The Development of Pretreatment Technology of Carbonaceous Gold Ore

ZHANG Zuojin; WANG Qianqian; DAI Shujuan

doi:10.13779/j.cnki.issn1001-0076.2017.05.020

2017 Vol. 37, No. 5

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ZHANG Zuojin, WANG Qianqian, DAI Shujuan. The Development of Pretreatment Technology of Carbonaceous Gold Ore[J]. Conservation and Utilization of Mineral Resources, 2017, (5): 99-104. doi: 10.13779/j.cnki.issn1001-0076.2017.05.020

Citation:

ZHANG Zuojin, WANG Qianqian, DAI Shujuan. The Development of Pretreatment Technology of Carbonaceous Gold Ore[J]. Conservation and Utilization of Mineral Resources, 2017, (5): 99-104. doi: 10.13779/j.cnki.issn1001-0076.2017.05.020

The Development of Pretreatment Technology of Carbonaceous Gold Ore

School of Mining Engineering, University of Science & Technology Liaoning, Anshan 114051, China

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Corresponding author: WANG Qianqian, wangqianqian@ustl.edu.cn

Received Date: 11 June 2017

Publish Date: 25 October 2017

Abstract

Abstract

Pretreatment is an effective method to improve the quality and recovery rate of gold concentrate. With the increasing proportions of refractory carbonaceous gold ore, it is difficult to obtain a higher gold leaching rate by the conventional pretreatment methods such as roasting, oxidation, covering inhibition and competitive adsorption. In this situation, flotation-roasting oxidation, microbial secondary oxidation and microbial chemical oxidation can be used to improve the recovery of gold and reduce the cost of treatment. In this paper, the mechanism of carbon robbing gold and the research progress of pretreatment technology of carbonaceous gold ore have been introduced. The advantages and disadvantages of the existing pretreatment methods and their applications are described. Meanwhile, the future directions of development are prospected.
- carbonaceous gold ore /
- carbonaceous materials /
- carbon robbing gold /
- pretreatment technology

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References

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