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Received: 2004-10-19

Revision Accepted: 2005-01-20

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Journal of Zhejiang University SCIENCE B 2005 Vol.6 No.6 P.563-568


Dechlorination by combined electrochemical reduction and oxidation

Author(s):  CONG Yan-qing, WU Zu-cheng, TAN Tian-en

Affiliation(s):  Department of Environmental Engineering, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   wuzc@zju.edu.cn

Key Words:  Electrochemical reduction, Electrochemical oxidation, Dechlorination, Combined process

CONG Yan-qing, WU Zu-cheng, TAN Tian-en. Dechlorination by combined electrochemical reduction and oxidation[J]. Journal of Zhejiang University Science B, 2005, 6(6): 563-568.

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T1 - Dechlorination by combined electrochemical reduction and oxidation
A1 - CONG Yan-qing
A1 - WU Zu-cheng
A1 - TAN Tian-en
J0 - Journal of Zhejiang University Science B
VL - 6
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DOI - 10.1631/jzus.2005.B0563

Chlorophenols are typical priority pollutants listed by USEPA (U.S. Environmental Protection Agency). The removal of chlorophenol could be carried out by a combination of electrochemical reduction and oxidation method. Results showed that it was feasible to degrade contaminants containing chlorine atoms by electrochemical reduction to form phenol, which was further degraded on the anode by electrochemical oxidation. Chlorophenol removal rate was more than 90% by the combined electrochemical reduction and oxidation at current of 6 mA and pH 6. The hydrogen atom is a powerful reducing agent that reductively dechlorinates chlorophenols. The instantaneous current efficiency was calculated and the results indicated that cathodic reduction was the main contributor to the degradation of chlorophenol.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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2014-11-26 15:11:54

Dechlorination by combined electrochemical reduction and oxidation



2013-02-24 14:51:47

very Interesting and well written

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