ALTERNATIVE DISINFECTANTS EVALUATION FOR COMBINED SEWAGE OVERFLOW (CSO) : DETROIT BABY CREEK CSO CASE STUDY
Abstract:Overflows from combined sewers (CSO) during storm events result in the discharge of untreated wastewater to receiving waters. Disinfection of CSOs is required under the U.S.EPA 1994 CSO Policy and the Michigan Department of Environmnental Quality (MDEQ) regulations for full body contact protection. The City of Detroit Water and Sewerage Department (DWSD), as part of its NPDES permit is required to construct a treatment facility for CSO from the Baby Creek outfall that includes disinfection, screening and floatable materials removal for the 10-year 1-hour storm event. CSOs disinfection is normally achieved through the use of chemical agents, primarily liquid sodium hypochlorite. Several chemical disinfectants that are potentially feasible for CSO application were evaluated in bench testing and their results are reported.
Document Type: Research Article
Publication date: 2001-01-01
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