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Experimental Study on Mineral Processing of a High-Magnesium Copper-Sulfur Ore
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Xin TANG1, 2, Sheng JIAN1, 2, Jing ZHANG1, 2, Shuguang ZHANG1, 2, XiangWen LYU1, 2, Meihua LIU1, 2
Mining and Metallurgical Engineering | 2025, 45(4) : 90 - 94
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Mining and Metallurgical Engineering | 2025, 45(4): 90-94
• MINERAL PROCESSING •
Experimental Study on Mineral Processing of a High-Magnesium Copper-Sulfur Ore
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Xin TANG1, 2, Sheng JIAN1, 2, Jing ZHANG1, 2, Shuguang ZHANG1, 2, XiangWen LYU1, 2, Meihua LIU1, 2
Affiliations
  • 1.Kunming Metallurgy Institute Co., Ltd., Kunming 650031, Yunnan, China
  • 2.Yunnan Key Laboratory for New Technology of Beneficiation and Metallurgy, Kunming 650031, Yunnan, China
Published: 2025-08-01 doi: 10.3969/j.issn.0253-6099.2025.04.016
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An experimental study was carried out for mineral processing of a Cu-S ore with grade of MgO at 11.86%, grade of S at 6.81%. In the experiment, a flotation process, consisting of preferential flotation of copper, Cu-S separation and reverse flotation of copper concentrate for removal of magnesium, was adopted, with SG-2 as a copper collector in combination with HD as a depressant for magnesium-containing gangue, producing a standard copper concentrate grading 23.47% Cu and 2.99% MgO, with copper recovery at 81.10%.

copper sulfide ore  /  magnesium oxide  /  flotation  /  magnesium removal  /  collector  /  depressant  /  copper concentrate
Xin TANG, Sheng JIAN, Jing ZHANG, Shuguang ZHANG, XiangWen LYU, Meihua LIU. Experimental Study on Mineral Processing of a High-Magnesium Copper-Sulfur Ore[J]. Mining and Metallurgical Engineering, 2025 , 45 (4) : 90 -94 . DOI: 10.3969/j.issn.0253-6099.2025.04.016
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Year 2025 volume 45 Issue 4
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Article Info
doi: 10.3969/j.issn.0253-6099.2025.04.016
  • Receive Date：2025-01-25
  • Online Date：2026-03-05
  • Published：2025-08-01
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  • Received：2025-01-25
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    1.Kunming Metallurgy Institute 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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Citations
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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