Research progress in enhanced bioleaching of copper sulfides under the intervention of microbial communities

Sheng-hua Yin; Lei-ming Wang; Ai-xiang Wu; Xun Chen; Rong-fu Yan

doi:10.1007/s12613-019-1826-5

Volume 26 Issue 11

Nov. 2019

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Article Navigation > International Journal of Minerals, Metallurgy and Materials > 2019 > 26(11): 1337-1350

Sheng-hua Yin, Lei-ming Wang, Ai-xiang Wu, Xun Chen, and Rong-fu Yan, Research progress in enhanced bioleaching of copper sulfides under the intervention of microbial communities, Int. J. Miner. Metall. Mater., 26(2019), No. 11, pp. 1337-1350. https://doi.org/10.1007/s12613-019-1826-5

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Sheng-hua Yin, Lei-ming Wang, Ai-xiang Wu, Xun Chen, and Rong-fu Yan, Research progress in enhanced bioleaching of copper sulfides under the intervention of microbial communities, Int. J. Miner. Metall. Mater., 26(2019), No. 11, pp. 1337-1350. https://doi.org/10.1007/s12613-019-1826-5

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Invited Review

Research progress in enhanced bioleaching of copper sulfides under the intervention of microbial communities

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Corresponding author:
Lei-ming Wang E-mail: ustb_wlm@126.com
Received: 7 May 2019; Revised: 19 July 2019; Accepted: 29 July 2019

Abstract

Abstract

Compared with the traditional pyrometallurgical process, copper bioleaching has distinctive advantages of high efficiency and lower cost, enabling efficiently extracts of valuable metal resources from copper sulfides. Moreover, during long-term industrial applications of bioleaching, many regulatory enhancements and technological methods are used to accelerate the interfacial reactions. With advances in microbial genetic and sequencing technologies, bacterial communities and their mechanisms in bioleaching systems have been revealed gradually. The bacterial proliferation and dissolution of sulfide ores by a bacterial community depends on the pH, temperature, oxygen, reaction product regulation, additives, and passivation substances, among other factors. The internal relationship among the influencing factors and the succession of microorganism diversity are discussed and reviewed in this paper. This paper is intended to provide a good reference for studies related to enhanced bioleaching.
- bioleaching;
- copper sulfide;
- heap leaching;
- microbial community succession;
- enhanced mechanism

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