2005•Applied and Environmental MicrobiologyOpen access

Chloroethene Biodegradation in Sediments at 4°C

Paul M. Bradley, Sharon A. Richmond, Francis H. Chapelle

Abstract

Microbial reductive dechlorination of [1,2-14C]trichloroethene to [14C]cis-dichloroethene and [14C]vinyl chloride was observed at 4 degrees C in anoxic microcosms prepared with cold temperature-adapted aquifer and river sediments from Alaska. Microbial anaerobic oxidation of [1,2-14C]cis-dichloroethene and [1,2-14C]vinyl chloride to 14CO2 also was observed under these conditions.

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Key concepts: Vinyl chloride, Microcosm, Biodegradation, Anoxic waters, Reductive dechlorination, Environmental chemistry, Dehalococcoides, Chemistry