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AWWA ACE70593
- Nitrification: It's Not Just in Distribution Systems Anymore
- Conference Proceeding by American Water Works Association, 11/01/2009
- Publisher: AWWA
$12.00$24.00
This powerpoint presentation begins by providing a brief overview of Dallas Water Utilities and a project initiated in 2006 of a comprehensive review ofwater quality issues. Key goals were to:improve disinfectantresidual maintenance;improve biological andchemical stability of water; and,address water qualityissues. Water quality monitoring is presented, along withnitrification control pilot testing, water treatment plant evaluations, andbiological filtration pilot testing. Presentation conclusions indicate that: maintain chlorine to ammoniaratio of 5 to 1 within plantand in the distribution system;monitor and account forammonia from source waterand recycle streams;consider in-plantnitrification controloperational measures; and,chemically and biologicallystabilize the finished water. Includes tables, figures.
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