SDWA requirements that both improve program delivery and or state/local -ity while advancing environmental and public health pro-tections. Changes should incorporate sustainability and support a watershed approach to protecting and restor-ing water quality.Support Processes When Setting Drinking Water StandardsCongress should support the methodical ap-proaches already contained in the Safe Drinking Water Act for determining which substances to regulate in drink-ing water. AWWA and WEF encourage legislators to with-hold support for bills that make legislative determinations on what should be decisions.
AWWA is the authoritative resource for knowledge, infor-mation, and advocacy to improve the quality and supply of water in North America and beyond. AWWA is the larg-est organization of water professionals in the world. AWWA advances public health, safety and welfare by uniting the efforts of the full spectrum of the entire water community. Through our collective strength we become better stew-ards of water for the greatest good of the people and the environment.Formed in 1928, the Water Environment Federation® (WEF®) is a not-for- technical and educational orga-nization with 36,000 individual members and 75 Member Associations representing water quality profes-sionals around the world. WEF and its Member Associa-tions proudly work to achieve its mission of preserving and enhancing the global water environment.
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GE Acquires Technology Assets of CSense SystemsGE Intelligent Platforms announced on April 11, 2011 the acquisition of technology assets from CSense Sys-tems (Pty) Ltd. of Pretoria, South Af-rica. This acquisition expands GE’s
® Software Platform analytic capabilities, increasing asset perfor-mance for customers as they gain critical insight into their operations. Terms of the deal were not disclosed. The acquisition includes CSense’s analytic software products and engi-neering solutions. This distinctive tech-nology provides advanced capabili-ties to proactively identify and solve potential process problems before they impact operations. The CSense asset acquisition com-plements the remote monitoring & diagnostics solutions recently added to GE’s portfolio with the ac-quisition of SmartSignal Corporation in January. “This acquisition further demonstrates our commitment to invest in our busi-ness,” said Jody Markopoulos, presi-dent and CEO of GE Intelligent Plat-
Irri-Gator Products (Pty) Ltd (IGP) is a South African-owned company based near Cape Town. The com-pany was established in 2003 with the aim of producing and supplying a range of quality and durable irri-gation and water related products with an emphasis on the controlling aspect thereof. A branch in Pretoria in the Gauteng province supplies the northern part of the country.IGP is well known locally as well as abroad for their Gator Wireless Con-trol Systems. These systems, which are South African-developed and manufactured, are extensively used on local farms, golf courses, and resi-dential complexes as well as many systems being exported to countries such as the UK;; the USA;; Spain;; Italy;; and the Americas.The Gator Hydraulic valve is an-
forms. “With these knowledge-based services, customers will be able to act faster and make better decisions to increase productivity and for their businesses.”According to Erik Udstuen, vice presi-dent of Software & Services for GE Intelligent Platforms, “The capabili-ties of this technology coupled with our recent acquisition of SmartSignal, provides us with a world-class soft-ware platform for asset monitoring and process diagnostics. We will drive operational performance for our cus-tomers by using CSense technology to gain important insights from their real-time process data.”The CSense technology establishes an open programming workbench for advanced analytic technologies used to build solutions for prediction, root cause analysis and advanced process control. GE Intelligent Platforms and CSense Systems have been working together for a number of years embedding CSense technology into the core
Software Platform. Advanced analytic algorithms enable Intelligent SCADA and Intelligent Historian solu-tions with causal analysis, proactive alarming and decision support tools built-in. Troubleshooter and Cause+ are two good examples of how CSense technology can deliver powerful analytic tools to transform real-time data into actionable infor-mation for engineers and operators.
Irri-Gator: Innovative Irrigation Control Technology from South Africa
other product in IGP’s range – these fully epoxy-coated, cast iron, single chamber valves are ideal for irriga-tion and water related applications. Sizes available are from 25mm to 200mm with both and thread-ed options available depending on size. Certain sizes are available in both angle as well as in-line format. All necessary pilots, solenoids, etc. are available so as to be able to sup-ply a suitable valve for most applica-tions.Variable Speed Drive panels for irriga-tion pumps are a further product line which IGP are proud to be involved in. These electric motor control units are generally built according to sys-tem requirements and can be used to control single or multi pumping units. The Gee – Jet and Vee – Jet range of
micro sprinkler emitters are manufac-tured by IGP for the agricultural and turf markets. A comprehensive range of accessories such as support pegs, feeder tubes and adaptors are also available.IGP is also an supplier of the Unirain range of air valves. These air valves are available in 25mm and 50mm sizes and are in double pur-pose and automatic format depend-ing on model.
Jody Markopoulos
Industry Literature
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The American Water Works Association (AWWA) an-nounced on April 18, 2011 the publication of The Future of Water: A Startling Look Ahead by Steve Maxwell and Scott Yates. As sweeping and transformational changes are heading our way in the not-too-distant future, this ground-breaking book takes a serious look at how the world will soon value water, use water, and access water. Using his extensive experience in the water industry, Max-well presents likely scenarios for the broad trends that will have a worldwide–population, economics, energy, climate, and pollution. He discusses how the actions of individuals, in-vestors, water utilities, industries, and nations can actually change the future of water. “The Future of Water is so-bering and exhilarating at the same time. It’s sobering as Maxwell and Yates detail just how water touches so many aspects of modern life, and how dire the situation might be if nothing changes. However, this book is also exhilarat-ing in the fast-paced way it examines the future of water from our own kitchen sinks to massive dams in China.” Bill Owens, former governor of Colorado.
Topics covered in The Future of Water include:
The Future of Water Use at Home In the future, lawns will be much smaller and may use a grass species that can live on common seawater. Clothes washers may use a cup of water per load–or no water at all. Dishwashers may use bursts of steam-infused air and ultraviolet light to clean and sanitize dishes.
The Future of Agricultural Water Use70% to 80% of all water consumption on the planet goes into agriculture–to watering the plants and animals grown for food. The aquifers that supply all that water are gradu-ally drying up. As it becomes scarcer, water will inevitably cost more and drive up the prices of other products. As farmers become more innovative, packaging may soon say: “Irrigated with natural rainfall, no fossil waters used.”
The Future of Industrial Water UseAs its cost increases, water will become a far more critical input or decision factor in all manufacturing and industry. Water will increasingly be considered a factor of produc-tion in the same way that labor, capital, or energy cost in-puts are today. Old industrial cities in the rainy northeastern U.S. that have been shrinking may experience revitalization in the future, as water-intensive industries move there.
The Future Sources of WaterThe ocean represents an unlimited source of water for seacoast cities that can afford desalination. In the rest of the world, wastewater and stormwater reuse may be-come commonplace to provide “new” sources of water for drinking, energy production, agriculture, and industry.
The Future of Water StorageIt is hard to overstate the role that dams have played in the economic development of the U.S. Now, America is
AWWA Launches
building very few new dams and, in fact, is tearing down many old dams. On the other hand, China and Africa are dam-building with intensity. How will the U.S. meet its water storage needs with fewer dams? What do these new Chinese and African dams–some of the biggest ever built–mean for the future of water?
The Future of Water UtilitiesTreatment costs will continue to increase in response to ever-stricter water quality regulations for both water and wastewater. Water rates will rise to generate cash for more effective treatment technologies and escalating underground pipe-replacement programs. Small utilities may consolidate for cost-savings.
