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

被引：12

作者：

Kim, Byung-Hyuk ^{[1
,3
]}

Baek, Kyung-Hwa ^{[1
]}

Cho, Dae-Hyun ^{[1
]}

Sung, Youlboong ^{[2
]}

Koh, Sung-Cheol ^{[3
]}

Ahn, Chi-Yong ^{[1
]}

Oh, Hee-Mock ^{[1
]}

Kim, Hee-Sik ^{[1
]}

机构：

[1] KRIBB, Environm Biotechnol Res Ctr, Taejon 305333, South Korea

[2] RIST, Environ & Energy Res Ctr, Gwangyang Si 545090, Chollanam Do, South Korea

[3] Korea Maritime Univ, Dept Environm Engn, Pusan 606791, South Korea

来源：

BIOTECHNOLOGY LETTERS | 2010年 / 32卷 / 12期

关键词：

Anaerobic microbial enrichment culture; Dechlorination; Microbial community analysis; Tetrachloroethene; CHLORINATED ETHENES; VINYL-CHLORIDE; SP-NOV; DEHALORESPIRATION; BACTERIUM;

D O I：

10.1007/s10529-010-0381-y

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

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 mu mol/l/day, respectively. Geobacter lovleyi and a Dehalococcoides sp. were identified from their 16S rRNA sequences to be the dominant phylotypes in AMEC-4P.

引用

页码：1829 / 1835

页数：7

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