Total reductive dechlorination of chlorobenzenes to benzene by a methanogenic mixed culture enriched from Saale river sediment
A methanogenic mixed culture enriched from Saale river sediment was able to transform all chlorobenzenes by reductive dechlorination via monochlorobenzene to unsubstituted benzene after a short lag phase of only 1 week. The formation of benzene was confirmed by GC/MS in pentane extracts of the sludg...
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| Veröffentlicht in: | Applied microbiology and biotechnology 1996, Vol.45 (5), p.700-709 |
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| container_title | Applied microbiology and biotechnology |
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| creator | Nowak, J Kirsch, N.H Hegemann, W Stan, H.J |
| description | A methanogenic mixed culture enriched from Saale river sediment was able to transform all chlorobenzenes by reductive dechlorination via monochlorobenzene to unsubstituted benzene after a short lag phase of only 1 week. The formation of benzene was confirmed by GC/MS in pentane extracts of the sludge samples, as well as in the headspace gas of the batch cultures. The spectra of substrate utilization of the adapted cultures depended mainly on the substrates used for adaptation. Sediment microbes that had been adapted with a mixture of the three isomers of trichlorobenzene offered the widest spectrum for the utilization of chlorobenzenes in all chlorine stages. Reductive dechlorination was stimulated when the mixed cultures were supplemented with pyruvate and methanol. |
| doi_str_mv | 10.1007/s002530050751 |
| format | Article |
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| language | eng |
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| source | SpringerLink Journals - AutoHoldings |
| subjects | Biodegradation of pollutants Biological and medical sciences Biotechnology Environment and pollution Fundamental and applied biological sciences. Psychology Industrial applications and implications. Economical aspects |
| title | Total reductive dechlorination of chlorobenzenes to benzene by a methanogenic mixed culture enriched from Saale river sediment |
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