Aerobic biodegradation of trichloroethylene using a consortium of five bacterial strains

Liliana Meza, Teresa J. Cutright, Belal El-Zahab, Ping Wang

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17 Scopus citations

Abstract

Degradation with an aerobic consortium was used to evaluate the bioremediation trichloroethylene (TCE) as a model substrate. After one week, 228-1186 mg TCE l-1 was degraded at rates of 20-50 μg TCE l -1 h-1. The introduction of 10 mg toluene l-1 enhanced the degradation rates for TCE when greater than 600 mg l-1. Using isolated enzymes, a TCE degradation intermediate(s) appears inhibitory to the oxygenase enzymes thereby diminishing the overall degradation.

Original languageEnglish (US)
Pages (from-to)1925-1932
Number of pages8
JournalBiotechnology Letters
Volume25
Issue number22
DOIs
StatePublished - Nov 2003

Bibliographical note

Funding Information:
The authors would like to thank Mary Pepe for her assistance in completing the project. This material was based upon work supported by the National Science Foundation under grant number 0117042. Any opinions, findings, and conclusions and recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

Keywords

  • Biodegradation
  • Chlorinated solvents
  • Trichloroethylene

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