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

Mei Yue; Chun Nian Da; Xiang Ming Chen

doi:10.4028/www.scientific.net/AMR.518-523.233

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 518-523Microbial Effect on Arsenic and Plumbum Release in...

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

Abstract:

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 15days. 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°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.

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Periodical:

Advanced Materials Research (Volumes 518-523)

Pages:

233-236

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.518-523.233

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Online since:

May 2012

Authors:

Mei Yue, Chun Nian Da, Xiang Ming Chen

Keywords:

Acid Mine Drainage, Hazardous Elements, Microbial Action, Migratory

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