Chemical oxidation of 2,6-dimethylaniline by electrochemically generated Fenton’s reagent

doi:10.1016/j.jhazmat.2009.11.003

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標題:	Chemical oxidation of 2,6-dimethylaniline by electrochemically generated Fenton’s reagent
作者:	Nalinrut Masomboon Chavalit Ratanatamskul Ming-Chun Lu
貢獻者:	環境資源管理系
關鍵字:	2,6-Dimethylaniline Electro-Fenton process Fenton process Hydroxyl radicals
日期:	2010-04
上傳時間:	2012-05-31 14:49:34 (UTC+8)
摘要:	Oxidationof2,6-dimethylanilineby electro-Fenton process in acidic solution at pH 2 was investigated. The effects of pH, Fe2+, H2O2 and current density were assessed to determine the optimum operating parameters. The oxidation efficiency of2,6-dimethylaniline was determined by the reduction of2,6-dimethylaniline, COD and TOC in the solutions. Results reveal that 1 mM of2,6-dimethylaniline can be completely degraded in 4 h with 1 mM of Fe2+ and 20 mM of H2O2 and current density of 15.89 A m−2 at pH 2. The highest COD and TOC removal were observed when 120 mM of hydrogen peroxide was applied. Consequently, the electro-Fenton process is a reliable alternative in the degradation of2,6-dimethylaniline. 2,6-dimethylphenol, 2,6-dimethylnitrobenzene, 2,6-dimethylbenzoquinone, 3-hexanone, lactic acid, oxalic acid, acetic acid, maleic acid and formic acid were detected during the degradation of 1 mM of2,6-dimethylaniline solution by electro-Fenton method. A reaction pathway that includes these products is proposed for 2,6-dimethylaniline degradation.
關聯:	Journal of Hazardous Materials 176(1-3)：p.92-98
显示于类别:	[環境資源管理系(所)] 期刊論文

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