AWWA ACE68963

AWWA ACE68963 Development of Chlorite CT Equation for Nitrification Inhibition
Conference Proceeding by American Water Works Association, 11/01/2008

Rungvetvuthivitaya, Mongkolaya; Song, Rengao; Campbell, Mark; Wang, Jack; Ray, Chittaranjan

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Direct application of chlorite into water distribution systems has been shown to be aneffective alternative to minimize nitrification. Experiments were conducted to investigatethe inhibition of the ammonia oxidizing bacteria activity in batch scale. Theconcentration-contact time (CT) concept was applied to explain the rate of activity duringthe nitrification inhibition. A 99% inhibition of activity was used as criteria to develop aCT equation. Includes 7 references, tables, figure.