• AWWA ACE70593

AWWA ACE70593

Nitrification: It's Not Just in Distribution Systems Anymore

American Water Works Association , 11/01/2009

Publisher: AWWA

File Format: PDF

$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 of water quality issues. Key goals were to: improve disinfectant residual maintenance; improve biological and chemical stability of water; and, address water quality issues. Water quality monitoring is presented, along with nitrification control pilot testing, water treatment plant evaluations, and biological filtration pilot testing. Presentation conclusions indicate that: maintain chlorine to ammonia ratio of 5 to 1 within plant and in the distribution system; monitor and account for ammonia from source water and recycle streams; consider in-plant nitrification control operational measures; and, chemically and biologically stabilize the finished water. Includes tables, figures.

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