Microbial Effect on Arsenic and Plumbum Release in Acid Coal-Mine Drainage

被引:0
|
作者
Yue, Mel [1 ]
Da, Chun-nian [1 ]
Chen, Xiang-ming [1 ]
机构
[1] Hefei Univ, Dept Biol & Environm Engn, Hefei 230022, Anhui Province, Peoples R China
来源
ADVANCES IN ENVIRONMENTAL SCIENCE AND ENGINEERING, PTS 1-6 | 2012年 / 518-523卷
关键词
Acid mine drainage; microbial action; hazardous elements; migratory; METALS;
D O I
10.4028/www.scientific.net/AMR.518-523.233
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Batch leaching experiments with different pH and temperature have taken to the pyrite samples from coal seams, state including the reaction system with bacteria of Acidiphilium sp. and aseptic control system. The migratory behavior of 2 hazardous elements of As and Pb was detected for a period of 15 days. The analysis result displayed that the most releasing amount of As appeared in the bacteria reaction system with the condition of pH 1.5, 30 degrees C and 1:100(g:mL) solid-liquid ratio, and the contents was 73 times higher than its aseptic control system. While as to Pb, the result was opposite, Acidiphilium sp. inhibit Pb releasing, it maybe this bacteria accumulation of Pb directly or indirect.
引用
收藏
页码:233 / 236
页数:4
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