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Title 

Complete reductive dechlorination of tetrachloroethene to ethene by anaerobic microbial enrichment culture developed from sediment

Authors 

Byung-Hyuk KimK H BaekDae-Hyun ChoY SungS C KohChi-Yong AhnHee-Mock OhHee-Sik Kim

Publisher 

Springer Verlag (Germany)

Issue Date 

2010

Citation 

Biotechnology Letters, vol. 32, no. 12, pp. 1829-1835

Keywords 

Anaerobic microbial enrichment cultureDechlorinationMicrobial community analysisTetrachloroethene

Abstract 

A mixed, anaerobic microbial enrichment culture, AMEC-4P, was developed that uses lactate as the electron donor for the reductive dechlorination of tetrachloroethene (PCE) to ethene. AMEC-4P consistently and completely converted 2 mM PCE to cis-1,2-dichloroethene (cis-DCE) within 13 days, and the intermediate, cis-DCE, was then completely dechlorinated to ethene after 130 days. Dechlorination rates for PCE to cis-DCE, cis-DCE to VC, and VC to ethene were 243, 27, and 41 μmol/l/day, respectively. Geobacter lovleyi and a Dehalococcoides sp. were identified from their 16S rRNA sequences to be the dominant phylotypes in AMEC-4P.

ISSN 

0141-5492

Link 

http://dx.doi.org/10.1007/s10529-010-0381-y

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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