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Aquascan. Aquascan - Introduction Aquascan is an online instrument capable of simultaneous multi-parameter measurement for a full range of water quality.

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Presentation on theme: "Aquascan. Aquascan - Introduction Aquascan is an online instrument capable of simultaneous multi-parameter measurement for a full range of water quality."— Presentation transcript:

1 Aquascan

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3 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.

4 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

5 Customer Feedback Ideal Continuous Monitor Trend Monitor for Early Warning No sample Pre-treatment Rapid Response Reagent Free Low Maintenance Low Cost of Ownership

6 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)‏

7 Flow cell plate

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12 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)‏

13 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

14 Cleaning Cycle Jet Wash

15 Cleaning Cycle Ram Return

16 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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19 Display

20 Aquascan Correlation COD

21 Aquascan Correlation BOD

22 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

23 Environmental Protection Consent monitoring Historical data Public image Responsible behaviour

24 Textile Company

25 Culvert

26 Power Station Cooling Water Local Wastewater Treatment Plant Final Effluent Intake Control Dosing Control Return cooling water

27 Brewery Sample inlet Capacity 200l min Header tank m head Pump overflow

28 Engine Manufacturer

29 Dairy Products - Milk

30 Landfill leachate Batch Sequenc e Reactor Sample pit Effluent Treatment Final Effluent leachate

31 Process Monitoring Process Optimisation Discharge Savings Intake protection Environmenta l Protection

32 River monitoring

33 Aquascan Process Alarm Alarms Consent Limit High Alarm Warning Parameter Concentration

34 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

35 Aquascan sample float FLOW Sample IN Sample OUT

36 Aquascan inlet monitoring

37 Aquascan sample lance

38 Sample Inlet - Hockey stick perforated lance

39 Aquascan Multi channel option

40 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

41 Aquascan Services Power Supplies – Vac 50Hz, rated 600 VA – Vac 50Hz, rated 600VA Water Supplies –Clean water if available –Internal 30l container; replenish as required Drain –Local floor drain or gravity return to process

42 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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