期刊
INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS
卷 26, 期 11, 页码 1337-1350出版社
SPRINGER
DOI: 10.1007/s12613-019-1826-5
关键词
bioleaching; copper sulfide; heap leaching; microbial community succession; enhanced mechanism
类别
资金
- National Key Research and Development Program of China [2016YFC0600704]
- National Science Fund for Excellent Young Scholars of China [51722401]
- Key Program of National Natural Science Foundation of China [51734001]
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.
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