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Disinfecting Secondary Wastewater Effluent Using the CT Approach

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The Metro Wastewater Reclamation District (District) is completing disinfection improvements at its Robert W. Hite Treatment Facility (RWHTF) to convert from a gas-based chlorine and sulfur dioxide system for disinfection and dechlorination to a liquid-based system using sodium hypochlorite and sodium bisulfite. The new system will be operated using the CT disinfection approach—a process widely used for drinking water disinfection, but with limited applications in wastewater treatment plants to date. This paper describes the CT approach for disinfection of secondary wastewater effluent at the RWHTF and how it was implemented as part of the plant's conversion to a liquid-based disinfection and dechlorination system.

Document Type: Research Article


Publication date: 2008-01-01

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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