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Published byNestor Colby Modified over 10 years ago
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Aquascan
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Aquascan - Introduction Aquascan is an online instrument capable of simultaneous multi-parameter measurement for a full range of water quality parameters. Developed by Hyder Consultancy in the early 1990’s. In 1996 Siemens purchase manufacturing rights and undertake further development of product.
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Common Problems Reported by Users of conventional on - line analysers Sampling - Sample lines, Internal tubing Filtration - Lost sample, maintenance Reagents- Cost and H & S Risk Sample Size- Sample often l volumes
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Customer Feedback Ideal Continuous Monitor Trend Monitor for Early Warning No sample Pre-treatment Rapid Response Reagent Free Low Maintenance Low Cost of Ownership
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Direct measurements :- pH Sample Temperature (deg C) Conductivity (uS) UV254 Absorption UV313 Absorption UV405 Absorption Infra Red Absorption Infra Red scatter Ion Selective Electrode (Ammonium)
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Flow cell plate
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Derived parameters :- Biochemical Oxygen Demand (mg/l) Chemical Oxygen Demand (mg/l) Total Organic Carbon (mg/l) Ammonia (mg/l) Total Suspended Solids (mg/l) Turbidity (NTU) Colour (Hazen)
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Sample Drain Debubbler Vent Water Supply Water Container Biocide Container P High Pressure Pump Biocide Pump Drain Flowcell Drain Calibration Pump Sample Pump Sample Cycle
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Cleaning Cycle Jet Wash
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Cleaning Cycle Ram Return
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Sample Drain Debubbler Vent Water Supply Water Container Biocide Container P High Pressure Pump Biocide Pump Drain Flowcell Drain Calibration Pump Sample Pump Calibration Cycle
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Display
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Aquascan Correlation COD
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Aquascan Correlation BOD
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Aquascan current installations Yorkshire WaterWaste Water Treatment - Final Effluent Monitoring Hyder Industrial Waste Water Treatment - Final Effluent Monitoring Great Marsh (Fuel additives)Groundwater Monitoring Arjo Wiggins (Paper Manufacture)Effluent & In-process Monitoring Stevensons (Textile Manufacture)Effluent Monitoring Irish Distillers (Brewery)Effluent Monitoring ICG (Norway)River Monitoring Rockbourne Environmental (Landfill)Landfill Leachate Monitoring Hyder Waste Water Treatment - Inlet Monitoring Lyonnaise des Eaux, FranceWaste Water Treatment - Inlet Monitoring Bournemouth & West Hants WaterRiver Monitoring DynachemEffluent Monitoring
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Environmental Protection Consent monitoring Historical data Public image Responsible behaviour
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Textile Company
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Culvert
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Power Station Cooling Water Local Wastewater Treatment Plant Final Effluent Intake Control Dosing Control Return cooling water
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Brewery Sample inlet Capacity 200l min Header tank 15l/min@5 m head Pump overflow
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Engine Manufacturer
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Dairy Products - Milk
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Landfill leachate Batch Sequenc e Reactor Sample pit Effluent Treatment Final Effluent leachate
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Process Monitoring Process Optimisation Discharge Savings Intake protection Environmenta l Protection
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River monitoring
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Aquascan Process Alarm Alarms Consent Limit High Alarm Warning Parameter Concentration
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AquascanConfiguration Pum p Effluent channel or pipe Flow or Other Analyser Input Analogue Outputs Alarm Output 110/240 v Clean Water Communicatio ns Sampl e Waste I/ F Aquabase Aquascan
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Aquascan sample float FLOW Sample IN Sample OUT
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Aquascan inlet monitoring
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Aquascan sample lance
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Sample Inlet - Hockey stick perforated lance
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Aquascan Multi channel option
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AquascanConfiguration Pum p Effluent channel or pipe Flow or Other Analyser Input Analogue Outputs Alarm Output 110/240 v Clean Water Communicatio ns Sampl e Waste I/ F Aquabase Aquascan
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Aquascan Services Power Supplies –110 -115Vac 50Hz, rated 600 VA –220 - 230Vac 50Hz, rated 600VA Water Supplies –Clean water if available –Internal 30l container; replenish as required Drain –Local floor drain or gravity return to process
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Aquascan Service and Maintenance Designed for minimum maintenance –Accept whole samples with up to 3mm in size particles –Programmable automatic wash cleaning cycles Routine Check:approximately 1 hour per month –Check condition of peristaltic sample pipes –General inspection Service Interval:every Three months –Engineer visit –Calibration check
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