The Future of Water BusinessPrivate companies are lining up to deliver innovative, ad-vanced solutions to the challenges of water scarcity, stor-
but taken as a whole, water is probably the world’s third largest industry, after oil and gas, and electrical power. Most experts place the size of the commercial water mar-ket at between US$500 billion and US$600 billion per year worldwide, and still growing.
The Future of Water is available in AWWA’s online book-store and through Amazon and Barnes & Noble.Steve Maxwell has provided strategic consulting and in-vestment services to the water industry for 20 years and has managed dozens of mergers and acquisitions in the industry. He is the editor and author of The Business of Wa-ter, the annual Water Market Review, and hundreds of ar-ticles on water resources and business issues. Scott Yates is a writer, consultant, and entrepreneur. Af-ter graduating with a journalism degree from New York University, he has worked as a writer at newspapers and magazines in New York, Connecticut, and Colorado, win-ning numerous regional and national awards.
Corporate Happenings
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CST Industries, Inc., the global leader in the manufacture and construc-tion of factory coated metal stor-age tanks, domes, specialty covers, and reclaimer systems, is pleased to announce that Steven Westfall has been named President of CST Stor-age, the company’s storage systems division. CST Storage was created in Novem-ber 2010 as premier tank manufac-turers Engineered Storage Products Company (ESPC), producer of glass-fused-to-steel tanks sold under the brand names Aquastore, Harvestore, and Slurrystore joined with Columbi-an TecTank (CTT), producer of epoxy-coated and other modular bolted steel tanks and factory-welded silos used in a variety of industries since 1893. The company has fabrication facilities located in Parsons, Kansas, Winchester, Tennessee, and DeKalb, Illinois in the USA. Its engineering centers of excellence are located in Lenexa, Kansas, Parsons, Kansas, DeKalb, Illinois, and Winchester, Ten-nessee. CST Storage is the world’s largest provider of modular, factory coated bolted storage tanks for dry bulk and liquid applications in mu-nicipal, industrial, and agricultural markets.
Steven Westfall Named President of CST Storage“Steve’s experience as a global lead-er makes him an ideal choice to as-sume this role which extends across all our tank product lines. His experi-ence delivering aggressive growth strategies will be extremely as CST Storage grows its position as the complete storage system provid-er in the municipal, industrial, com-mercial, and agricultural markets,” said Declan McLaughlin, President and CEO of CST Industries, Inc. Prior to joining CST Storage, Westfall served as president and chief execu-tive of Detroit Tool Metal Prod-ucts in Lebanon, Missouri, USA, where he led the company’s niche metal stamping and fabrication business. CST Storage is the world’s largest pro-vider of modular, factory coated bolt-ed storage tanks and factory welded silos. Headquartered in Lenexa, Kan-sas, CST Storage manufactures the leading tank coating technologies in the industry, providing both glass-fused-to-steel porcelain enamel and a proprietary cured epoxy system. CST Industries, Inc., is the complete storage system provider for engineer-ing and manufacturing professionals in thousands of different industries and applications throughout the world. The company is the global leader
in the manufacture and erection of factory coated metal storage tanks, aluminum domes, and specialty cov-ers. CST’s existing company portfolio consists of CST Storage, TemcorCon-servatek, Weaver Reclaimer Systems, and Vulcan Tanks. Manufacturing fa-cilities and technical design centers are located in Parsons, Kansas;; Win-chester, Tennessee;; DeKalb, Illnois;; Conroe, Texas;; Gardena, California;; Rincon, Georgia, and in the United Kingdom. Regional sales are located throughout North America and in Mexico, Argentina, the Unit-ed Kingdom, India, Singapore, Viet-nam, and Dubai. Currently more than 275,000 CST tanks and covers have been installed in 125 countries throughout the world.
Pentair, Inc. announced on May 12, 2011 that it has completed the ac-quisition of the Clean Process Tech-nologies (CPT) division of Norit Hold-ing, B.V. As previously announced, the purchase price was €503 million (US$714.2 million).Based in the Netherlands, CPT is a glob-al leader in membrane solutions and clean process technologies in the high growth water and beverage and separation market segments.CPT’s product offerings include inno-vative and membrane technologies, aseptic valves, CO2 recovery and control systems and
Pentair Completes Acquisition of Norit’s Clean Process Technologies Business
specialty pumping equipment.“CPT is a great for Pentair. The com-bination of CPT with Pentair’s Filtration Solutions business creates a global leader in water and beverage -tion technologies, systems, and solu-tions, and strengthens our presence in fast growth regions, including China, Latin America, and the Middle East,” said Randall J. Hogan, Pentair chair-man and chief executive .Pentair is a global indus-trial company headquartered in Min-neapolis, Minnesota, USA. Its Water Group is a global leader in provid-ing innovative products and systems
used worldwide in the movement, treatment, storage, and enjoyment of water. Pentair’s Technical Products Group is a leader in the global en-closures and thermal management markets, designing and manufactur-ing thermal management products and standard, , and cus-tom enclosures that protect sensitive electronics and the people that use them. With 2010 revenues of US$3 billion, Pentair employs over 14,000 people worldwide.
Steven Westfall
Corporate Happenings
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Green Cross International (GCI) and Giorgio Armani are partnering to pro-mote access to safe drinking water through GCI’s Smart Water for Green Schools project in Ghana. A compre-hensive support and solidarity net-work has been devised around Ac-qua di Gio and Acqua di Gioia, two of Giorgio Armani’s fragrances. As of March 1, 2011, every bottle sold will help provide access to drinking water for children and their communities. The participants will then be invited, through a personal code indicated on the outer carton of the chosen fra-grance, to extend their action online.“The cooperation between Green Cross International and Giorgio Ar-mani is an innovative partnership model. This is not another ‘feel good’ campaign but a practical step to help make the Right to Water a reali-ty. It is a pleasure to welcome Giorgio Armani as our partner on this impor-
Green Cross International Partners with Giorgio Armani tant mission,” said Alexander Likhotal, President of Green Cross International. “Water is such a simple word, but like all simple words it has a pro-found because where there is safe water, there is life, en-ergy, wellbeing, a serene encounter with nature, and a marvelous sense of freshness,” said Giorgio Armani. Access to drinking water is the basis for everything. Yet safe drinking water is one of today’s key challenges. One out of six people on the planet does not have access to safe drinking water. Globally, diarrhea is the leading cause of illness and death. The Acqua for Life Challenge 2011 will support the expansion of Smart Wa-ter for Green Schools to more com-munities in Ghana where about 40% of the rural population still lacks ac-cess to safe drinking water. Through the Smart Water for Green Schools project Green Cross International
builds rainwater harvesting systems for schools, builds and maintains boreholes and wells to provide safe drinking water for the community. With better access to safe drinking water for drinking, school enrollment and attendance, especially amongst girls, are also improved.
