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A Comparison of Operating Strategies – Chlorine vs UV

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Abstract:

City of Scott's Valley owns and operates a 1.5 mgd activated sludge wastewater treatment plant. Currently about 0.3 mgd of the secondary effluent is diverted to the recycled water facility.

Two chlorine disinfection alternatives (both using liquid sodium hypochlorite) and UV disinfection were considered to all the facility to achieve high level (Title 22) disinfection requirements from the recycled water facility. Alternatives were evaluated on the basis of capital cost, operability, O&M costs, maximization of existing facilities, and potential for future expansion. The existing sodium hypochlorite system was left in place for effluent discharged to the receiving stream.

With two disinfection systems on site, the City was able to compare the actual operating cost of both chlorine and UV.

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864706783761464

Publication date: January 1, 2006

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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 These proceedings are not peer reviewed.

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