Acetogenic microbial degradation of vinyl chloride
Links
- More information: Publisher Index Page (via DOI)
- Download citation as: RIS | Dublin Core
Abstract
Under methanogenic conditions, microbial degradation of [1,2-14C]vinyl chloride (VC) resulted in significant (14 ± 3% maximum recovery) but transient recovery of radioactivity as 14C-acetate. Subsequently, 14C-acetate was degraded to 14CH4 and 14CO2 (18 ± 2% and 54 ± 3% final recoveries, respectively). In contrast, under 2-bromoethanesulfonic acid (BES) amended conditions, 14C-acetate recovery remained high (27 ± 1% maximum recovery) throughout the study, no 14CH4 was produced, and the final recovery of 14CO2 was only 35 ± 4%. These results demonstrate that oxidative acetogenesis may be an important mechanism for anaerobic VC biodegradation. Moreover, these results (1) demonstrate that microbial degradation of VC to CH4and CO2 may involve oxidative acetogenesis followed by acetotrophic methanogenesis and (2) suggest that oxidative acetogenesis may be the initial step in the net oxidation of VC to CO2reported previously under Fe(III)-reducing, SO4-reducing, and humic acids-reducing conditions.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Acetogenic microbial degradation of vinyl chloride |
| Series title | Environmental Science & Technology |
| DOI | 10.1021/es991371m |
| Volume | 34 |
| Issue | 13 |
| Year Published | 2000 |
| Language | English |
| Publisher | ACS |
| Contributing office(s) | Toxic Substances Hydrology Program |
| Description | 3 p. |
| First page | 2761 |
| Last page | 2763 |
| Google Analytic Metrics | Metrics page |