Research Progress on the Methods Enhancing Biooxidation Pretreatment for Arsenic-Bearing Gold Ores

DENG Sha; LIU Zhaoyue; YANG Wei; LONG Tao; XIAO Wei

doi:10.13779/j.cnki.issn1001-0076.2021.06.019

2021 Vol. 41, No. 6

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Article navigation > Conservation and Utilization of Mineral Resources > 2021 > 41(6): 150-156

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DENG Sha, LIU Zhaoyue, YANG Wei, LONG Tao, XIAO Wei. Research Progress on the Methods Enhancing Biooxidation Pretreatment for Arsenic-Bearing Gold Ores[J]. Conservation and Utilization of Mineral Resources, 2021, 41(6): 150-156. doi: 10.13779/j.cnki.issn1001-0076.2021.06.019

Citation:

DENG Sha, LIU Zhaoyue, YANG Wei, LONG Tao, XIAO Wei. Research Progress on the Methods Enhancing Biooxidation Pretreatment for Arsenic-Bearing Gold Ores[J]. Conservation and Utilization of Mineral Resources, 2021, 41(6): 150-156. doi: 10.13779/j.cnki.issn1001-0076.2021.06.019

Research Progress on the Methods Enhancing Biooxidation Pretreatment for Arsenic-Bearing Gold Ores

1.
School of Resources Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
2.
Key Laboratory of Gold and Resources in Shaanxi Province, Xi'an 710055, China

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Corresponding author: YANG Wei, yangweixauat@126.com

Received Date: 22 September 2021

Publish Date: 25 December 2021

Abstract

Abstract

Due to the advantages of low cost, simple equipment, and eco-friendliness, biooxidation pretreatment technology has gained great development and wide recognition in the exploitation and utilization of refractory gold ore in recent years. However, some problems involving the complicated properties of crude ores, the low arsenic resistance of microorganisms, and the surface passivation phenomenon restrict the application of biooxidation pretreatment to some degree, so how to accelerate the bioleaching of arsenic-bearing gold ores remains a hot and difficult issue in the field of biohydrometallurgy. This paper summarized the research status of strengthening methods for the biooxidation pretreatment of arsenic bearing gold ores, and elaborated the progress and mechanisms of using oxidants, metal ions, galvanic interaction, surfactants, humid acid and magnetized water. On the basis, the major development directions in the future were prospected, which would provide referential guidance for the further application of biooxidation pretreatment of arsenic-containing gold ores.
- arsenic-bearing gold ore /
- biooxidation /
- enhancing methods

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References

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