期刊
JOURNAL OF ENVIRONMENTAL MANAGEMENT
卷 211, 期 -, 页码 138-153出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jenvman.2018.01.035
关键词
Metallurgical wastes; Secondary resources; Bio-hydrometallurgy; Metal recovery; Metal-microbe interactions
资金
- Department of Science and Technology (DST) - Science and Engineering Research Board (SERB) under National Post-doctoral fellowship (nPDF) [SERB-nPDF-000893]
- Experienced Water Postdoc Fellowship COFUND Programme (FP7-PEOPLE-COFUND)
Solid metalliferous wastes (sludges, dusts, residues, slags, red mud and tailing wastes) originating from ferrous and non-ferrous metallurgical industries are a serious environmental threat, when waste management practices are not properly followed. Metalliferous wastes generated by metallurgical industries are promising resources for biotechnological extraction of metals. These wastes still contain significant amounts of valuable non-ferrous metals, sometimes precious metals and also rare earth elements. Elemental composition and mineralogy of the metallurgical wastes is dependent on the nature of mining site and composition of primary ores mined. Most of the metalliferous wastes are oxidized in nature and contain less/no reduced sulfidic minerals (which can be quite well processed by biohydrometallurgy). However, application of biohydrometallurgy is more challenging while extracting metals from metallurgical wastes that contain oxide minerals. In this review, origin, elemental composition and mineralogy of the metallurgical solid wastes are presented. Various bio-hydrometallurgical processes that can be considered for the extraction of non-ferrous metals from metal bearing solid wastes are reviewed. (C) 2018 Elsevier Ltd. All rights reserved.
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