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Biodegradability of tetrachlorobenzyltoluenes and polychlorinated biphenyls in activated sludge and in cultures ofalcaligenessp. JB1: A preliminary study

Authors
Journal
Chemosphere
0045-6535
Publisher
Elsevier
Publication Date
Volume
31
Issue
3
Identifiers
DOI: 10.1016/0045-6535(95)00144-w
Disciplines
  • Ecology
  • Geography

Abstract

Abstract The biodegradability of tetrachlorobenzyltoluenes (TCBTs) and polychlorinated biphenyls (PCBs) was investigated in activated sludge and in batch cultures of the PCB-degrading microorganism Alcaligenes sp. JB1. There was no evidence for significant biodegradation of either TCBTs or PCBs in activated sludge. In contrast, cultures of strain JB 1 did degrade PCB 40, but again there was no evidence for degradation of TCBTs. Although no final conclusions can be drawn from these results about the biodegradability of TCBTs, they do indicate that TCBTs are environmentally persistent compounds.

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