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Evaluation of the Effectiveness of UV Disinfection of CSO Processed Through CDS Technologies

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The Louisville and Jefferson County Metropolitan Sewer District has installed two Continuous Deflective Separation (CDS) devices. These devices were installed for control of solids and floatable material at overflow locations. The first installation was at a small overflow location (CSO 50). A much larger facility was installed at CSO 108. During the design and construction of the CSO 108 CDS installation, a preliminary study of the application of UV disinfection to CDS effluent was performed at CSO 50. This study, titled Evaluation Of The Applicability Of UV Disinfection To CSOs Processed By A CDS Unit dated June 29, 1999, used collimated beam tests on batch samples of the CSO 50 effluent. This preliminary study found that a three-log reduction of Fecal Coliforms may be possible from UV treatment of CDS effluent. The study recommended that two additional wet weather events should be evaluated using the CSO 108 facility when it became operational.

Document Type: Research Article


Publication date: 2002-01-01

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