Sewage Treatment in accordance with the new MEPC.159(55)
Water Treatment Solutions for
Offshore Applications
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RWO GmbHMArine WAter technologythalenhorststrasse 15 A 28307 Bremen/germanyPhone: +49 421 537050 Fax: +49 421 [email protected] www.veoliawater.com
Discharge limits Description MEPC.2(VI) Alaska RWO SMT RWO Memrod® MEPC.159(55)
Faecal-ThermotolerantColiforms <250/100 ml 200/100 ml 62/100 ml 2/100 ml 100/100 ml
Suspended Solids < 50 mg/l 30 mg/l 3 mg/l 10 mg/l 35 mg/l
BOD5 < 50 mg/l 30 mg/l 7 mg/l 3 mg/I 25 mg/l
COD — — 54 mg/l 25 mg/l 125 mg/l
Chlorine — 10 g/l — — 0,5 mg/l
From January 1st 2010, new and more stringent limit values will come into forcefor effluent water from marine sewage treatment plants.
low chemical and energy consumption
very safe operation
standardised or custom made, economical and compact “plug & play”
RWO‘s family of wastewater treatment systems has been complemented to fulfil the new MEPC.159(55):• the membrane sewage treatment series SMT
(Submerged Membrane Technology)• and biological wastewater treatment series WWT-LC
(Low Chlorine)• MEMROD® process (MEMbrane Reactor Operation
Device) for larger capacities and custom-made systems
The technologies permit both black and grey as well as galley wastewater to be treated in a single reactor sys-tem. The effluent levels for the Membrane Bio-Reactor (MBR) based sewage treatment systems are better than the requirements of the International Maritime Organiza-tion (MARPOL, Annex IV) and both the future standards MEPC.159(55) and the USCG/Alaska-Rules 33.CFR 159.309.
Wastewater Treatment System
Worldwide sales and service network
Sales agentService agent
Sales and service agentRWO headquarter
RWO Marine Water Technology is specialised in water and wastewater treatment since 1975. More than 13,000 water treatment systems have been installed worldwide on ships and offshore intallations since then.
Reverse Osmosisfor Offshore
SRO 50 m3/d offshore plant
Reverse osmosisseawater desalination
systems for independent and reliable fresh water supply on Offshore Plat-
forms, FPSO andFSO vessels.
RWO’s network of more than 50 qualified sales and service stations around the world is taking care of our customers and provides after sales service at its best.
RWO benefits from its affiliation with the parent company Veolia Water Solutions & Technologies, the world leader in water treatment. With more than 130 subsidiaries in over 57 countries, the group specialises in water and wastewater treat-ment technologies for municipalities and indus-tries and generate a turnover of more than Euro 2.5 billion per year.
Within the group, VWS Westgarth are the wa-ter treatment specialists in Offshore Oil & Gas. World leaders in seawater sulphate removal (SRP) and expertise in produced water treatment, they focus on turnkey design & build projects.
RWO’s objective is to provide reliable and
long-lasting equipment. The reverse osmosis
plants are designed for automatic operation and
require little or no maintenance.
Oil/Water SeparationThe SKIT/S-DEB oil/water separator complies with the actual IMO Resolution
MEPC.107(49) using the combination of the highly effective open porous coa-
lescer together with a second stage emulsion breaking oil and hydrocarbon
polisher. Periodic back-flushing keeps the coalescer surface clean and offers
long lasting operation without requiring attendance and maintenance.
Our reverse osmosis units come with a built-in concentrate displacement, which will extend the membrane operation cycle. Additionally a chemical cleaning device is provided with the system in or-der to make cleaning of the membranes easy. RWO’s RO systems are completely assembled on a skid ready for operation.All SRO units are full scale tested with salt water prior to delivery. A work’s certificate showing all performance data comes with the equipment.The standard RWO reverse osmosis units feature:
automatic backwash filter
dosing system for scale inhibitor
fine filter
high pressure pump
high performance RO elements
salinity control
control panel with PLC for automatic operation
automatic concentrate displacement device
CIP-cleaning in place system
Optional scope of supply:booster pump and strainerUV disinfection systemdosing system for chlorine disinfectionchlorine controldechlorination unitmineraliserfurther demineralisation by RO or ion-exchange
all required capacities
perfect water quality
compact design
easy to install and easy to operate
type approved acc. to IMO Resolution MEPC.107(49) by USCG, SBG, MED, MRS, CCS
class notations “Clean Design” and Alaska- Rules conformity
complying with 5 ppm standard
EMV-Electromagnetic Compliance
all class certificates
filtration effect
easy to handle & safe operation
most economic operation
Container Unit, type SRO 300 m3/d, built in a 30 ft. insulated container incl. heating and ventilation for outdoor installation on a north sea platform.
RWO provides the full range of water treatment equipment for Offshore application
Process Water Treatment•seawaterdesalination •boilerfeedwater •gasturbineinjectionwater •coolingwater •steamcondensate •mineralisers&deminunits •automaticbackwashfilters
Waste Water Treatment•oilywaterseparators •sewagetreatmentplants
Fresh Water Treatment•ROreverseosmosissystem •UVsterillisers •mineralisers&softeners •chlorination&de-chlorination
Ballast Water Treatment
Certified QualityManagement
for RWO products
SRO 2 x 42 m3/doffshore plant
Oily Water Separator SKIT/S-DEB 5.0