Microbial degradation of hydrochlorofluorocarbons (CHCl2F and CHCl2CF3) in soils and sediments
Applied and Environmental Microbiology
By: R.S. Oremland, D.J. Lonergan, C.W. Culbertson, and D. R. Lovley
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Abstract
The ability of microorganisms to degrade trace levels of the hydrochlorofluorocarbons HCFC-21 and HCFC-123 was investigated. Methanotroph- linked oxidation of HCFC-21 was observed in aerobic soils, and anaerobic degradation of HCFC-21 occurred in freshwater and salt marsh sediments. Microbial degradation of HCFC-123 was observed in anoxic freshwater and salt marsh sediments, and the recovery of 1,1,1-trifluoro-2-chloroethane indicated the involvement of reductive dechlorination. No degradation of HCFC-123 was observed in aerobic soils. In same experiments, HCFCs were degraded at low (parts per billion) concentrations, raising the possibility that bacteria in nature remove HCFCs from the atmosphere.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Microbial degradation of hydrochlorofluorocarbons (CHCl2F and CHCl2CF3) in soils and sediments |
| Series title | Applied and Environmental Microbiology |
| DOI | 10.1128/aem.62.5.1818-1821.1996 |
| Volume | 62 |
| Issue | 5 |
| Year Published | 1996 |
| Language | English |
| Publisher | American Society for Microbiology |
| Description | 4 p. |
| First page | 1818 |
| Last page | 1821 |
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