Study on the Influence Factors of Desilication in Bioleaching by B. Mucilaginosus

Xiao Xi Zeng; Hong Bo Zhou; Yue Hua Hu; Jian Xin Tang; Pei Jiang; Wen Li

doi:10.4028/www.scientific.net/AMR.415-417.1740

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Study on the Influence Factors of Desilication in Bioleaching by B. Mucilaginosus
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 415-417Study on the Influence Factors of Desilication in...

Study on the Influence Factors of Desilication in Bioleaching by B. Mucilaginosus

Abstract:

Bioleaching is an environmental friendly technology with many potential advantages such as few pollution and low energy requirement. The factors which affected the silicate-dissolving ability of Bacillus mucilaginosus Lv_1-2 on illite were investigated. The results showed that the optimum inoculum amount was 2%.The best carbon source and nitrogen source were glucose and (NH₄)₂SO₄ respectively. The silicon dissolution increased with the powder diameter decreased. The optimal temperature and shaking speed were 30°C and 220 rpm. The proper conditions were consistent with that of the growth of the strain,which confirmed that the strain played an important role in bioleaching.

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Advanced Materials Research (Volumes 415-417)

Pages:

1740-1743

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.415-417.1740

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Online since:

December 2011

Authors:

Xiao Xi Zeng, Hong Bo Zhou, Yue Hua Hu, Jian Xin Tang, Pei Jiang, Wen Li

Keywords:

Bacillus Mucilaginosus, Bioleaching, Desilication, Silicate Bacterium

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