Feasibility and advantage of biofilm-electrode reactor for phenol degradation

The new biofilm-electrode method was used for the phenol degradation, because of its low current requirement. The biofilm-electrode reactor consisted of immobilized degrading bacteria on Ti electrode as cathode and Ti/PbO2 electrode as anode. With the biofilmelectrode reactor in a divided electrolyt...

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Bibliographic Details
Published in:Journal of environmental sciences (China) 2009, Vol.21 (9), p.1181-1185
Main Authors: ZHANG, Xuena, HUANG, Weimin, WANG, Xuan, GAO, Yu, LIN, Haibo
Format: Article
Language:English
Subjects:
Bacteria
biofilm-electrode reactor
Biofilms
Biological
Bioreactors - microbiology
chemical oxygen demand
Degradation
Electrodes
PbO2电极
Phenol
Phenol - metabolism
phenol degradation rate
Reactors
Titanium
Waste water
Water Purification - methods
传统方法
化学需氧量
反应器系统
生物膜电极法
电化学方法
苯酚降解
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Summary:The new biofilm-electrode method was used for the phenol degradation, because of its low current requirement. The biofilm-electrode reactor consisted of immobilized degrading bacteria on Ti electrode as cathode and Ti/PbO2 electrode as anode. With the biofilmelectrode reactor in a divided electrolytic cell, the phenol degradation rate could achieve 100% at 18 h which was higher than using traditional methods, such as biological or electrochemical methods. Chemical oxygen demand （COD） removal rate of the biofilmelectrode reactor was also greater than that using biological and electrochemical method, and could reach 80% at 16 h. The results suggested that the biofilm-electrode reactor system can be used to treat wastewater with phenol.
ISSN:1001-0742
1878-7320
DOI:10.1016/S1001-0742(08)62401-8