Application Note
Water Quality Monitoring: Turbidity Monitoring In Drinking Water Treatment Plants
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•Application Note: Turbidity Monitoring In Drinking Water Treatment Plants
Turbidity, or the relative clarity of a liquid (in this case drinking water), is caused by the presence of microscopic particles such as clay, silt, or other fine undissolved matter. When water is treated for human consumption, its clarity becomes a critical matter. Microscopic particles, even at a very low concentration, can promote microorganism growth, which can inhibit the chlorination process that helps disinfect and purify our water. Measurement of turbidity has become the leading indicator of drinking water quality. When monitored and used as a control parameter, online turbidity measurements can provide key benefits to a municipal drinking water treatment plants operation. How?
- By determining incoming or raw water quality to the treatment facility
- By guiding plant operators in a treatment plan via water quality checks throughout the plant
- By helping improve plant efficiency and optimizing proper chemical coagulant dosage
- By providing the assurance of the production of quality safe water for public distribution
- By indicating compliance with current drinking water regulatory standards
Process
The initial treatment stages in a drinking water plant deal with incoming raw water. Raw water turbidity monitoring, usually in the range of 0-200 NTU, provides a good indication of the solids loading entering the plant.
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•Application Note: Turbidity Monitoring In Drinking Water Treatment Plants
