Degradation of 4-CP in an internal electrolysis system

Abstract： The characteristic and mechanism of parachlorophenol (4-CP) degradation in an internal electrolysissystem were investigated. The degradation rate of 4-CP was higher in acid solution than that of in neutral or alkalinesolution. Addition of activated carbon could make 4-CP easier be degraded by the surface contact catalysis. Thedissolved oxygen in solution could take part in the electrode reaction and intensify the degradation of 4-CP. By theanalysis of intermediates of degradation of 4-CP, it could be conferred that 4-CP was broken through the bondbeside hydroxy firstly, then the bond beside chloride was broken and the chloride was dechlorinated simultaneously.Most intermediate products were glycerine, ethane diacid and acetic acid, while very few 1,4-butanedial andalcohols were found. 作 者： BIAN Wen-juan    SHEN Xue-you    LEI Le-cheng   作者單位： Institute of Environmental Engineering, Zhejiang University, Hangzhou 310027, China  期 刊： 環境科學學報(英文版)  ISTICSCI   Journal： JOURNAL OF ENVIRONMENTAL SCIENCES  年，卷(期)： 2004, 16(2)  分類號： X703  Keywords： internal electrolysis    degradation    wastewater   

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