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AWWA WQTC63952
- Case Studies on Nitrification
- Conference Proceeding by American Water Works Association, 11/01/2006
- Publisher: AWWA
$12.00$24.00
This slide presentation outlines several case studies on nitrification. Within these studies, the effect of water quality is broken down into temperature, pH, chloramine residual, and Cl<sub>2</sub>:NH<sub>3</sub>-N ratio. The effect of preventive measures involved: adjusting water quality;distribution system operational practices;decrease water age;remove sediments from pipes and reservoirs;flushing program (unidirectional, dead-ends);implement corrosion control program;frequency of fill cycles in reservoirs;free chlorination;add low doses of chlorite (ClO<sub>2</sub> or ClO<sub>2</sub>-);Nitrification Action Plan and monitoring.The effect of corrective measures involved: operational responses;breakpoint chlorination;entire distribution system;targeted areas;decrease water age,reservoir cycling/turnover/mixing, andreservoir draining and disinfection; flushing (unidirectional, spot, dead-ends).
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