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The HiPOx® Advanced Oxidation Process: A Versatile, Efficient, and Waste-Free Alternative for Recycled Water Disinfection and EDC Destruction

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Abstract:

Wastewater recycling and reuse represent a major opportunity for communities to lessen their demand impact or even restore freshwater supplied. However, the increased demand for reuse projects has highlighted the importance of adequately addressing the potential environmental and health impacts posed by trace organics such as pharmaceutical and personal care products (PPCPs), industrial micropollutants, and endocrine disrupting compounds (EDCs). Wastewater treatment facilities are now faced with the challenges of simultaneously addressing both disinfection and removal of emerging trace organics in their treatment schemes. Having recently achieved California Department of Health Title 22 approval for unrestricted water reuse, the HiPOx process is among the first technologies to meet these simultaneous needs. HiPOx is an ozone-based advanced oxidation process utilizing either ozone alone or ozone with hydrogen peroxide to efficiently generate hydroxyl radicals, the most powerful oxidant used in water treatment. This paper will present data from the recent Title 22 certification study, and other projects that demonstrate both disinfection and and trace organics destruction. Finally, the paper will illustrate how HiPOx can be incorporated into new process trains, or flexibly retrofitted into existing systems to improve the health and safety of reuse projects.

Keywords: Advanced Oxidation; Applied Process Technology; Bromate; Coliform; Disinfection; EDCs; HiPOx; Ozone; PPCPs; Reuse; Trace Organics; Virus

Document Type: Research Article

DOI: https://doi.org/10.2175/193864709793900401

Publication date: 2009-01-01

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