Corporate Happenings
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 664
DEPARTMENTS
An association of four German utilities has selected GE’s advanced 109FB combined-cycle technology to help meet the operating and -ciency requirements of the new Mit-telsbüren power plant located near Bremen, Germany. Gemeinschafts-kraftwerk Bremen GmbH & Co. KG, which includes German utilities swb, Deutsche Bahn Energie, TOBI and Mainova, was recently formed to build and operate the Mittelsbüren plant.GE and its consortium partner, Cobra Instalaciones y Servicios S.A., have signed equipment and service con-tracts totaling more than US$434.3 mil-lion for the project, which is designed to help Gemeinschaftskraftwerk Bre-men respond to the challenges of the German electricity grid, as more wind enters the country’s energy mix.Successful energy policy has enabled Germany to be a world leader in wind power production, resulting in large amounts of wind turbines being add-ed to the country’s electricity grid.Since wind is an intermittent energy supply, it presents new challenges for power producers today. When pow-er generation , it is neces-sary to have equipment to accom-modate the intermittent changes.Flexible, gas turbine com-bined-cycle technology can an important role in balancing the mix of power generation required to pro-vide a reliable supply of electricity from diverse energy sources includ-ing renewable energy. “We evalu-ated all options and concluded that in our heavily renewable-penetrated grid, GE’s 109FB combined-cycle plant was the clear choice due to its overall economics,” said Matthias Schaup, head of the project depart-ment of swb Erzeugung. “The new plant will be designed to help ensure a reliable power supply at high -ciency.” swb initiated the project in 2009 and is in charge of the project management.The new power plant is expected to supply more than 440 megawatts of
Association of German Utilities Selects GE-Led Consortium to Deliver Flexible Power Plant Solution
electricity for the North German re-gion when it enters service in 2013, including 165 megawatts to meet the power requirements of Deutsche Bahn, Germany’s national railway operator. The project includes the supply of a 9FB gas turbine, 109A-17 steam turbine, 450H generator, heat recovery steam generator, Mark VIe distributed control system, customer training, and plant commissioning.GE’s consortium partner, Cobra In-stalaciones y Servicios S.A., will be responsible for balance-of-plant, civil works, and erection.In addition, GE has signed a contrac-tual service agreement (CSA) with the customer. This agreement will help ensure performance guarantees, predictable maintenance costs, and access to GE’s latest technology and global experience. GE’s CSAs are structured to help power plant op-erators enhance the long-term per-formance from their installed assets, which can provide them a competi-tive advantage in today’s challeng-ing power generation sector. “GE’s latest 109FB combined-cycle plant offers faster startup, improved startup emissions, less fuel consump-tion during ramp-up to full-load op-eration and extended turndown, resulting in a more operating
for our customers,” said Ricar-do Cordoba, president of GE Energy Western Europe and North Africa. “GE leads the industry in offering the most and reliable combined-cycle power plant in its class today.” The heart of GE’s 109FB combined-cycle plant, the 9FB is GE’s most advanced, air-cooled 50-hertz gas turbine. The 9FB went into com-mercial operation in 2006 and today, more than 50 are operating or on order worldwide. In combined-cycle operation, the 9FB is capable of 59% base load , making it one of the most machines in its class. The 9FB is a member of the GE family of F-class gas turbines;; more than 1,000 F-class turbines are op-erating around the world and have
compiled 33 million hours of service. The Mittelsbüren plant will be equipped with GE’s advanced DLN 2.6+ combustion system, which will help maintain NOx and CO emissions performance down to less than 40% load while increasing availability by improving combustion system inspec-tion intervals. GE’s 109A-17 steam turbine for the project features a compact, power-dense design, which contributed to GE’s capability to provide a power plant that was able to on swb’s existing site. Additionally, the steam turbine offers several technology en-hancements that help to increase the overall of the plant. Also featured for the Mittelsbüren project will be GE’s Mark Vle plant control system. This technology pro-vides greater levels of operational
and higher levels of perfor-mance while maintaining a high de-gree of equipment protection.GE has a strong presence in Germany and is particularly active in the areas of cleaner energy, healthcare, avia-tion, and research. One of the com-pany’s global research centers, GE Global Research Europe, is based in Garching, near Munich. Other GE Energy sites in Germany that drive innovation include a new offshore wind Technology Center in Hamburg and the European Headquarters for Renewables in Salzbergen, Lower Saxony. GE ranks among the most at-tractive employers in Germany, pro-viding more than 7,000 jobs.
Products & Services
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Blue-White Industries’ Chem-Pro® C3 Series Metering Pump has output/feed capability up to 42.5 GPH /160 LPH. The pumps’ maximum working pressure is 175 psig (12.1 bar).Chem-Pro C3 features include: A PVDF Pump Head, PVDF Pump Head Adapters, and PVDF ball valves;; a priming / degassing valve is built into the pump head;; digital touch pad control with back-lit LCD display;; vari-able speed motor that can be ad-justed from 1 – 100% in 1% increments, brush life is up to 3,400 hours and an extra set of brushes is stored inside the pump housing;; the pump hous-ing is durable powder coated alumi-num, rated NEMA 4X/lp 66 for wash down;; and Blue-White’s DFD built-in Leak Detection System that senses a chemical leak in the pump head and shuts off the pump. The Chem-Pro C3 ships complete with Priming valve / pressure relief valve (located on pump head);; Pump head adapters: Inlet (suc-tion side) Barbed for 1/2” tubing;; Outlet (discharge side), select one of the following: Barbed, 1/2” tub-ing (2 pieces), Threaded, 1/2” male
Chem-Pro C3 Diaphragm Metering Pump from Blue-White Industries
NTS® Shine Black: FITT® New Hose Illuminates the Garden
NPT (2 pieces);; or Threaded, 1/2” female NPT (2 pieces);; Footvalve / Stainer with 1/2” ceramic ball and 1/2” barbed adapter (optional 1/2” male NPT adapter);; Injection Fitting with 1/2” ceramic ball and one 1/2” barbed adapter (optional 1/2” male NPT adapter);; Suction tubing, 10 feet of 1/2” clear PVC tubing;; Mounting brackets (2) with screws.Blue-White Industries is a leading manufacturer of metering pumps (diaphragm, peristaltic), meters (variable-area, paddlewheel, ultra-sonic), and water treatment acces-sories. The company was founded in 1957. Blue-White has two locations, both located in Huntington Beach, California, USA. The second location is used for warehouse and service.
Garden enthusiasts know that every element must be a pleasure to the eyes, and the irrigation hose is no ex-ception. For this reason Italy’s FITT®, a leading company in the production of garden hoses, launched on the market a new black sparkling hose.NTS® Shine Black comes from the win-ning combination of aesthetics and performance, leveraging two pat-ented technologies developed by FITT®.The Microlights® Technology patent-ed system gives the hose a sparkle effect thanks to the miniscule alumi-num particles directly amalgamated into the PVC mixture making up the hose surface.The new hose NTS® Shine Black, to-gether with an impacting aesthetic, ensures excellent performance: The
NTS® stitch provides the hose with high malleability and handiness, with-out fold, twist or knot formation. Further to highlight the appeal of the new range at point of sales, FITT® has come up with an innovative packag-ing idea that provides the hose with great visibility and exalts all its glitter-ing beauty.NTS® Shine Black: Be dazzled!
