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    Please use this identifier to cite or link to this item: http://ir.cnu.edu.tw/handle/310902800/25339

    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
    Appears in Collections:[環境資源管理系(所)] 期刊論文

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