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AWWA ACE68864
- The Role of Zinc in Orthosphosphate-Based Corrosion Control Programs
- Conference Proceeding by American Water Works Association, 11/01/2008
- Publisher: AWWA
$12.00$24.00
This powerpoint presentation begins by providing a brief overview of the study issue:ZOP expensive and results in discharge of zinc into environment;a change in corrosion control could trigger a 6-fold increase inmonitoring.The study solution included the following:conduct paper study on effect of zinc and phosphate on corrosioncontrol;conduct pipe loop testing to examine reduced and non-zincorthophosphate alternatives; and,convert systems gradually over time to orthophosphate, using theroutine monitoring to detect any changes in lead or copper levels. The testing program is presented, along with a statistical analysis, a summary of cost benefits and potential benefits, ongoing issues and research, and conversion plans. Includes tables, figure.
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