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OPSIS Gas Monitoring Systems
Your Partner for Gas Monitoring Solutions
www.opsis.se
OPSIS ABA Swedish Environmental Technology Company, providing:
• Air quality monitoring systems using open-path technology
• Air Quality Management Software Tools
• Continuous Emission Monitoring Systems
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• Founded in 1985
• Located in Furulund, south of Sweden
• 55 employees
• Represented worldwide
OPSIS AB
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Our Skilled Distributors• Attend Opsis technical
training courses at least oncea year to keep up the highknowledge about oursystems.
• Knows the installationprocedures.
• Offer service andmaintenance.
• Are well educated in bothhardware and software.
• Has direct contact with therespective marketing managerin Sweden.
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CEM AQMData management and modelling
Major Application Areas
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AQM Applications• Urban trend monitoring (“roof top”)
• Fence-line monitoring of fugitive emissions
• Street-level monitoring
• Airport monitoring
• Background monitoring
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OPSIS Products
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Fibre Optic Cable
Emitter Receiver
Analyser
NO2
O3
SO2
DifferentialOpticalAbsorptionSpectroscopy
OPSIS DOAS Open Path
BTX
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DOAS Analyser
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Emitter and Receiver Set
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Criteria pollutantsSO2
NO2
NOO3
Aromatic HCBenzeneTolueneStyrene
EthylbenzeneXylenesCresols
TrimethylbenzenesMonochlorbenzene
Dichlorbenzene
Smelling compoundsNH3
CS2
TrimethylamineFormaldehydeAcetaldehyde
Phenol
Compounds Measured by Opsis DOAS
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Mercury (Hg0)
Phosgene (COCl2 )
Chlorine (Cl2)
Sulphur Trioxide (SO3)
Hydrogene Fluoride (HF)
Hydrogen Chloride (HCl)
Hydrogene Cyanide (HCN )
Methylisocyanate (MIC)
Special Opsis DOAS Compounds
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OPSIS DOAS Benefits• No sampling system, pumps, filters or scrubbers
• Low maintenance and operational costs
• Multiple gas capability
• Multiple path capability
• Superior area coverage
• High performance
• Integrated signal handling system
• Long life time
• Internationally approved
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TÜV, Germany• SO2• NO2• O3
• Benzene• PM10
Gosstandard, Russia• SO2
• NO• NO2
• O3
• H2S• NH3
• CO• Cl2
• HCl• Styrene• Benzene• Toluene• Phenol• Formaldehyde• HF• CH4
C.N.R., Italy• Benzene• SO2• NO2• O3• PM10
U.S. EPAThe Opsis system is designated equivalent to 40 CFR.
• SO2, NO2, O3
MCERTS, UK• SO2• NO2• O3
• Benzene• PM10 (pending)
Approvals AQM
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OPSIS Laser Diode Gas Analyser
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LD500 Laser Diode Gas Analyser
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• Operates with a minimum of maintenance
• Fast response time (~ 1 sec)
• Multiple paths (1-8)
• Multiple gases (NH3, HF, HCl, O2, CO2, H2S, CH4, H2O…)
• Long fibre cable lengths (< 1 km)
• Low detection limits
• Semiconductor laser = reliable, long lifetime
• Automatic optical alignment
• Calibration equipment
• I/O signals with IO256 and IOMan modules
• Built-in serial communication and modem
Features of LD500
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SM200 Particulate Monitor
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• Automatic particulate monitor and sampler
• TSP, PM10, PM2.5 and PM1.0
• Tested and approved within the European Union
• Samples on 47 mm filters for further lab analysis(such as led, cadmium etc.)
• Several hundreds of installations
Features of SM200
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Data acquisition and validation
Emission calculations, presentation and reporting
Advanced analysis of data
Dynamic emission database
GIS and dispersion modelling
Air quality forecasts
Export to Intranet/Internet
Software Products
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• Monitoring the air quality for compliancewith directives/guidelines
• Monitoring fugitive industrial emissions
• Providing a fast and sensitive gas alarmsystem
Three functions in one package:
The Fence-line Monitoring Concept
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Configuration Example
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• Provides useful information on general air quality, but also on specificindustrial fugitive emissions.
