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Optimum control of chloramine in water distribution systems

Project Number # 1032

Optimum control of chloramine in water distribution systems

Project Leader:  Graeme Dandy

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The aim of the project was to develop an advisory control system for setting the chlorine and ammonia dosing rates at a water treatment plant (WTP) for chloraminated water distribution systems (WDSs), such that specific chlorine and ammonia levels in the WDSs could be achieved to both maintain good water quality and avoid nitrification. An advisory control system could help WTP operators to improve disinfectant dosing operations by optimising chemical usage, minimising customer complaints and providing steady/consistent residuals to customers. A customised advisory control system could also assist in early identification of the onset of problems or “incidents”.

Project Documents