The dynaBLEND™ Liquid Polymer Ac-tivation/Dilution/Feed Systems from Fluid Dynamics feature patented dy-naBLEND technology that provides su-perior performance in activating and feeding liquid polymers in a wide vari-ety of applications. The dynaBLEND’s non-mechanical mixing chamber de-livers an unequalled degree of reliabil-ity when compared to mechanical technologies. The system also features an injection check valve for ease of disassembly, inspection, and cleaning which eliminates a maintenance issue common to other systems.Control options range from simple manual systems to fully instrumented PLC-based units with an unlimited va-riety of inputs and outputs. Standard units are available to provide acti-vated polymer solution from 30 gph through 21,000 gph. Standard or cus-tomer dry preparation systems with capacities to 998 kilograms per day are also available. Fluid Dynamics is a global leader in the design and manufacture of polymer-blending systems, special-izing in non-mechanical polymer-blending equipment. In 2004, Fluid Dynamics became a division of Nep-tune Chemical Pump Co., an operat-ing company within Pump Solutions Group (PSG™).
Fluid Dynamics’ dynaBLEND™Liquid Polymer Blending Systems
Products & Services
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 666
DEPARTMENTS
Pure Water Group Netherlands, a leading manufacturer of Continuous Electro Deionization (CEDI) equip-ment, supplied a CEDI plant for the production of ultrapure boiler feed water for steam injection in a Dutch
. Five parallel CEDI skids with a capacity of 100 m3/h each, are implemented as tech-nology stage in a train of water treat-ment equipment. The CEDI stage ensures consistent and predictable product water quality with conduc-tivity < 0.1 µS/cm and < 0.02 ppm silica. Preventing the corrosion and contamination of steam generators by trace minerals, CEDI is preceded in the treatment train by mechanical screening, , biologically active carbon , and reverse osmosis. Up to 10,000 m3 of ultrapure boiler feed water per day is supplied to Europe’s largest onshore .The treatment process is part of a wealth of new technologies that has enabled the oil company NAM (owned by Shell and ExxonMobil) to
Continuous Electro Deionization from Pure Water Group Netherlands
reactivate the Schoonebeek , after the production of deep-lying oil was abandoned in 1996. Now steam is injected in horizontal wells at a depth of approximately 800 meters. It the viscous oil, while form-ing a steam chamber that helps to force the oil and condensate down towards a reception well, from where it is extracted to the surface.
Continuous Electro DeionizationCEDI is the most advanced genera-tion of ion exchange technology. Continuous Electro Deionization is a chemical-free operation and there-fore environmentally friendly, pro-vides a continuous production and has extremely low operating costs when compared to chemical regen-erated ion exchange technology. The process uses electricity in com-bination with ion exchange mem-branes and ion exchange resin to separate dissolved ions from water.Like conventional ion exchange, Continuous Electro Deionization re-moves dissolved, ionizable materials such as salts, acids, and bases. It can also remove weakly ionized materials such as dissolved silica, carbon diox-ide and some organics.Because the resins in the module are continuously regenerated by
the electric current, these do not become exhausted. This continuous electro-regeneration enables CEDI systems to produce ultrapure water without the need for chemical regen-eration or downtime.Pure Water Group is specialized in High Purity and Ultrapure Water ap-plications. Since more than 20 years the development of membrane -tion and Electro Deionization systems is the main focus. Based on knowledge and experience, equip-ment is manufactured for water sys-tem integrators across the world. Pure Water Group clients implement the equipment in the process and power industry, the pharmaceutical industry and at haemodialysis cen-ters. As Ionpure ‘Master Service Pro-vider’, the company distributes CEDI modules and accessories direct from its European warehouse. The branch and product knowledge enable Pure Water Group to guarantee qualita-tive high-end solutions which meet clients’ expectations on every level.
has recently launched FLUUX High Flow Filtration System for commercial and residential use. This
shows two strengths as follows: “High Capacity” & “Easy Handling”. FLUUX High Flow is designed to allow twice the rate of existing models. You can now exchange FLUUX High Flow without using any special tools and the need to shut off water because the shut-off valve is already included in the company’s patented header. This makes FLUUX High Flow more convenient and price-compet-
For Water Filter Beyond the Highest Requirements
itive against the existing models. FLUUX High Flow reduces your water production cost with a single high level operating that de-creases chlorine taste and odor, dirt and cyst. If necessary, you can add built-in scale inhibitor and lead re-duction into FLUUX High Flow.
has been manufacturing a wide variety of residential water treatment systems to supply its valu-able customers high quality water
at a reasonable price and the company has become the leading company in the water -
tion industry in Korea. has been striving to enhance its capabili-ty to produce the most cost-effective and trouble-free water .
E-News
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In February 2011, German software producer VSX – VOGEL SOFTWARE and the Singaporean-based compa-ny EPI Pte Ltd. ( ) have signed a contract concerning the distribution of the pump selection software SPAIX in Southeast Asia. “With we have found a competent partner for the Southeast Asian market who has comprehensive know-how in pump technologies and accordant industry knowledge. We are very pleased to provide our customers in Singapore, China, Malaysia, Thailand, Vietnam, Indonesia, and the Philippines, with a regional contact person with imme-diate effect,” emphasizes Jens-Uwe Vogel, Managing Director of VSX. The Singaporean manufacturer Eu-
offers a wide range of pumps, pump systems, and related services. Since the 1990s, the company pro-duces and distributes high-quality products under the brand name Eu-
and has a continued growth
VSX Appoints Distributor for Southeast Asiaup until today. After the expansion of production capacities in 2007, the company was not only able to man-ufacture larger quantities but also to complement the assortment with fur-ther pump types.
employees were trained by software specialists at the VSX head-quarters in Dresden, Germany. More-over, VSX equipped the company with all necessary and important materials. will independently organize and follow-up all regional sales and marketing activities. Fur-thermore, the distributor will provide a wide range of support options and services. Thus, the customers within these sales areas have one contact person for all . “We are looking forward to the suc-cessful collaboration with and the associated strengthening of our market position in Southeast Asia,” re-sumes Jens-Uwe Vogel.VSX – VOGEL SOFTWARE develops
applications for sizing, selection, con-, and sales of pumps and
engineered products in the han-dling industries combined with solu-tions for business process automa-tion. The software solutions substitute conventional product catalogues and thus simplify the sales processes of producers as well as users. More-over, the software users from additional applications like the tech-nical calculation, complex product
, as well as offers and technical documents producible di-rectly in the system.
Looking forward to their prospective col-laboration: Max Chiew, General Manag-er of (left), and Jens-Uwe Vogel, Managing Director of VSX
E-News
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 668
DEPARTMENTS
Thermo Fisher Inc., the world leader in serving science, an-nounced on April 4, 2011 that Pilgrim Software has joined the company’s Informatics Global Partner Alliance. Tampa, Florida-based Pilgrim Soft-ware, Inc. will provide integrated risk, compliance and quality man-agement solutions to Thermo Fisher’s informatics customers operating in highly regulated environments. Thermo Fisher offers a prov-en integrated portfolio of informatics solutions, including laboratory infor-mation management systems (LIMS), chromatography data systems (CDS) desktop spectroscopy, document management systems (DMS), and electronic laboratory notebooks (ELN) to customers in regulated indus-tries such as biotechnology, pharma-ceuticals and clinical and diagnos-tic laboratories, as well as regulated process industries such as food and beverage processing and water and environmental testing. Thermo Fisher’s informatics solutions are designed to provide custom-ers with state-of-the-art systems for helping to mitigate risk and maintain compliant processes while producing safe and secure products that meet regulatory requirements and industry standards. Pilgrim’s risk, compliance and quality management software
Thermo Informatics Global Partner Alliance
integrates fully with existing laborato-ry and enterprise systems, providing a natural end-to-end solution for Ther-mo Fisher’s customers seeking to re-main compliant, minimize risk, reduce costs, and operate more effectively. Thermo Fisher offers its customers comprehensive solutions to manage and document the risk management process both before and after prod-uct are delivered to consumers. Pil-grim Software solutions support this ef-fort. These include Internal and Exter-nal Audit Management for raw mate-rials and reagents to assist with regu-latory requirements;; SOP and secure Document Management Systems;; Employee Training and records tracking;; Root Cause Analy-sis of Process of Non-Conformance or Deviation;; a Supplier Quality solution, documenting vendor processes and tracking performance by scorecard;; as well as instrument maintenance, change management and ad hoc inquiries reporting.
