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Ozonation of Municipal Wastewater Effluents

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Abstract:

The increasing use of ozone in the treatment of municipal wastewater effuents has been stimulated by the need to achieve higher effluent quality and greater compliance with physicochemical and microbiological quality standards before discharge. These standards are applied when the effluent may pose a risk to the public through direct contact and where the effluent is used for agricultural purposes or water reclamation. Although various alternative technologies exist for upgrading wastewater effluents, ozone treatment may be the most appropriate approach in particular cases. This review summarizes the current status of the use of ozone for treating municipal effluents with respect to disinfection efficiency, its effect on the treatability of the effluent and on aggregate effluent parameters, the potential for the formation of ozonation byproducts, and its effect on the toxicity and mutagenicity of the effluent. The importance of treatment conditions (e.g., contact time) is also reviewed.

Keywords: BYPRODUCTS; DISINFECTION; EFFLUENT; MUNICIPAL; OXIDATION; OZONE; TOXICITY; TREATMENT; WASTEWATER

Document Type: Review Article

DOI: https://doi.org/10.2175/106143002X140387

Publication date: 2002-11-01

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  • Water Environment Research® (WER®) publishes peer-reviewed research papers, research notes, state-of-the-art and critical reviews on original, fundamental and applied research in all scientific and technical areas related to water quality, pollution control, and management. An annual Literature Review provides a review of published books and articles on water quality topics from the previous year.

    Published as: Sewage Works Journal, 1928 - 1949; Sewage and Industrial Wastes, 1950 - 1959; Journal Water Pollution Control Federation, 1959 - Oct 1989; Research Journal Water Pollution Control Federation, Nov 1989 - 1991; Water Environment Research, 1992 - present.
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