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Preliminary Study on Mineral Processing Technology of Copper Ore Based on MLA
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Jing ZHANG1, 2, Xin TANG1, 2, Xiangwen LÜ1, 2, Sheng JIAN1, 2, Lin ZHANG1, 2
Mining and Metallurgical Engineering | 2023, 43(1) : 63 - 66
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Mining and Metallurgical Engineering | 2023, 43(1): 63-66
• MINERAL PROCESSING •
Preliminary Study on Mineral Processing Technology of Copper Ore Based on MLA
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Jing ZHANG1, 2, Xin TANG1, 2, Xiangwen LÜ1, 2, Sheng JIAN1, 2, Lin ZHANG1, 2
Affiliations
  • 1.Kunming Research Institute of Metallurgy Co Ltd, Kunming 650031, Yunnan, China
  • 2.Yunnan Key Laboratory for New Technology of Beneficiation and Metallurgy, Kunming 650031, Yunnan, China
Published: 2023-02-01 doi: 10.3969/j.issn.0253-6099.2023.01.014
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A mineral liberation analysis (MLA) automatic measurement technology was used to not only analyze the composition and dissemination of minerals in a skarn copper ore, but also investigate the characteristics like particle size distribution and mineral liberation degree of raw ore and bulk concentrate samples ground to different fineness. After a preliminarily study on beneficiation technique for such ore based on the obtained results, a processing flowsheet comprised sequentially of grinding, Cu-Pb bulk flotation, regrinding of roughing concentrate and Cu/Pb flotation separation. It is shown that such flowsheet with the primary grinding fineness of -74 μm 70% and the regrinding fineness of -20 μm 75% can produce a copper concentrate grading 20.88% Cu at 70.42% recovery, and 183.9 g/t Ag at 76.78% recovery, as well as a product of sulfur concentrate grading 32.65% S at 91.47% recovery.

copper ore  /  process mineralogy  /  mineral liberation analysis (MLA)  /  liberation degree  /  regrinding of roughing concentrate  /  flotation  /  copper-sulfur bulk flotation  /  Cu/S flotation separation
Jing ZHANG, Xin TANG, Xiangwen LÜ, Sheng JIAN, Lin ZHANG. Preliminary Study on Mineral Processing Technology of Copper Ore Based on MLA[J]. Mining and Metallurgical Engineering, 2023 , 43 (1) : 63 -66 . DOI: 10.3969/j.issn.0253-6099.2023.01.014
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Year 2023 volume 43 Issue 1
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doi: 10.3969/j.issn.0253-6099.2023.01.014
  • Receive Date：2022-09-19
  • Online Date：2026-03-05
  • Published：2023-02-01
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  • Received：2022-09-19
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Affiliations
    1.Kunming Research Institute of Metallurgy Co Ltd, Kunming 650031, Yunnan, China
    2.Yunnan Key Laboratory for New Technology of Beneficiation and Metallurgy, Kunming 650031, Yunnan, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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