AWWA ACE68672

AWWA ACE68672 Demonstration of Bromate Mitigation Using Carbon Dioxide and the Innovative Chlorine/Ammonia Process
Conference Proceeding by American Water Works Association, 11/01/2008

Eberle, David; Passantino, Laurel; Chowdhury, Zaid; Bezy-Botma, Linda; Kerns, John; Kurrus, Joe

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This powerpoint presentation begins by presenting background information on the bromate mitigation project, including: plant operation prior to study; bromate formation; and, an initial study done in 2006-2007. Bromate mitigation objective included: demonstrate Bromate Mitigation Strategies atfull-scale level; pH depression via COsub2/sub addition; and,Clsub2/sub/NHsub3/sub addition. The Bromate Mitigation Testing Layout is presented, along with demonstration testing, preliminary COsub2/sub data analysis COsub2/sub testing results (pH = 7.2) and (O3/TOC = 1.0), COsub2/sub dosing, observations of COsub2/sub testing, Clsub2/sub/NHsub3/sub additional testing, status and results (bench-scale), and TTHM formation (Bench-Scale). Includes figures.