Comprehensive Recovery Process of Skarn Type Copper-sulfur Ore Resources

ZHANG Jing; TANG Xin; LYU Xiangwen; JIAN Sheng; QIAO Jibo; ZHANG Lin

doi:10.3969/j.issn.1000-6532.2024.03.023

2024 No. 3

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Article navigation > Multipurpose Utilization of Mineral Resources > 2024 > 45(3): 150-156

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ZHANG Jing, TANG Xin, LYU Xiangwen, JIAN Sheng, QIAO Jibo, ZHANG Lin. Comprehensive Recovery Process of Skarn Type Copper-sulfur Ore Resources[J]. Multipurpose Utilization of Mineral Resources, 2024, 45(3): 150-156. doi: 10.3969/j.issn.1000-6532.2024.03.023

Citation:

ZHANG Jing, TANG Xin, LYU Xiangwen, JIAN Sheng, QIAO Jibo, ZHANG Lin. Comprehensive Recovery Process of Skarn Type Copper-sulfur Ore Resources[J]. Multipurpose Utilization of Mineral Resources, 2024, 45(3): 150-156. doi: 10.3969/j.issn.1000-6532.2024.03.023

Comprehensive Recovery Process of Skarn Type Copper-sulfur Ore Resources

Kunming Metallurgy Institute Co., Ltd., Yunnan Key Laboratory for New Technology of Beneficiation and Metallurgy, National Key Laboratory of Enhanced Metallurgical New Technology for Non-ferrous Metals, Kunming 650031, Yunnan, China

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Corresponding author: JIAN Sheng

Received Date: 02 July 2022

Publish Date: 25 June 2024

Abstract

Abstract

This is an article in the field of mineral processing engineering. For a skarn copper ore, the disseminated particle size is fine, the valuable elements in the ore are Cu, S, Fe and the associated element Ag. Compared with the effects of copper preferential flotation and copper-sulfur mixed flotation-copper-sulfur separation on the comprehensive recovery, the copper-sulfur mixed flotation-copper-sulfur separation process can achieve better recovery of copper, sulfur and silver, and magnetite has a certain recovery value. Copper concentrate with copper grade of 24.39% and copper recovery of 91.68% and sulfur concentrate with sulfur grade of 33.10% and sulfur recovery of 61.19% were obtained by copper sulfur mixed flotation. Ag was enriched in the copper concentrate, with a grade of 185 g/t and Ag recovery of 83.21%. The recovery of iron concentrate can be increased after the regrinding magnetic separation of flotation tailings. With two-stage weak magnetic separation, iron concentrate with iron grade of 56.48% and iron recovery of 33.84% can be obtained. The results can provide a reference for the similar copper sulfide.
- Mineral processing engineering /
- Copper sulfur ore /
- Mixing flotation of Cu-S /
- Separation of Cu-S /
- Magnetic separation

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References

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