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Wastewater Process Modification to Improve UV Disinfection

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Total suspended solids (TSS) in wastewater effluent can have negative impacts on ultraviolet (UV) disinfection. This paper focuses on defining the role of TSS characteristics on the efficiency and efficacy of UV disinfection, and how to improve treated wastewater effluent TSS to optimize UV disinfection of wastewater effluent. Data from several different types of wastewater facilities is presented, showing the relationship between type of biological treatment process and particle size distribution. Using this information, it is possible to identify wastewater process improvements in addition to tertiary filtration, which can be implemented to improve treated effluent quality and subsequently the efficiency of UV disinfection. A discussion of the biological process improvements that can be implemented to improve TSS conditions making UV disinfection feasible is discussed and a case study using this approach is presented.

Document Type: Research Article


Publication date: January 1, 2012

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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 These proceedings are not peer reviewed.

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