“By extending its proven solution to Thermo Fisher custom-ers, Pilgrim can serve an expanded range of organizations with its glob-ally recognized process automation platform,” said Prashanth Rajendran, chief operating of Pilgrim Soft-ware. “We look forward to building a productive relationship between our two companies, tapping into com-plementary product knowledge and industry expertise so we can offer an expanded portfolio of customers a more proactive and predictive qual-ity, compliance and risk manage-ment solution framework.”“Our goal is to provide our custom-ers with the most complete solutions possible so that each stage of their operations is by seamless and integrated systems that enable faster and more informed decision making,” said Dave Champagne, vice president and general manager for the Informatics business at Thermo Fisher .
IMSDesign2011 is the latest version of Hydranautics’ projection program, a software tool created to meet the most demanding needs of the mem-brane industry professional. IMSDe-sign2011 is a comprehensive mem-brane projection program that allows the user to accurately design an RO system using the latest in Hydranautics membrane technology. This program provides new features which enhance the user’s ability to quickly and accu-rately design and analyze various RO desalination systems. IMSDesign2011 builds on the new features provided
Nitto Denko / Hydranautics Announces Release of IMSDesign2011
in IMSDesign2010 which included Im-proved Temperature Correction Fac-tor for more accurate performance projections of seawater membranes at low temperatures, an ability to cor-relate Flux Decline & Fouling Factors, more stable turbo booster calcula-tions, and the ability to model an in-terstage turbo and interstage booster pump in series. IMSDesign2011 offers projection ca-pability with new Hydranautics’ ele-ments, including the company’s lat-est 16 inch, MAX & LD products, and more accurate chemical dosing, pH
projections, and silica passage cal-culations. Additionally, the program offers greater design flexiblity with variable booster pump placement, ERD and split partial designs. IMSDesign is compatible with the lat-est Windows platforms, including Win-dows 7 on 64-bit machines.
E-News
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GE Intelligent Platforms announced on March 22, 2011 the availability of the ® for Water InfoCenter, a solution pack that brings the power of the Software Plat-form to help water utilities face their many challenges to make better decisions saving time and money for better service to customers. The for Water InfoCenter is part of GE’s “Intelligent Water” initiative, which provides insight into resources by optimizing workforce, assets and plant opera-tions with a task relative information environment, con-veyance by leveraging buffer capacity, reducing pump station energy consumption, and limiting non-revenue water with improved information visualization, treatment by mitigating increasing energy consumption during treatment with smart plant management of pumping and chemicals, and business with coordinated web-based so-lutions providing transparency into operations that deliver actionable information to power better decision making.“ for Water InfoCenter is the major release fol-lowing our announced relationship with the US Environ-mental Protection Agency (EPA),” said Alan Hinchman, Global Water Industry Manager for GE Intelligent Plat-forms speaking of last year’s GE - EPA collaborative re-search agreement. “Water and wastewater utilities face a number of challenges globally including reducing op-erational costs, managing water quality, and increasing
. GE believes the solution to solve these chal-lenges is to provide operational information contextual-ized with historical data in a concise manner to operators via local interfaces or mobile devices. for Water InfoCenter does that by changing how utilities will man-age their treatment and conveyance systems.”The software platform brings insight and solutions to water operations in a way that is both actionable and
. Developed for water/wastewater utilities, the for Water InfoCenter software platform provides connected information to better manage wa-ter resources to improve operations in resource manage-ment, conveyance and treatment of water, and overall business management. It brings together award-winning
HMI/SCADA - iFIX visualization, embedded Historian, web publishing capability with Web-Space, and more than 250 water- dynamos. “Water is fast becoming a currency worldwide, and the budget shortfalls and economic realities facing nearly ev-ery area around the country today makes this a message that is hard to ignore,” said Hinchman. “With a total view of the water grid, the agency can see what’s happening from source water through treatment, you can gain unprecedented information and make bet-ter decisions to reduce loss, anticipate demand, and im-prove operations, reliability and security, saving time and
® for Water InfoCenter Provides a Powerful Water Information Hub in a Cost-Effective Solution Package
money and better serving constituents.”The GE Intelligent Platforms and the US Environmental Protection Agency (US EPA) cooperative research and development agreement (CRADA) focuses on connect-ing dissimilar data sources into a software-based platform that improves decision making capabilities across a wa-ter system. The solution will increase the effectiveness of a distribution network for the delivery of better quality water while using 15% less energy.
for Water InfoCenter is the related product re-leased following the CRADA and the latest example of how GE’s US$4 billion-a-year software and solutions servic-es businesses are helping customers improve productivity.GE Intelligent Platforms has launched the Our Water Counts campaign showcasing global data, reports, white papers, videos, interactive maps and other resources to spread awareness about today’s global water manage-ment problems and how to them. Our Water Counts demonstrates that if utilities, municipalities and the gen-eral public change the way they think about water, they can impact revenue, community development and glob-al health. GE Intelligent Platforms is an experienced high-perfor-mance technology company and a global provider of software, hardware, services, and expertise in automa-tion and embedded computing. The company offers a unique foundation of agile and reliable technology pro-viding customers a sustainable competitive advantage in the industries they serve, including energy, water, con-sumer packaged goods, oil & gas, government & de-fense, and telecommunications. GE Intelligent Platforms is headquartered in Charlottesville, Virginia, USA.
is a registered trademark of GE Intelligent Plat-forms. All other trademarks are the property of their re-spective owners.
EVENTS Event Preview
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 670
Best Waste Water Solution Contest at Aquatech China 2011To emphasize the wastewater theme of Aquatech China, the Best Waste Water Solution Contest will be held for the second time at China’s largest international water tech-nology trade fair. The upcoming edition of Aquatech China will be a one-of-its-kind, international, high quality water technology event, with special attention for the industrial use of water and the wastewater industry. With more than 800 exhibitors and 32,000 m² of space, Aquatech China 2011 is the biggest water show in China. The event will take place from June 1 to 3 at the Shanghai Exhibition Centre in Shanghai, China.The rapid economic growth in China still boosts industrial activities throughout the nation. As cities grow exponen-tially and commercial and industrial output increases, huge pressure is being placed on China’s water infra-structure. The government of China has announced sub-stantial investment plans to bring the quality of water and the treatment of wastewater up to internationally recog-nized standards. The Best Waste Water Solution Contest at Aquatech China corroborates this government policy. An expert panel of judges will select a number of products to be nominated. Water professionals all across China will be invited to vote for the best wastewater solution. Last year the award for the Best Waste Water Solution went to ITT China for their wastewater tertiary treatment total solution. Government SupportAquatech China 2011 is supported by the Chi-nese Ministry of Housing and Urban Rural Development as well as the China Architectural Culture Center, De-salination & Water Reuse Society, Shanghai Urban and Rural Construction and Transportation Committee, the Shanghai Water Bureau, Shanghai Urban Construction Investment Development Corporation, Shanghai Water Reclamation Trade Association, and the Shanghai Water Appliance Association.
