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催化铁内电解法预处理硝基苯废水的机理研究
引用本文:樊金红,徐文英,高廷耀.催化铁内电解法预处理硝基苯废水的机理研究[J].环境科学与技术,2005,28(5):5-7.
作者姓名:樊金红  徐文英  高廷耀
作者单位:同济大学城市污染控制国家工程研究中心,上海,200092
基金项目:国家863计划研究课题“高级催化还原技术与设备”(2002AA601270)
摘    要:研究了硝基苯溶液在石墨和铜电极上的电还原特性,并评价了催化铁内电解还原产物的紫外光谱和电还原特性。结果表明,硝基苯能在铜电极上直接发生得电子还原反应,此即催化铁内电解法反应机理的显著特点。本方法对硝基苯废水进行预处理,是各种化学作用和电化学作用的综合效应,因此,具有较高的处理效率。

关 键 词:硝基苯  催化铁内电解  反应机理  预处理
文章编号:1003-6504(2005)05-0005-03
收稿时间:2004-06-01
修稿时间:2004-09-13

Pretreatment of Nitrobenzene-containing Wastewater by Catalyzed Iron Inner-electrolysis
FAN Jin-hong,XU Wen-ying,GAO Ting-yao.Pretreatment of Nitrobenzene-containing Wastewater by Catalyzed Iron Inner-electrolysis[J].Environmental Science and Technology,2005,28(5):5-7.
Authors:FAN Jin-hong  XU Wen-ying  GAO Ting-yao
Abstract:Wastewater containing nitrobenzene was treated by electrochemical reduction on cathode; graphite or copper cathode was used. Meanwhile, UV spectrums of reductive products and electrochemical reduction characteristics were investigated. The results indicated that direct reduction of nitrobenzene took place on copper cathode, i.e. the typical catalyzed iron inner-electrolysis characteristics. Nitrobenzene was reduced into aniline before the further degradation.
Keywords:nitrobenzene  catalyzed iron inner-electrolysis  mechanism  pretreatment
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