文章基本信息

标题：Degradation of Commercial Textile Dye By Fenton's Reagent Under Xenon Beam Irradiation in Aqueous Medium
其他标题：Degradation of Commercial Textile Dye By Fenton's Reagent Under Xenon Beam Irradiation in Aqueous Medium
作者：M M Rahman ; M. A. Hasnat ; Kazuaki Sawada 等
期刊名称：Journal of Scientific Research
印刷版ISSN：2070-0237
电子版ISSN：2070-0245
出版年度：2009
卷号：1
期号：1
页码：108-120
DOI：10.3329/jsr.v1i1.1059
语种：English
出版社：Rajshahi University
摘要：Degradation of commercial textile dye named Malachite green (MG) has been investigated by Fenton reagent under xenon beam irradiation (1501~1532 lux, Î» â¤ 320 nm) in an aqueous solution. The degradation process was initiated by the photolysis of Fe(III)-hydroxyl species, and accelerated by xenon beam irradiation, due to enhance photolysis of Fe(III) species, which enhances the regeneration of Fe(II) with concomitant production of hydroxyl free radicals.Â Influences of various experimental parameters, such as the concentration of H2O2, Fe (III), xenon irradiation source, and pH of the experimental solutions on the initial rate and photo-degradation extent of the MG dye degradation were assessed and optimized. Although the initial rate of degradation was not affected by the initial MG concentration, it was affected by the concentration of Fenton reagents [Fe(III) and H2O2 solution], pH of the experimental solutions, and the intensity of the xenon beam. A significant enhancement of the initial rate and extent of degradation of MG dye was observed at solution pH of ~3.1 under xenon beam radiation. Complete degradation of MG dye (>99.5 %) was achieved by xenon beam/Fentonâs reagent process in aqueous solution (pH, 3.1). Â Keywords: Malachite green; Organic dye, Dye mineralization, Fenton reagents, Xenon radiation.Â Â©2009 JSR Publications. ISSN: 2070-0237 (Print); 2070-0245 (Online). All rights reserved.DOI: 10.3329/jsr.v1i1.1059Â
关键词：Chemistry; Environmental Chemistry;Malachite green; Organic dye; Dye mineralization; Fenton reagents; Xenon radiation.