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Biodegradation of PCBs into Contaminated Dredged Sediments  

안재환 (한국건설기술연구원 건설환경연구부)
김소정 (한국건설기술연구원 건설환경연구부)
지재성 (한국건설기술연구원 건설환경연구부)
배우근 (한양대학교 토목환경공학부)
황병기 (상명대학교 토목환경공학부)
Publication Information
Journal of Soil and Groundwater Environment / v.9, no.2, 2004 , pp. 41-47 More about this Journal
Abstract
This research in the degradation of polychlorinated biphenyls(PCB) has focussed on the use of experimental enrichment cultures to obtain PCB-deading communities and identification of PCB-degrading bacteria accor야ng to pure culture. During 180 days, enrichment culture was performed to obtain PCB-degrading bacteria and initial concentration was injected 1.6 ppm,0.7 ppm, respectively. After 180 days of enrichment culture, PCBs was removed 80-87% and 57-71%. Biodegradation of PCBs was studied according to dominated PCB-degrading bacteria. Biodegraddation of PCBs was 80% in initial concentration of PCBs for 20days, enrichment cultured PCB-degrading bacteria was isolated by pure culture and it was verified to Pseudoxanthomonas sp.
Keywords
Dredged sediment; PCBs; Biodegradation;
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