Assessment of Cationic Surfactants Mineralization by Ozonation and Photo-Fenton Process

Authors: Dantas, Renato F; Darcissac, Marylin; Lesueur, Céline; Contreras, Sandra; Sans, Carme; Fuerhacker, Maria; Esplugas, Santiago

Source: Water Environment Research, Volume 81, Number 2, February 2009 , pp. 201-205(5)

Publisher: Water Environment Federation

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Aqueous solutions of two important quaternary ammonium compounds—16-BAC (benzyl-dimethyl-hexadecylammonium-chloride) and 18-BAC (benzyl-dimethyl-stearylammonium-chloride)—were treated by the ozonation and photo-Fenton processes at different ozone doses and hydrogen peroxide concentrations, respectively. During the photo-Fenton experiments, two different types of lamps were used—a UV mercury vapor medium pressure lamp and a xenon lamp, which simulates solar radiation. The total organic carbon removal was monitored to follow the mineralization of the surfactants. According to the experimental results, after 90 minutes of treatment, the photo-Fenton process achieved up to 80% of mineralization when the UV lamp was used. The efficiency of the photo-Fenton with the xenon lamp was lower. The ozonation process reached, at most, 50% mineralization at the used conditions (ozone dose = 7.57 g/h).

Keywords: ozonation; photo-Fenton; quaternary ammonium compounds; total organic carbon

Document Type: Research Article


Publication date: February 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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