Clean & Drinking Water Analysis
Measuring Impurities
Continuous on-line monitoring can be used to alarm unacceptable deviations from established control points and to ensure quality standards are maintained.
Potable Water Production
Raw water must be treated to make it "wholesome" or suitable for consumption. The physical, chemical and biological nature must often be improved, which otherwise would impart health risks when consumed and unacceptable taste and odour characteristics.
In addition to chlorination, ozonation or UV sterilisation, filtration is used to remove suspended solids and even provides a physical barrier to pathogens such as Chryptosporidia. Coagulation and pH correction may also be used to improve water quality.
On-line instrumentation is now widely deployed for across the production site to measure and control treatment processes.
Depending upon the treatment used, the key water quality parameters would be:
Intake Protection (raw water monitoring)
- Turbidity
- pH, conductivity & DO
- Ammonia
- Nitrate
- TOC
- Colour
- Oil on water
Process Control
- Turbidity
- Free Chlorine
- pH
- UVT
Final Treated WaterTurbidity
- Turbidity
- Free Chlorine
- pH
The instrumentation designed for drinking water measurement may be supplied as loose product or pre-mounted onto back-panels complete with all the necessary plumbing.
Boiler Water and Condensate Return
Water recycling to reduce consumption has significant financial benefit. The Protoc® TOC analyser has been installed to monitor the quality of recovered wash water and condensate return pre and post treatment. Boiler water also needs to be closely monitored especially for trace DO and pH to protect against corrosion. Some applications also require detection of free oil in water.
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