During Aquatech China, these administrations will orga-nize high-level seminars, the topics of which are related to water supply and wastewater treatment. They will also invite a great amount of related departments such as building committees, water bureaus, urban construction companies, wastewater treatment plants, water supply plants from Shanghai and the surrounding regions to visit Aquatech China.
Biggest Water Show in ChinaAquatech China is the largest international water tech-nology show in China with 32,000 m² of space, over 800 exhibitors (of which at least 50% are from overseas), and the top quality of visitors that the world has come to know of Aquatech Global Events. The trade fair in China will display the entire clean water and wastewater treat-ment market. All international and national market lead-ers will be present.
Visiting Aquatech China is free of charge for professionals in the water industry if they register online atwww.china.aquatechtrade.com
The calendar of Aquatech Global Events:Aquatech China 2011: June 1 – 3, 2011, Shanghai, China Aquatech Amsterdam 2011: November 1 – 4, 2011, Amsterdam, the Netherlands International Water Week: October 29 – November 4, 2011, Amsterdam, the NetherlandsAquatech India 2012: April 25 – 27, 2012, New Delhi, IndiaWQA Aquatech USA 2012: March 6 -9, 2012, Las Ve-gas, Nevada, USA
Event Preview
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The Southern African Society for Trenchless Technology (SASTT) has announced that NO-DIG SOUTH AFRICA 2011 will take place in Pretoria, on August 23 and 24, 2011.Supported by the International Society for Trenchless Technology (ISTT), the two-day event will feature the ISTT Trenchless Masterclass which is a widely acclaimed edu-cational training program.Led by international experts Dr. Sam Ariaratnam and Dr. Dec Downey, the ISTT Trenchless Masterclass will provide attendees with an overview of the latest trenchless tech-niques, as well as detailed sessions on topics, such as: Inspection, repair, rehabilitation, replacement, and new installation. A of attendance will be provided to all delegates. South African professional del-egates will receive CPD points.The simultaneous exhibition is the SASTT’s major event to showcase trenchless technology and will provide sup-pliers of equipment and services with an unrivalled oppor-tunity to present a range of products and services to a highly focused audience.Trenchless technology is internationally recognized as a progressive and modern solution for the installation and refurbishment of underground services, particularly in urban areas where the disruption to the public and the environment is minimized. As South Africa plans a huge
The edition of the International Water Week (IWW) aims to present integrated solutions, presenting a holistic approach to solve the water challenges in a changing world. This six-day event will be a platform for the entire water industry and includes the internationally renowned Aquatech Amsterdam trade exhibition, the Aquaterra conference on water and coasts, plus an extensive con-ference and workshop program. The IWW will take place in Amsterdam and throughout the Netherlands from Oc-tober 29 to November 4, 2011. The International Water Week intends to bring together the worlds of water technology and water management. The businesses, non- organizations, government agencies, and scientists taking part in the event will ac-tively share practical solutions to global water issues. The IWW is organized by Amsterdam RAI and the leading wa-ter organizations International Water Association (IWA), Netherlands Water Partnership (NWP), Royal Netherlands Water Network (KNW), and Waternet.
ConferencesThe Royal Netherlands Water Network and Waternet will organize a number of conferences on water technology
NO-DIG SOUTH AFRICA 2011 Incorporating ISTT’s Trenchless Masterclass
program of new infrastructure installations and continues extensive repairs to ageing underground services across the country, the staging of NO-DIG SOUTH AFRICA 2011 is particularly relevant and timely for many engineers wish-ing to get up-to-date on the latest techniques and prod-ucts.NO-DIG SOUTH AFRICA 2011 is organized on behalf of SASTT and ISTT by UK-based Westrade Group Ltd who are specialists in organizing international trenchless technol-ogy events.
Integrated Solutions Covering the Entire Water Cycleat the International Water Week 2011 in Amsterdam
and water management focusing on topics such as Wa-ter and Energy, Water and Cities, Water Operators’ Part-nerships and International Benchmarking. The IWW also includes an integrated conference on wa-ter and coasts (Aquaterra), Water and Innovation, and Water and Industry. The integrated conference is orga-nized by the IWA, NWP and Amsterdam RAI.
ExcursionsNext to the knowledge exchange going on during the conferences, best practices will also be shown real-live. The Netherlands offer a small-scale but real-time show-case of the accomplishments that are possible when good water technology meets good water manage-ment. Technical tours and excursions will be organized during the International Water Week to visit some of the marvels of Dutch engineering.
EVENTS Event Review
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 672
IFAT CHINA + EPTEE + CWS 2011 Wraps Up another Successful ChapterIFAT CHINA + EPTEE + CWS 2011, the second edition of the joint trade fair organized by Messe München Inter-national (MMI) and Shanghai ZM International Exhibition Co., Ltd., again demonstrated its leading position in Chi-na. The show, which was held from May 5 to 7, 2011 in the Shanghai New International Expo Centre, every corner of the 35,000 square meters of exhibition space. In addition to that, the event featured 752 exhibitors from 25 countries and more than 22,000 visitors from 75 countries. With these , the International Trade Fair for Water, Sewage, Refuse, Recycling and Natural Energy Sources has strengthened its prevailing position as the largest and most important environmental trade show inAsia.
“This year’s IFAT CHINA + EPTEE + CWS wraps up another successful chapter. Both the technologies and services of-fered by the exhibitors as well as the quality of visitors at-tending are impressive. The conference program, which is of unique quality in China, creates an international plat-form for exchanges about the latest trends in the environ-mental sector,” remarked Eugen Egetenmeir, Managing Director of Messe München International.
Jiang Gang, General Manager of Shanghai ZM Interna-tional Exhibition Co., Ltd. proceeded by saying: “IFAT CHI-NA + EPTEE + CWS is Asia’s largest and most well-known professional exhibition. It is both an environmentally friend-ly industry event and a place to interact with experts in the . The exhibition receives important exposure and attention from a great number of domestic and interna-tional exhibitors and stakeholders in the environmental protection and water sector.”
There was a notable increase in the number of interna-tional pavilions coming from a total of 10 countries and re-gions. They are namely Austria, Canada, Germany, Italy, Japan, Korea, Singapore, Switzerland, Taiwan, as well as
the WEF pavilion from the USA. Sixty percent of the exhibi-tors came from China. The top ten visitor countries and re-gions were China, Korea, Japan, Taiwan, Germany, Rus-sia, Malaysia, Indonesia, Hong Kong, and India.
