环境工程学报2012，Vol.6Issue(12)：4449-4454,6.
组合阳极联合气体扩散阴极电催化降解苯胺
Degradation of aniline by electrocatalytic process with combinated anode and gas diffusion cathode
摘要
Abstract
A novel electrochemical oxidation system using gas diffusion electrode as the cathode, Ti/SnO2- Sb205-IrO2 and Fe as the combinated anode was constructed for the degradation of organic pollutants. The effi- ciency of aniline degradation and the related degradation behaviors were investigated under different experimental conditions by this oxidation system. The results show that the cathodic potential, the time of current passing through Fe anode and the initial concentration of aniline have obvious effects on aniline degradation. Under the conditions of - 0.7 V cathodic potential, pH 3.0 and 20 min for current passing through Fe anode, TOC remov- al rate was 80.4% by the treatment of 480 min for 200 mg/L aniline solution and a mineralization current effi- ciency of 8.6% could be obtained, which indicated that the oxidation system had a fine ability for organics deg- radation. In addition, the variation of ammonium and nitrate nitrogen concentration revealed that the original ni- trogen was mainly transformed into NH4 and NO3-.关键词
电Fenton/阳极氧化/组合阳极/降解/苯胺Key words
electro-Fenton/anodic oxidation/combinated anode/degradation/aniline分类
资源环境引用本文复制引用
褚衍洋,王瑶,张冬梅..组合阳极联合气体扩散阴极电催化降解苯胺[J].环境工程学报,2012,6(12):4449-4454,6.基金项目
国家自然科学基金资助项目 （）
