Research Progress of Gold Extracting by Chlorination

Shi Zhaozhong

doi:10.3969/j.issn.1000-6532.2022.03.015

2022 No. 3

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Shi Zhaozhong. Research Progress of Gold Extracting by Chlorination[J]. Multipurpose Utilization of Mineral Resources, 2022, 43(3): 80-85. doi: 10.3969/j.issn.1000-6532.2022.03.015

Citation:

Shi Zhaozhong. Research Progress of Gold Extracting by Chlorination[J]. Multipurpose Utilization of Mineral Resources, 2022, 43(3): 80-85. doi: 10.3969/j.issn.1000-6532.2022.03.015

Research Progress of Gold Extracting by Chlorination

Shi Zhaozhong^1,2,

1.
Henan Engineering Research Center of Advanced Materials and Green Process, Kaifeng, Henan, China
2.
School of Material and Chemical Engineering, Kaifeng University, Kaifeng, Henan, China

Received Date: 21 March 2021

Publish Date: 25 June 2022

Abstract

Abstract

Gold extraction by chloride is an important cyanide-free gold extraction process, which has been paid more and more attention because of its advantages of high leaching rate and no use of cyanide. Research on gold extraction by chlorination has shown a significant increase since 2010, and there are more literatures on gold extraction by liquid chlorination. Soon after the birth of the chlorination gold extraction process, the cyanidation method came out one after another. At that time, due to the relatively backward material industry, the corrosion problem faced by the chlorination method restricted its development, and was subsequently replaced by the cyanide method. Since 2000, material science has developed rapidly, and advanced corrosion-resistant materials have cleared the way for the chlorination process., moreover, with the development of human society, the ecological balance and environmental protection issues brought about by industrial production surpass the industrial development itself Therefore, chlorinated gold extraction process will be further developed.
- Chloride leaching gold /
- Liquid chlorination /
- Chloridizing roasting /
- Chlorate /
- Hypocholorite

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References

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