Investigation of chlorimuron-ethyl degradation by Fenton, photo-Fenton and ozonation processes

被引：43

作者：

Gozzi, Fabio ^{[1
]}

Machulek, Amilcar, Jr. ^{[1
]}

Ferreira, Valdir Souza ^{[1
]}

Osugi, Marly Eiko ^{[1
]}

Floriano Santos, Ana Paula ^{[1
]}

Nogueira, Jessica Alves ^{[1
]}

Dantas, Renato F. ^{[2
]}

Esplugas, Santiago ^{[2
]}

de Oliveira, Silvio Cesar ^{[1
]}

机构：

[1] Univ Fed Mato Grosso do Sul, CCET, BR-79074460 Campo Grande, MS, Brazil

[2] Univ Barcelona, Dept Engn Quim, E-08028 Barcelona, Spain

来源：

CHEMICAL ENGINEERING JOURNAL | 2012年 / 210卷

关键词：

Chlorimuron-ethyl; Advanced oxidation processes; Herbicide; Fenton; Ozonation; ADVANCED OXIDATION PROCESSES; WASTE-WATER TREATMENT; AQUEOUS-SOLUTION; UV/O-3; PROCESSES; PHOTODEGRADATION; ABATEMENT; REACTOR; LINURON; ANIONS; PHENOL;

D O I：

10.1016/j.cej.2012.09.008

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In this work, the degradation of chlorimuron-ethyl, which belongs to the class of sulfonylurea herbicide, was performed by Fenton, photo-Fenton and ozonation. At the used experimental conditions, photo-Fenton degradation was influenced by the initial H2O2 and Fe2+ concentration. In the case of its degradation by ozonation, the best results were achieved when ozone was combined with UV and H2O2. Among the studied AOPs, photo-Fenton presented the best result concerning mineralization and chlorimuron-ethyl degradation, achieving degradations higher than 85% after 90 min of reaction. Based on the obtained results, the photo-Fenton system can be an important technique to be applied in the treatment of wastewater containing this pesticide. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：444 / 450

页数：7

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