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AWWA WQTC65919
- DAF: Water Quality Considerations and the World's Largest DAF Plant
- Conference Proceeding by American Water Works Association, 11/01/2007
- Publisher: AWWA
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The purpose of this powerpoint presentation is to discuss implementation of dissolved air flotation (DAF) at theNew York City Croton Filtration Plant, and to make recommendations to utilitiesregarding water quality considerationsand design criteria for the use of DAF. The presentation begins by providing a brief overview of the Croton system, along with the primary treatment objectives that include:disinfection;particle removal;natural organic matter removal (for DBPcontrol); and,iron and manganese control. Process selection is presented and includes: raw water quality;contaminants of concern; pilot studies; and,membranes.Design criteria, current status andrecommendations are also covered. Includes tables, figures.
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