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Improvement of Metal Recovery from Lead-Zinc Ore in Qinghai by New Flotation Reagents
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Yue LIN1, 2, Song ZOU1, 2, Xinyang YU1, 2, Guichun HE1, 2, Shuzheng GUO1, 2, Feng WU1, 2
Mining and Metallurgical Engineering | 2025, 45(5) : 77 - 81
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Mining and Metallurgical Engineering | 2025, 45(5): 77-81
• MINERAL PROCESSING •
Improvement of Metal Recovery from Lead-Zinc Ore in Qinghai by New Flotation Reagents
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Yue LIN1, 2, Song ZOU1, 2, Xinyang YU1, 2, Guichun HE1, 2, Shuzheng GUO1, 2, Feng WU1, 2
Affiliations
  • 1.Jiangxi Provincial Key Laboratory of Low-Carbon Processing and Utilization of Strategic Metallic Mineral Resources, Ganzhou 341000, Jiangxi, China
  • 2.School of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, China
Published: 2025-10-01 doi: 10.3969/j.issn.0253-6099.2025.05.013
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The flotation reagent system was optimized for a lead-zinc ore in Qinghai based on experimental studies. It is shown that a new chelating agent (PT-8) combined with the conventional 25# xanthate can effectively enhance the flotation recovery of copper-lead sulfide minerals. A new collector (SXF-10) at a low dosage can efficiently recover marmatite from the ore, significantly improving the recoveries of Cu, Pb and Zn from flotation process. With raw ore at a grinding fineness of -0.074 mm 70%, 25# xanthate and PT-8 are used for Pb flotation, and SXF-10 is used for Zn flotation. A closed-circuit test with such process flow can produce a Cu-Pb concentrate grading 3.52% Cu and 62.53% Pb at corresponding recoveries of 70.08% and 93.75%, respectively, and a Zn concentrate grading 48.19% Zn at 87.97% recovery.

galena  /  marmatite  /  lead-zinc ore  /  flotation  /  flotation reagent  /  chelating agent  /  collector  /  Cu-Pb concentrate  /  Zn concentrate
Yue LIN, Song ZOU, Xinyang YU, Guichun HE, Shuzheng GUO, Feng WU. Improvement of Metal Recovery from Lead-Zinc Ore in Qinghai by New Flotation Reagents[J]. Mining and Metallurgical Engineering, 2025 , 45 (5) : 77 -81 . DOI: 10.3969/j.issn.0253-6099.2025.05.013
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Year 2025 volume 45 Issue 5
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doi: 10.3969/j.issn.0253-6099.2025.05.013
  • Receive Date：2025-03-14
  • Online Date：2026-03-18
  • Published：2025-10-01
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  • Received：2025-03-14
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Affiliations
    1.Jiangxi Provincial Key Laboratory of Low-Carbon Processing and Utilization of Strategic Metallic Mineral Resources, Ganzhou 341000, Jiangxi, China
    2.School of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, 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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