Organic electron donors for the microbial Cr(VI) reduction

被引：0
|
作者：
Hong, JH [1 ]
Sewell, GW [1 ]
机构：
[1] USEPA, Ada, OK 74820 USA
来源：
BIOREMEDIATION OF METALS AND INORGANIC COMPOUNDS | 1999年
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D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Sucrose-amended, yeast extract-amended, and lactate-amended systems were observed to be effective for microbial Cr(VI) reduction in an organic-carbon-poor subsurface environment. Approximately 10 mg/l of Cr(VI) was completely reduced in these systems during a 17-day experiment. In an additional experiment, nitrate, Cr(VI), and sulfate reduction were observed to depend on supplies of the electron donor (lactate). A reduction sequence of nitrate, Cr(VI), and sulfate was observed in the system. The reduction rate of the respiked Cr(VI) in the system was estimated to be 0.2203 h(-1).
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页码：135 / 140
页数：6
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