“IFAT CHINA + EPTEE + CWS has become an integral part of Sino-German cooperation. It is an excellent platform for strengthening the dialogue between German and Chinese companies and institutions that provide solutions for waste and water management. I wish the show every success for the future,” said Katherina Reiche, Parliamentary State Secretary from the German Federal Ministry for the Environment, Nature Conservation and Nu-clear Safety (BMU), who opened the trade fair.
Mr. Luo Jianhua Secretary General of China Environment Chamber of Commerce pointed out: “This is the second time that we brought our members to join IFAT CHINA + EPTEE + CWS. We a lot from the well organized and highly international trade show. The presence of key chamber members also brought new highlights.”
The trade fair featured a high- conference program, with 60 sessions in total and 7,000 attendees. The work-shop hosted by the BMU focused on treatment and en-ergy recovery of waste and biotechnical solutions to ad-dressing waste problems in the water and energy sectors. The technical and conferences were organized by the German Association for Water, Wastewater and Waste (DWA) in cooperation with the National Engineer-ing Research Center for Urban Pollution Control (NERC) of Tongji University. In addition, a multinational workshop “Earth System Engineering” was organized jointly by the International Expert Group on Earth System Preservation (IESP), the Chinese Research Academy ofEnvironmental Science (CRAES), and the Bavarian State Ministry of the Environment and Public Health.
Coming Events
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C o m i n g E v e n t s
If you’d like to run your event in this space, kindly send all necessary details [email protected]
REW Istanbul 7th International Recycling, Environmental Technologies and Waste Management Trade Fair 8 – 11, Tüyap Fair & Congress Center, Istanbul - Turkey Info: Istanbul Fair Organization Contact Person: Ms. Ipak Akbay Saltik Tel: +90 (212) 275 75 79 Fax: +90 (212) 288 36 11 Email: [email protected]: www.rewistanbul.com
July 2011SINGAPORE
Singapore International Water Week (SIWW) Sustainable Water Solutions for a Changing Urban Environment 4 – 8, Suntec Singapore International Convention & Exhibition CentreInfo: SIWW Contact Person: Michael Toh – Manag-ing Director Tel: +65 6731 3160 / 6731 3169Fax: +65 6731 3055 Email: [email protected] Http: www.siww.com.sg
August 2011SOUTH AFRICA
NO-DIG SOUTH AFRICA 2011 23 - 24, Pretoria, South AfricaInfo: Westrade Group Ltd. Contact Person: Caroline Prescot - Managing Director Tel: +44 (0) 20 8876 1881 Fax: +44 (0) 870 429 9275Email: [email protected] Http: www.westrade.co.uk
September 2011AUSTRALIA
The IDA World Congress 2011 onDesalination and Water Reuse 4 - 9, Perth, Western AustraliaInfo: International Desalination AssociationContact Person: Darlene A. Seta - Conference and Technical Programs Manager Tel: +1 978 887 0410 Fax: +1 978 887 0411Email: [email protected]: www.idadesal.org
October 2011Germany
IWRM 2011 Management of Water in a Chang-ing World: Lessons Learnt and Innova-tive Perspectives 12 - 13, Maritim Hotel & International Congress Center - Dresden, GermanyInfo: Helmholtz Centre for Environmental Research - UFZ Contact Person: Dr. Ralf Ibisch Tel: +49 (0) 561 804 3608 Fax: +49 (0)391 810 9699Email: [email protected] Http: www.bmbf.iwrm2011.de
November 2011UAE
The 2011 International Conference on Water, Energy, and the Environment 14 - 17, American University of Sharjah - Sharjah, UAEInfo: American University of Sharjah Contact Person: Raafat Alnaizy Tel: +971 6 515 5555 Http: www.aus.edu/conferences/icwes
UAE
GWBT Dubai 2011 Global Water & Beverage Technol-ogy Congress (In conjunction with Dubai Drink Technology Expo 2011) November 29 – December 1, Dubai International Convention & Exhibition CentreInfo: Index Conferences and Exhibitions Contact Person: Nada Saaydeh – Media Coordinator Tel: +971 4 362 4717 Ext 149 Fax: +971 4 362 4718 Email: [email protected] Http: www.drinkexpo.ae
December 2011Saudi Arabia
Saudi Water & Power Forum (SWPF) 4 – 7, Jeddah Hilton – Jeddah, Saudi ArabiaInfo: The CWC Group Contact Person: Chris Hugall Tel: +44 207978 0084 Fax: +971 4 362 4718 Email: [email protected]: www.ksawpf.com
SERVICES Business Links
ARAB WATER WORLD (AWW) www.awwmag.comJune 2011 / Volume XXXV Issue 674
I n d u s t r y C o n t a c t sT r e n c h l e s s T e c h n o l o g y
Aquamec Ltd. P.O.Box FI- SäkyläFinland Tel: + Fax: + E-mail: watermaster@watermaster. http: www.watermaster.Contact Person: Mr. Antti Kalliola - Vice President - Sales
is a multipurpose water construction machine with excellent mobility.
reduces investment operational and maintenance costs since one machine can do the work of many separate machines.
technology is sturdy and reliable. Aquamec has the ISO quality and the ISO environmental
. There are over operating around the world. are manufactured in Finland.
Herrenknecht AGSchlehenweg 2 77963 Schwa-nau Germany Tel: + Fax: + E-mail: [email protected]: www.herrenknecht.comContact Person: Dr. Martin Herrenknecht - Chairman of Board
development resources
Herrenknecht has made a substantial contribution to the enormous strides made in mechanized tunneling over recent years.Our particular strength lies in our unequalled expertise in all tunnelling processes and
over
seek out the best solution for each geological condition and project in order to ensure that our customers’ needs are
HOBAS Engineering GmbH Pischeldorfer Straße 128 Klagenfurt AustriaTel: +43 463 482424 Fax: +43 463 482121 http: www.hobas.comContact Person: Ms. Alexandra Dobnigg - Marketing - Graphics & Press E-mail: [email protected] is a leading supplier of high performance GRP Pipe Systems for applications such as potable water wastewaterhydropower penstocks cooling water lines irrigation and drainage. They can be used for all installation methods (open cut jacking and relining above ground and sea outlets). The product assortment includes circular and non-circular Pipesvarious Coupling SystemsShafts and Manholes TeesBends and other tailor-made Fittings and Accessories. HOBAS GRP Pipe Systems are available in diameters from
mm to mm in various pressure and stiffness classes.
Agents & Distributors:
HOBAS Egypt S.A.E.9 Menis Street El KorbaHeliopolis Cairo EgyptTel: +Fax: +E-mail: @lokma.com.eg
Anabeeb Pipes Manufacturing FactoriesMafraq Industrial Area P.O. Box 46231 Abu Dhabi UAETel: +971 2 5826288Fax: +971 2 5826239E-mail: [email protected]
HOBAS France SAS (for Algeria)12 Chaussée Jules CésarBP 216-Osny 95523 Cergy Pontoise Cedex FranceTel: + Fax: +E-mail: [email protected]
Tracto-Technik GmbH SpezialmaschinenReiherstrasse 2 D-57368 Lennestadt GermanyP.O. Box D-57356 Lennestadt Germany Tel: + Fax: + E-mail: [email protected]: www.tracto-technik.deContact Person: Ms. Carola Schmidt - Export ManagerE-mail: [email protected] machine construction company TRACTO-TECHNIK based in Lennestadt-Saalhausen develops and builds machines for the underground installation and trenchless renewal of pipelines. The customers of this steadily growing market come from all supply areas like gas water electricity and telecommunication as well as the sewage disposal sector.
directional drills and surface excavation machines. Each one includes advanced technologies based on customer input. Plus you can count on expert service and support from the Vermeer network of factory trained dealers and service technicians.
