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AWWA ACE65138
- Water Quality Impacts of Disinfectant Switching Practices at Pilot and Full-Scale
- Conference Proceeding by American Water Works Association, 06/01/2007
- Publisher: AWWA
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The primary goal of this project was to improve the understanding of how water quality changes as a result of a temporal switch from a monochloramine residual to a free chlorine residual.Research tasks included:sampling of full-scale distribution systems;pilot-scale experiments; and,batch experiments. Topics outlined include: Nitrification in Chloraminated Distribution Systems; Ammonia production in chloraminated systems; Nitrogen Cycling in the distribution system; Sequence of Events Leading to Nitrification; how utilities manage nitrification episodes; Control Strategies - Free Chlorination; strategy for Full Scale Distribution System Sampling; strategy for Pilot Scale Experiments; and, strategy for batch experiments. Includes tables, figures.
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