AWWA ACE68716

AWWA ACE68716 UV and Chloramination Kill the Bugs and Stops DBPs in Ketchikan, AK Water
Conference Proceeding by American Water Works Association, 11/01/2008

Nicholson, Enoch; Kleinegger, John; Damron, Floyd; Ervin, Kim

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This powerpoint presentation begins by providing a brief overview of Ketchikan, Alaska, Public Utilities, and regulatory evaluations for compliance with surface water treatment and disinfection byproduct (DBP) rules. The use of SelectableAmmonia Injection Points for DBP Control was evaluated, along with two other alternatives for DBP control: One Ammonia Injection Pointwith booster Chlorination; and, ultraviolet (UV) for Primary Disinfection andChloramines for Residual. UV and Chloramination Final Design are presented, along with Construction and Operation Optimization. Includes figures.