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Experimental Study on Flotation Separation of a Gold-Antimony Concentrate from Russia
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Jie ZHAO1, 2, 3, Yangge ZHU3, Yimin ZHANG1, 2, Zhiqiang ZHAO3, Sigang LUO3
Mining and Metallurgical Engineering | 2025, 45(5) : 93 - 97
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Mining and Metallurgical Engineering | 2025, 45(5): 93-97
• MINERAL PROCESSING •
Experimental Study on Flotation Separation of a Gold-Antimony Concentrate from Russia
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Jie ZHAO1, 2, 3, Yangge ZHU3, Yimin ZHANG1, 2, Zhiqiang ZHAO3, Sigang LUO3
Affiliations
  • 1.School of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, Hubei, China
  • 2.National Key Laboratory of Environmental Protection for Mining and Metallurgy Resources Utilization and Pollution Control, Wuhan 430081, Hubei, China
  • 3.State Key Laboratory of Mineral Processing, BGRIMM Technology Group Co., Ltd., Beijing 102600, China
Published: 2025-10-01 doi: 10.3969/j.issn.0253-6099.2025.05.016
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An experimental study on flotation separation was conducted for a gold-antimony concentrate with grade of Sb and Au at 20.66% and 98.95 g/t, respectively, from Russia. In an experiment on antimony floatation while suppressing sulfur by adding efficient sulfur depressant of BK526, activator of lead nitrate, and collector of ammonium dibutyl dithiophosphate, the gold-antimony concentrate was ground to a fineness of -0.045 mm 86%, sodium sulfide and activated carbon was added to remove reagent and sulfuric acid was used to adjust the pulp pH to be acidic. Finally, it produced an antimony concentrate grading 51.56% Sb at 86.06% recovery, and a gold concentrate grading 108.35 g/t Au and 4.41% Sb, with gold recovery of 71.20%. It is shown that stibnite and gold-bearing pyrite can be efficiently separated.

gold-antimony concentrate  /  Au/Sb separation  /  stibnite  /  pyrite  /  sulfur suppression and antimony flotation  /  Au  /  Sb
Jie ZHAO, Yangge ZHU, Yimin ZHANG, Zhiqiang ZHAO, Sigang LUO. Experimental Study on Flotation Separation of a Gold-Antimony Concentrate from Russia[J]. Mining and Metallurgical Engineering, 2025 , 45 (5) : 93 -97 . DOI: 10.3969/j.issn.0253-6099.2025.05.016
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doi: 10.3969/j.issn.0253-6099.2025.05.016
  • Receive Date：2025-04-28
  • Online Date：2026-03-18
  • Published：2025-10-01
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  • Received：2025-04-28
Affiliations
    1.School of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, Hubei, China
    2.National Key Laboratory of Environmental Protection for Mining and Metallurgy Resources Utilization and Pollution Control, Wuhan 430081, Hubei, China
    3.State Key Laboratory of Mineral Processing, BGRIMM Technology Group Co., Ltd., Beijing 102600, 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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