Buyers’ Guide
www.awwmag.com 75
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June 2011 / Volume XXXV Issue 6
INFO Advertisers’ Index
ARAB WATER WORLD (AWW) www.awwmag.com76
Advertisers Websites Page #
American Manufacturing www.american-manufacturing.com 63
Aquamaster www.aquamasterfountains.com 45
ARWADH www.arwadh.com 75
AXEON Water Technologies www.axeonwater.com 21
Bio-Microbics, Inc. www.biomicrobics.com 75
Blue-White Industries www.bluwhite.com 16
DOGUS VANA www.dogusvana.com.tr 13
Emirates Water Technology Co. www.ewt.ae 15
Faggiolati Pumps www.faggiolatipumps.com 5
The Gorman-Rupp Company www.GRpumps.com 75
Hengtai International Co Ltd www.ht-pump.com 75
Layne Bowler Pump Company Inc. www.laynebowler.com.tr IFC
Subscriptions, Editorial, & Media Representatives List
www.awwmag.com 77
All AWW printed & electronic contents are under CPH World Media copyright, no part of this publication can be reproduced by any means without CPH World Media prior to written permission. AWW Logo & Header are trademark material for CPH World Media.
Subscription & MembershipArab Water World (AWW) magazine can be received 12 times per year by subscription. The yearly subscription rate to AWW is: Lebanon $25, Arab Countries, Iran, Cyprus $40, Turkey, Africa & Europe $70 and other countries $95. Further information on multi-year subscription rates and membership privileges can be found on the inserted subscription & membership card. For special student and group/bulk subsription rates, please send your request to Mr. Jad Aboulhosn (Interim Business Development, Circulation & Market-ing Manager) at: [email protected]
Editorial RegulationsSince we always aim at providing our readers with the latest and most essential editorial content, and since we try to act as an information bridge between high-tech countries and developing countries of the MENA region, we hereby mention the conditions for publishing editorial material in AWW, hoping that these instructions will be respected by authors. The AWW editorial material is divided into articles and press releases. The press release is 250 to 750 words, while the article is 1500 to 3000 words. The English article has at its end an Arabic translation (one third of the original article), and vice versa. The article is published for free, and a proper acknowledgement is made at its end. All material submitted to the publisher (CPH World Media) and relating to AWW will be treated as un-conditionally assigned for publication under copyright subject to the editor’s unrestricted right to edit and offer editorial comment. AWW assumes no responsibility for unsolicited material or for the accuracy of information thus received. AWW assumes, in addition, no obligation for return postage of material if not explicitly requested. Editorial material (text & photos) can be sent to Mr. Jad Sarkis, Editor & Researcher by air-mail (see posted address below or email at [email protected] (text as MS Word document accom-panied with two or more images having a resolution of 300 DPI or above).
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Arab Water World (AWW) (ISSN 1015-8332) is published 12 times a year by CPH World Media s.a.r.lCourier Address: Hamra, Commodore, Barouk St., Chatila Bldg (Above Commodore Laundry), 2nd Fl. Beirut-LebanonPostal Address: P.O. Box: 13-5121 chouran - Postal Code: 1102-2802 Beirut-LebanonPhone: +961-1-748333 - Fax: +961-1-352419e-mail: [email protected] - www.awwmag.com
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Radioactive waste decaying down at the dump needs millions of years to stabilize. The element Neptunium, a waste product from uranium reac-tors, could pose an especially seri-ous health risk should it ever seep its way into groundwater - even 5 million years after its deposition. Now, re-searchers at the University of Copen-hagen have shown the hazardous waste can be captured and con-tained. The means? A particular kind of green goop that occurs naturally in oxygen-poor water.
Bo C. Christiansen is a geochemist at the University of Copenhagen who specializes in “green rust”. In a recent article published in the prestigious journal Geochimica et Cosmochimi-ca Acta, Christiansen describes how green rust is able to, so to say, encap-sulate and contain neptunium. It’s an insight that can greatly how and where to dispose of radio-active waste. “Our study shows that even the safest encapsulation of radioactive waste could be made safer if radioactive waste canisters are buried in a place where green rust will form,” explains Christiansen.
Green Problem Made UsefulFor years green rust was perceived as a problem. The substance was inves-tigated primarily by material scientists who wanted to know how to avoid green rust formation in reinforced concrete. In recent years however, a group of chemists, physicists, and ge-ologists at the Department of Chem-istry’s Nano-Geoscience Research Group have been studying the sub-stance’s properties. The results have exceeded all expecta-tions. “Neptunium is a relatively exotic problem. Not a lot of people need to safeguard a radioactive waste depot. But green rust appears to be effective against nearly any kind of-pollution,” says Bo Christiansen.
Green Sludge Can Protect Groundwater fromRadioactive Contamination
By Jes Andersen – University of Copenhagen
Several Shades of GreenGreen rust is a type of clay referred to as an anionic clay. Because it consists of iron which has not entirely rusted, green rust has an electron . This makes it react very readily with other pollutants, some of which are quite prevalent. “A while ago we showed how green rust can react with the car-cinogenic chromium (6) and con-vert it to chromium (3). Besides be-ing non-toxic, chromium (3) is one of the trace elements that the hu-man body needs,” says Christiansen. Easy to Make. Even in NatureLarge quantities of green rust are rarely present at any given moment due to its very high level of reactiv-ity. On the other hand, it’s easy to make. Green rust will form if iron sul-phate and caustic soda are present in water. But it won’t last long. As soon as oxygen is added to the mix, the rust will become ordinary red rust, known by its ochre characteristics. Securing Even Dried Out Canisters Experiments demonstrating green rust’s ability to immobilize neptunium have been conducted partly at SKB - Swedish Nuclear Fuel and Waste Management’s full scale pilot re-search facility at Okskarshamn on the
Swedish east coast and also in part at the Karlsruhe Institute of Technology in Germany.
Advice from the Chemist to the Atomic Waste Industry: Help Nature Clean Itself Typically, radioactive waste is dis-posed of in iron-lined copper canis-ters. This is suitable as long as the can-isters are surrounded by water. How-ever, any future ice-age will draw water levels downwards. Should the copper dry, it will begin to decay. And as the copper disappears, it will only take a short time for the iron to begin rusting away. Ultimately, the radioactive waste gains entry to the groundwater. Therefore, to ensure the security of radioactive waste, green rust could be established to surround the canisters. “Green rust is no quick- to clean up after pollution that suddenly pres-ents itself. But our experiments have shown the surprising result that nature can help to clean itself. Even when the pollution is with a substance as serious as neptunium,” says Bo Chris-tiansen who expects the results to inform and be applied to the design and modeling of future radioactive storage.
:
Dr. Bo C. Christiansen
79
Arab Water World (AWW)“ ”
Renowned the world over as the premier B2B magazine in the MENA region to serve the Water, Wastewater, Desalina-tion, & Energy sectors, Arab Water World (AWW) has been published by CPH World Media s.a.r.l since 1977.
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