Ozone and Ozone/Peroxide for Reclaimed Water Disinfection

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Abstract:

PROBLEM

When it comes to water reclamation, the primary concern is pathogen disinfection, with secondary concerns of reducing disinfection by-product (DBP) formation. Potable reuse and other politically and ecologically sensitive reclamation projects go a step further, requiring an advanced oxidation process to achieve disinfection as well as microcontaminant and DBP destruction. Chlorine disinfection, while effective for bacteria inactivation, has substantial performance shortfalls for virus and protozoan inactivation. Virus inactivation with chlorine is dependant upon nitrogen speciation. In the recent history of water reuse, UV has been the ONLY recognized alternative to chlorine disinfection commonly used for water reuse projects, while UV/peroxide is the ONLY recognized choice for advanced oxidation. There is a definitive need for another proven non-chlorine disinfection and advanced oxidation process. Ozone and ozone/peroxide may be that alternative.

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864705783858909

Publication date: January 1, 2005

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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 These proceedings are not peer reviewed.

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