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ULTRAVIOLET DISINFECTION OF REVERSE OSMOSIS PRODUCT WATER FOR GROUNDWATER REPLENISHMENT IN CALIFORNIA

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Abstract:

This presentation discusses a state-of-the-art project to reclaim wastewater effluent currently discharged to the Pacific Ocean for groundwater replenishment in Orange County, California. The project will include microfiltration, reverse osmosis (RO), and ultraviolet (UV) disinfection for treatment, and pumping and distribution of the product water for aquifer replenishment and saltwater intrusion barrier injection. The evaluation and selection of UV disinfection equipment for the project is discussed below. The project will reduce Orange County's dependency on imported water supplies in the future, and result in increased efficiency in water use and reclamation in water-short Southern California. A critical new issue is the concurrent use of UV disinfection equipment for destruction of N-Nitrosodimethylamine (NDMA) by photolytic degradation.

Document Type: Research Article

DOI: https://doi.org/10.2175/193864702785033905

Publication date: 2002-01-01

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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 These proceedings are not peer reviewed.

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