Kinetics of electro-Fenton ferrous regeneration (EFFR) on chlorinated organic compound degradation

doi:10.1080/19443994.2014.886298

CNU IR > College of Sustainable Environment and Recreation > Dept. of Environmental Resources Management > Periodical Articles > Item 310902800/29739

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题名:	Kinetics of electro-Fenton ferrous regeneration (EFFR) on chlorinated organic compound degradation
作者:	Methatham, Thanakorn Lu, Ming-Chun Ratanatamskul, Chavalit
贡献者:	環境資源管理系
关键词:	Electro-Fenton ferrous regeneration (EFFR) Chlorinated organic compound Novel kinetic model First-order model Hydroxyl radicals Related articles
日期:	2015-05
上传时间:	2016-04-19 19:06:27 (UTC+8)
出版者:	Taylor & Francis Inc
摘要:	The electro-Fenton ferrous regeneration (EFFR) process was studied for kinetic determination under various reaction conditions. A novel model equation of this process was proposed which uses 2,4-dichlorophenol (2,4-DCP) as a chlorinated organic reference for this study. The operating parameters, pH, electrical current densities, and hydrogen peroxide concentrations, were varied to validate this novel model and kinetic rate constant estimation. The kinetic rate constant of the hydroxyl radical (center dot OH) with 2,4-DCP obtained by the novel model from this experiment was between 6.76 x 10(9) and 7.82 x 10(9) M(-1)s(-1). As a result, the novel model showed a more suitable fit with the experimental data than the first-order model method. The goodness of data fit which were indicated by correlation coefficients r(2) demonstrated that the novel model can better describe the kinetics of the process for chlorinated organic compound oxidation than the first-order model. Hydroquinone, maleic, acetic, formic, and oxalic acids were the main oxidation intermediates in this experiment. A degradation pathway for chlorinated organic compound oxidation by EFFR process was proposed on the basis of the intermediate compounds detected
關聯:	Desalination And Water Treatment, v.54 n.4-5, pp.1044-1053
显示于类别:	[Dept. of Environmental Resources Management] Periodical Articles

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