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http://dx.doi.org/10.5352/JLS.2003.13.6.970

Evaluation of Biocatalyst and Bioreactor System for the Continuous Treatment of Trichloroethylene  

이은열 (Environmental Science and Technology Research Center, Kyungsung University)
Publication Information
Journal of Life Science / v.13, no.6, 2003 , pp. 970-975 More about this Journal
Abstract
Microbial trichloroethylene (TCE) degradation using trickling biofilter (TBF) is a cost-effective treatment method, in which monooxygenase (MO) fortuitously transforms TCE via cometabolism. Simple TBF, however, could not be stably operated for long-term treatment of TCE due to the contradictory characteristics of cometabolism. In this paper, microbial biocatalyst and biofilm reactor system, a two-stage continuous stirred tank reactor (CSTR)/TBF system using Burkholderia cepacia G4 and Methylosinus trichosporium OB3b, are evaluated for the long-term continuous treatment of TCE. The maximum TCE elimination capacities were in the range of 28 and 525 mg TCE/1$.$day. The reactor systems were stably operated for more than 3∼12 months.
Keywords
Burkholderia cepacia; biofilm; cometabolism; Methylosinus trichosporium; trichloroethylene; trickling biofilter;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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