Process of Phenol Degradation in a Divided Electrolytic Cell with Biofilm-cathode and Optimization of Conditions

Chem. J. Chinese Universities

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Process of Phenol Degradation in a Divided Electrolytic Cell with Biofilm-cathode and Optimization of Conditions

ZHANG Xue-Na, HUANG Wei-Min, GAO Yu, WANG Xuan, LIN Hai-Bo^*

College of Chemistry, Key Laboratory of Surface and Interface Chemistry of Jilin Province, Jilin University, Changchun 130012, China

Received:2008-03-24 Revised:1900-01-01 Online:2009-01-10 Published:2009-01-10
Contact: LIN Hai-Bo

Abstract

Abstract: Phenol is one of the main components of the wastewater from crude oil refineries and it is used for the target contamination degraded in this paper. A key method for the treatment of wastewater from crude oil refineries was developed by different biofilm-electrode reactors. The results indicate that phenol degradation rate in the biofilm-cathode of the biofilm-electrode reactor in a divided electrolytic cell is no better than the biofilm-electrode reactor in an undivided electrolytic cell. However, phenol degradation rate is 0 after 18 h reaction and the removal rate of chemical oxygen demand(COD) is 80% after 16 h reaction in the biofilm-cathode of the biofilm-electrode reactor in a divided electrolytic cell. The conditions of the phenol degradation in the biofilm-cathode of the biofilm-electrode reactor in a divided electrolytic cell were optimized. It is shown that the best conditions of the phenol degradation on the biofilm-cathode in the biofilm-electrode reactor of an divided electrolytic cell are current at 5 mA, phenol mass concentration at a lower one than 200 mg/L and the temperature at 35 ℃.

Key words: Biofilm-cathode, Phenol, Chemical oxygen demand(COD), Current

CLC Number:

O646

TrendMD:

ZHANG Xue-Na, HUANG Wei-Min, GAO Yu, WANG Xuan, LIN Hai-Bo^*. Process of Phenol Degradation in a Divided Electrolytic Cell with Biofilm-cathode and Optimization of Conditions[J]. Chem. J. Chinese Universities, doi: .

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Process of Phenol Degradation in a Divided Electrolytic Cell with Biofilm-cathode and Optimization of Conditions

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