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Experimental Study on Flotation of Ag-Rich Pb-Zn Sulfide Ore from Inner Mongolia
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Fei CAO1, 2, 3, 4, Jincheng CAO1, 2, 3, 4, Liang LÜ1, 2, 3, 4, Zhenfu LÜ1, 2, 3, 4
Mining and Metallurgical Engineering | 2023, 43(3) : 67 - 71
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Mining and Metallurgical Engineering | 2023, 43(3): 67-71
• MINERAL PROCESSING •
Experimental Study on Flotation of Ag-Rich Pb-Zn Sulfide Ore from Inner Mongolia
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Fei CAO1, 2, 3, 4, Jincheng CAO1, 2, 3, 4, Liang LÜ1, 2, 3, 4, Zhenfu LÜ1, 2, 3, 4
Affiliations
  • 1.Zhengzhou Institute of Multipurpose Utilization of Mineral Resources, CAGS, Zhengzhou 450006, Henan, China
  • 2.National Engineering Center for Multipurpose Utilization of Non-metallic Mineral Resources, Zhengzhou 450006, Henan, China
  • 3.Key Laboratory for Polymetallic Ore Evaluation and Utilization, Ministry of Natural Resources, Zhengzhou 450006, Henan, China
  • 4.Henan Province Key Laboratory of Comprehensive Utilization of Gold Resource, Zhengzhou 450006, Henan, China
Published: 2023-06-01 doi: 10.3969/j.issn.0253-6099.2023.03.015
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A kind of ore from Inner Mongolia containing 1.89% Pb, 1.84% Zn and 125 g/t Ag was taken in a flotation experiment for recovering the valuable elements therein. From the process mineralogy study, it is found that the Pb and Zn therein exist mainly in the form of galena and sphalerite, while Ag is in the form of freibergite. A preferential flotation process was adopted for treating this ore, in which zinc sulfate and sodium sulfite were taken as sphalerite depressants, propyl xanthate, ammonium dibutyl dithiophosphate and 25# dithiophosphate were taken as the collector for lead flotation, and then copper sulfate was taken as the activator and butyl xanthate was taken as the collector for zinc flotation from the tailings of lead flotation. A lead concentrate grading 52.71% Pb, 2.29% Zn, containing 3 182.00 g/t Ag was produced at 94.22% Pb recovery and 82.00% Ag recovery, and a zinc concentrate grading 46.11% Zn, 0.76% Pb, containing 255 g/t Ag was also yielded at 87.31% Zn recovery and 6.78% Ag recovery, showing that silver was mainly pulled into lead concentrate. It is concluded that this processing technique can bring not only a good Pb/Zn separation effect, but also an effective recovery of Ag.

lead-zinc sulfide  /  Pb/Zn separation  /  preferential flotation  /  collector  /  depressant  /  Ag
Fei CAO, Jincheng CAO, Liang LÜ, Zhenfu LÜ. Experimental Study on Flotation of Ag-Rich Pb-Zn Sulfide Ore from Inner Mongolia[J]. Mining and Metallurgical Engineering, 2023 , 43 (3) : 67 -71 . DOI: 10.3969/j.issn.0253-6099.2023.03.015
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Year 2023 volume 43 Issue 3
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Article Info
doi: 10.3969/j.issn.0253-6099.2023.03.015
  • Receive Date：2022-12-11
  • Online Date：2026-03-05
  • Published：2023-06-01
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History
  • Received：2022-12-11
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Affiliations
    1.Zhengzhou Institute of Multipurpose Utilization of Mineral Resources, CAGS, Zhengzhou 450006, Henan, China
    2.National Engineering Center for Multipurpose Utilization of Non-metallic Mineral Resources, Zhengzhou 450006, Henan, China
    3.Key Laboratory for Polymetallic Ore Evaluation and Utilization, Ministry of Natural Resources, Zhengzhou 450006, Henan, China
    4.Henan Province Key Laboratory of Comprehensive Utilization of Gold Resource, Zhengzhou 450006, Henan, China
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https://castjournals.cast.org.cn/joweb/kygczz/EN/10.3969/j.issn.0253-6099.2023.03.015
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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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