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Catalytic Ozonation for Degradation of 2, 4, 6-Trichloroanisole in Drinking Water in the Presence of γ-AlOOH

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Results show that catalytic ozonation with γ-AlOOH can substantially enhance the removal effectiveness of 2, 4, 6-trichloroanisole (TCA) in drinking water. Scavenging of radicals tests reveals that the improved 2, 4, 6-trichloroanisole degradation is due to the enhanced generation of hydroxyl radicals. The uncharged surface hydroxyl groups on γ-AlOOH in water can induce aqueous ozone decomposition to generate hydroxyl radicals. The catalytic activity of γ-AlOOH decreased as thermal treatment temperature increased.

Keywords: 2, 4, 6-trichloroanisole; catalytic ozonation; hydroxyl radicals; γ-AlOOH

Document Type: Research Article


Publication date: June 1, 2009

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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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