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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:HAN Hong-jun,FangFang,XU Chun-yan.Capability of phenol-degrading biofilm[J].Journal of Harbin Institute Of Technology(New Series),2011,18(4):5-8.DOI:10.11916/j.issn.1005-9113.2011.04.002.
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Capability of phenol-degrading biofilm
Author NameAffiliation
HAN Hong-jun State Key Laboratory of Urban Water Resources and Environment,Harbin Institute of Technology,Harbin 150090,China 
FangFang State Key Laboratory of Urban Water Resources and Environment,Harbin Institute of Technology,Harbin 150090,China 
XU Chun-yan State Key Laboratory of Urban Water Resources and Environment,Harbin Institute of Technology,Harbin 150090,China 
Abstract:
The degradation rate of phenol-degrading biofilm was studied.The biofilm of the biofilm was a kind of phenol-degrading bacteria.The bacteria was separated from coal chemical industry wastewater.The carbon source adopted four kinds of phenols,including phenol,methyl phenol,2-methyl phenol and resorcinol.Stenotrophomonas maltophilia K279a was gained.Twelve ratio of artificial phenol mixture was designed.The degradation rate of the twelve groups was all 99.9% in 16 h.The degradation rate from high to low was phenol,resorcinol,methyl phenol,2-methyl phenol.Phenol improved the degradation of the other phenols.The coal chemical wastewater contained 980 mg/L COD and 805 mg/L phenol.The degradation rate of COD and phenol was 70% and 77%,respectively.The domesticated biofilm (D) and the biofilm without domestication (WD) respectively used 45 h and 56 h.The results showed that the biofilm can be applied to the aerobic treatment process with high proportion of total phenol.
Key words:  phenol  SMAK279a  biofilm  bacteria  coal chemical industry wastewater
DOI：10.11916/j.issn.1005-9113.2011.04.002
Clc Number:X703
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