张国权

个人信息Personal Information

副教授

博士生导师

硕士生导师

性别:男

毕业院校:大连理工大学

学位:博士

所在单位:环境学院

学科:环境科学. 环境工程

办公地点:环境楼B509

联系方式:13889406768

电子邮箱:zhguoquan@dlut.edu.cn

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Electro-Fenton degradation of azo dye using polypyrrole/anthraquinonedisulphonate composite film modified graphite cathode in acidic aqueous solutions

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论文类型:期刊论文

第一作者:Zhang, Guoquan

通讯作者:Yang, FL (reprint author), Dalian Univ Technol, Sch Biol & Environm Sci, MOE, Key Lab Ind Ecol & Environm Engn, Dalian 116024, Peoples R China.

合写作者:Yang, Fenglin,Gao, Mingming,Fang, Xiaohong,Liu, Lifen

发表时间:2008-06-30

发表刊物:ELECTROCHIMICA ACTA

收录刊物:SCIE

卷号:53

期号:16

页面范围:5155-5161

ISSN号:0013-4686

关键字:electro-Fenton; Amaranth azo dye; composite film; polypyrrole; anthraquinonedisulphonate

摘要:Amaranth azo dye has been degraded by electro-Fenton method using an undivided cell containing the polypyrrole (PPy)/anthraquinonedisulphonate (AQDS) composite film modified graphite cathode and Pt anode. In acidic media, the PPy/AQDS composite film exhibits the characteristic of gas diffusion cathode and is highly efficient for hydrogen peroxide electrogeneration with high generation rate and current efficiency. This new electro-Fenton system can degrade amaranth azo dye efficiently in various acidic solutions. The amaranth decay and total organic carbon (TOC) removal were determined as a function of pH, cathode potential, Fe2+ and doping AQDS concentrations. Total dye decay and 80.3% mineralization were achieved at the optimum conditions (pH 3.0, E-cath = -0.65 V vs. SCE, 2.0 mM Fe2+ concentration). The electrochemical stability and electrocatalytic activity of the composite film after use in electro-Fenton process were also investigated using cyclic voltammetry (CV) and Fourier transfer infrared (FTIR) spectroscopy technologies. (C) 2008 Elsevier Ltd. All rights reserved.