Ecophysiology and application of dechlorinating anaerobes
Conference
·
OSTI ID:20014893
Biodegradation of chlorinated ethenes was studied both in laboratory cultures and in the field. Optimal tetrachloroethene (PCE) degradation was accomplished by sequential activity of anaerobic PCE-dechlorinating bacteria and aerobic cometaboic mineralization of dechlorination products (trichloroethene, TCE; cis-1,2-dichloroethene, cDCE; and vinylchloride, VC) by phenol-utilizing microbes. A novel PCE-dechlorinating anaerobic bacterium, Desulfitobacterium sp. strain TCE1, was isolated. Its PCE-dehalogenating activity was controlled by the availability of PCE and alternative electron acceptors sulfite, nitrate and fumarate. Metabolic interactions observed in co-cultures of strain TCE1 and a sulfate reducing Desulfovibrio species included competition for shared electron donors and H{sub 2}-transfer from the sulfate reducer to the dechlorinating anaerobe.
- Research Organization:
- TNO Inst. of Environmental Sciences, Apeldoorn (NL)
- OSTI ID:
- 20014893
- Country of Publication:
- United States
- Language:
- English
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