Microbial sulfate reduction at low pH in sediments of an acidic lake in Argentina

被引：52
|
作者：
Koschorreck, M [1 ]
Wendt-Potthoff, K [1 ]
Geller, W [1 ]
机构：
[1] Leipzig Halle GMBH, UFZ Ctr Environm Res, Dept Inland Water Res, D-39114 Magdeburg, Germany
来源：
ENVIRONMENTAL SCIENCE & TECHNOLOGY | 2003年 / 37卷 / 06期
关键词：
D O I：
10.1021/es0259584
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
We measured sulfate reduction in the acidic (pH less than or equal to 3) sediment of an Argentinean lake influenced by volcanism. Sulfate reduction rates of 2.04 mmol m(-2) d-(1) were determined with a (SO42-)-S-35 core injection method and confirmed by batch incubations and from H2S measurements in the sediment. H2S production stopped when iron reduction was stimulated by addition of ferric iron. The results suggest that sulfate reduction at pH values around 3 is possible and can probably be used in biotechnological strategies if competing microbial processes are inhibited and electron donors are highly available.
引用
收藏
页码：1159 / 1162
页数：4
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