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

被引：10

作者：

Dantas, Renato F. ^{[1
]}

Darcissac, Marylin ^{[1
]}

Lesueur, Celine ^{[2
]}

Contreras, Sandra ^{[1
]}

Sans, Carme ^{[1
]}

Fuerhacker, Maria ^{[2
]}

Esplugas, Santiago ^{[1
]}

机构：

[1] Univ Barcelona, Dept Chem Engn, E-08028 Barcelona, Spain

[2] Boku Univ Nat Resources & Appl Life Sci, Inst Sanit Engn & Water Pollut Control, Vienna, Austria

来源：

WATER ENVIRONMENT RESEARCH | 2009年 / 81卷 / 02期

关键词：

quaternary ammonium compounds; total organic carbon; ozonation; photo-Fenton; NONIONIC SURFACTANTS; SOLAR LIGHT; WATER; DEGRADATION; BIODEGRADABILITY; PHOTODEGRADATION; TOXICITY; CARBON; OZONE; IONS;

D O I：

10.2175/106143008X274338

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

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 5 7.57 g/h). Water Environ. Res., 81, 201 (2009).

引用

页码：201 / 205

页数：5

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