Chloroaromatics in groundwater: chances of bioremediation

被引：25

作者：

Dermietzel, J ^{[1
]}

Vieth, A ^{[1
]}

机构：

[1] Leipzig Halle GmbH, UFZ Ctr Environm Res, Dept Hydrogeol, D-06120 Halle An Der Saale, Germany

来源：

ENVIRONMENTAL GEOLOGY | 2002年 / 41卷 / 06期

关键词：

biodegradation; chlorobenzenes; groundwater;

D O I：

10.1007/s00254-001-0451-5

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The potential for biodegrading of mono-, di- and trichlorobenzenes in a contaminated aquifer in Bitterfeld (Saxony-Anhalt) was tested both in the laboratory and using on-site column experiments. Under the prevailing anaerobic conditions, the reductive dechlorination of 1,4-dichlorobenzene (1,4-DCB) takes place very slowly. Under aerobic conditions the indigenous micro-organisms are able to mineralize monochlorobenzene (MCB) and 1,4-DCB. The degradation rates for the other two isomeric dichlorobenzenes and for 1,2,4-trichlorobenzene (1,2,4-TCB) under aerobic conditions are significantly lower. Indications were found that once the oxygen has been consumed, Fe(III) species can be used as alternative electron acceptors.

引用

页码：683 / 689

页数：7

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