• Provides useful information for air quality management and ISO14000 compliance.
• Will give extensive information on export and import of gaseouscompunds to and from neighbouring areas.
• Provides alarms in case of gas leaks or accidential releases.
• Detection and actions against gas leaks and fugitive emissions costsavings.
Features of Fence-line Monitoring
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Fence-line monitoringusing 3 × 3 DOAS paths
Case Study – Biferno, Italy
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• The problem: Several industries in a valley creating high pollutionlevels.
• The objectives: Finding efficient monitoring techniques that can beused for monitoring multiple paths and a large number of gascompounds, and a software tool for managing obtained data.
• The solution: Advanced monitoring stations in a fence-lineconfiguration using DOAS open-path monitors in combination withEnviMan software.
Why Choosing Opsis?
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Type of industries and fugitive Emissions:
• Automotive – Formaldehyde, HC
• Sugar factory and refinery – NOx, SO2, H2S
• Various chemical industries – Phenols, CS2, NH3
• Food industry – Various HC
Industries and Emissions
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DOAS:SO2, NO2, NO, O3, NH3, Benzene, Toluene, P-xylene,Styrene, CS2, Formaldehyde, Acetaldehyde, Phenol, HCl, HF,Hg0, O-, M- and P-Cresol
Meteorological:Wind speed, wind direction, temperature, pressure, humidity andglobal radiation
Others:CO, GC ( PAH), PM10
Parameters Monitored
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The Opsis open-path stations are using motorized receivers (RE130)to monitor 3 light paths at each station.
The emitters used in this application are of the model EM150,designed for a maximum path length of 2000 m.
The AR520 analysers can handle both UV and IR absorption.
Monitoring Equipment
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Air-conditioned shelter
Metereological mast with sensors
Motorized receiver (operating3 monitoring paths/emitters)
Station Design
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View of the Emitter
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Station with Shelter and RE130 Receiver
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The major sources of SO2 could be identified at ”WITCO”using Breuer diagram with SO2 and wind information
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The major sources of Toluene could be identified at ”STS”using Breuer diagram with toluene and wind information
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Modern technologies such as the open-path DOAS monitoring systemcan provide important information on the pollution situation in andaround industrial estates, such as:
• How residential areas are affected by specific industrial emissions
• Import and export of pollution in the area
• Locations of the most significant sources of pollution
• Concentrations of gases to be compared with guidelines and healthlimits
• A database for future planning and decision-making
Conclusions
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Runway
Gateway
Control tower
AnalyserReceiverEmitter
Gases monitoredBenzene, toluene, 1,2,4-trimethylbenzene,1,3,5-trimethylbenzene, NO, NO2, SO2
200 m
Cologne, Germany
Copenhagen, Denmark
Düsseldorf, Germany
Greece
Toronto, Canada
Zürich, Switzerland
OPSIS Monitoring at Airports
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Receiver Analyser
Analyser
Emitter1) 5 m elevation
2) 15 m elevation
Receiver
Emitter
20 m
20 m
Location:China
Parameter:Methylisocyanate
Chemical Plant
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800 mPlant Area
Village
CS MonitoringLocation: Valkeakoski, Finland
Parameter: CS
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1300 m
300 m
Plant Area
800 m
Fertilizer and Chemical PlantLocation: Norway
Parameters: Hg, Cl2, NH3, NO, O2, NO2, SO2
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Receiver Analyser
Emitter
Receiver
Emitter
300 m
300 m
MX Refinery 1Location: Belgium
Parameter: Benzene
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800 m
2
Plant Area
Refinery 2Location:Saudi Arabia
Parameters:NO, NO2, BTX, HF, HCl, CS,Phenol, Formaldehyde
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Receiver
Analyser
Emitter
1000 m
Plant Area
Waste IncineratorLocation: Florida, the U.S.
Parameter: Hg
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