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AWWA WQTC64007
- Primary Disinfection, Ozone - Utah's First: Compliance and Operational Start-up Issues
- Conference Proceeding by American Water Works Association, 11/01/2006
- Publisher: AWWA
$12.00$24.00
This slide presentation begins with background information on Little Cottonwood Water Treatment Plant(LCWTP), information on ozone basics, and reasons for using ozone. Operational issues are outlined including byproducts and manganese. A manganese pilot study is outlined, with lessons learned being: alarms and shutdowns of the ozoneoperating system; and, suspected analyzer or catalyst failureand ran a fairly expensive lab test to checkfor organics that might interfere with theanalyzer. Simple solutions included:a differential pressure meter on the ozone destructunit is equipped with a bypass valve; and,the bypass needed to be closed. Further topics covered include: ozone regulations; contact time; concentration; time X concentration; preconstruction; ozone study; T<sub>10</sub> analysis; ozone sampling and decay; ozone decay study; ozone residual study and matrix; decay constant K; and, residual study and analysis. Includes tables, figures.
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