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New Cyanide-Free Separation Technology for Mo-Bi-S Bulk Concentrate
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Zhenxing LI1, Xuefeng TANG2, Wei MA1, Zheng CHENG2, Jiangyueen WU1, Hongdong ZHAO2, Wenheng LI1
Mining and Metallurgical Engineering | 2025, 45(3) : 84 - 87
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Mining and Metallurgical Engineering | 2025, 45(3): 84-87
• MINERAL PROCESSING •
New Cyanide-Free Separation Technology for Mo-Bi-S Bulk Concentrate
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Zhenxing LI1, Xuefeng TANG2, Wei MA1, Zheng CHENG2, Jiangyueen WU1, Hongdong ZHAO2, Wenheng LI1
Affiliations
  • 1.Hunan Shizhuyuan Nonferrous Metals Co., Ltd., Chenzhou 423000, Hunan, China
  • 2.Changsha Research Institute of Mining and Metallurgy Co., Ltd., Changsha 410012, Hunan, China
Published: 2025-06-01 doi: 10.3969/j.issn.0253-6099.2025.03.013
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Aiming at the Mo-Bi-S bulk concentrate from Hunan Shizhuyuan Nonferrous Metals Limited Company, a green, environmentally-friendly and efficient depressant (CYZ-15) and a new cyanide-free processing technique for Mo-Bi-S separation were developed. An experiment with the developed flowsheet produced a molybdenum concentrate grading 40.36% Mo at 92.98% recovery with a yield of 3.02%, and a bismuth concentrate grading 28.14% Bi at 95.64% recovery with a yield of 9.62%. It is shown that cyanide-free and efficient separation of Mo-Bi-S bulk concentrate can be actualized.

bulk concentrate  /  molybdenite  /  bismuthinite  /  pyrite  /  pyrrhotite  /  depressant  /  flotation  /  Mo-Bi-S ore  /  environmentally-friendly reagent
Zhenxing LI, Xuefeng TANG, Wei MA, Zheng CHENG, Jiangyueen WU, Hongdong ZHAO, Wenheng LI. New Cyanide-Free Separation Technology for Mo-Bi-S Bulk Concentrate[J]. Mining and Metallurgical Engineering, 2025 , 45 (3) : 84 -87 . DOI: 10.3969/j.issn.0253-6099.2025.03.013
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Year 2025 volume 45 Issue 3
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Article Info
doi: 10.3969/j.issn.0253-6099.2025.03.013
  • Receive Date：2025-01-15
  • Online Date：2026-03-19
  • Published：2025-06-01
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  • Received：2025-01-15
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Affiliations
    1.Hunan Shizhuyuan Nonferrous Metals Co., Ltd., Chenzhou 423000, Hunan, China
    2.Changsha Research Institute of Mining and Metallurgy Co., Ltd., Changsha 410012, Hunan, 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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