Enhanced dechlorination of 2,3-chlorophenol in an anaerobic bioreactor by addition of auxiliary carbon sources |
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| Authors: | In-Chul Kong W Jack Jones |
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| Institution: | (1) Department of Environmental Engineering, Yeungnam University, Gyungsan-si Kyungbuk, Korea;(2) U.S. Environmental Protection Agency, Athens, USA |
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| Abstract: | Addition of an auxiliary carbon source (sodium acetate, sodium lactate, or yeast extract) to microbial consortia from an anaerobic bioreactor stimulated reductive dechlorination of 2,3-chlorophenol (CP) compared to unamended consortia or consortia amended with sodium formate or sodium propionate. However, no significant effects on dechlorination of 3-CP were observed by addition of auxiliary carbon sources. In a continuous-flow, anaerobic bioreactor, addition of sodium lactate resulted in a 2 to 3-fold increase in the rate of dechlorination of 2,3-CP compared to addition of sodium formate. Enhanced transformation of the dechlorination product (3-CP) was also evident. © Rapid Science Ltd. 1998 |
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