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New Flotation Process for Finely Disseminated Gold Ore
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Zihu LYU1, 2, 3, Yanlong LIANG4, Dengkui ZHAO1, 2, 3, Shoujing WANG1, 2, 3, Liang LYU1, 2, 3, Dongyin WU1, 2, 3, Hongwei CHENG1, 2, 3
Mining and Metallurgical Engineering | 2025, 45(3) : 94 - 98
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Mining and Metallurgical Engineering | 2025, 45(3): 94-98
• MINERAL PROCESSING •
New Flotation Process for Finely Disseminated Gold Ore
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Zihu LYU1, 2, 3, Yanlong LIANG4, Dengkui ZHAO1, 2, 3, Shoujing WANG1, 2, 3, Liang LYU1, 2, 3, Dongyin WU1, 2, 3, Hongwei CHENG1, 2, 3
Affiliations
  • 1.Zhengzhou Institute of Multipurpose Utilization of Mineral Resources, CAGS, Zhengzhou 450006, Henan, China
  • 2.Key Laboratory for Polymetallic Ores' Evaluation and Utilization, Ministry of Natural Resources, Zhengzhou 450006, Henan, China
  • 3.Key Laboratory of Comprehensive Utilization of Gold Resource in Henan Province, Zhengzhou 450006, Henan, China
  • 4.Sichuan College of Architectural Technology, Deyang 618000, Sichuan, China
Published: 2025-06-01 doi: 10.3969/j.issn.0253-6099.2025.03.015
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A refractory ore characterized by ultra-fine gold particles disseminated therein was taken for flotation test. A technique of re-grinding and re-flotation of the middlings, together with the self-developed collector of ZHS-3, was adopted to enhance the collection of fine-grained gold, resulting in a gold concentrate grading 43.70 g/t Au at 74.29% recovery, and a secondary concentrate grading 15.60 g/t Au at 4.28% recovery. Two obtained products had a total gold grade of 39.79 g/t and recovery of 78.57%. It is shown that both gold grade and recovery are improved compared with conventional flotation processes. This processing technique can achieve efficient recovery of fine-grained gold, thus improving resource utilization.

gold ore  /  fine-grained  /  pyrite  /  flotation  /  enhanced collection  /  ultrafine grinding  /  collector
Zihu LYU, Yanlong LIANG, Dengkui ZHAO, Shoujing WANG, Liang LYU, Dongyin WU, Hongwei CHENG. New Flotation Process for Finely Disseminated Gold Ore[J]. Mining and Metallurgical Engineering, 2025 , 45 (3) : 94 -98 . DOI: 10.3969/j.issn.0253-6099.2025.03.015
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Year 2025 volume 45 Issue 3
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Article Info
doi: 10.3969/j.issn.0253-6099.2025.03.015
  • Receive Date：2024-12-15
  • Online Date：2026-03-19
  • Published：2025-06-01
Article Data
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History
  • Received：2024-12-15
Funding
Affiliations
    1.Zhengzhou Institute of Multipurpose Utilization of Mineral Resources, CAGS, Zhengzhou 450006, Henan, China
    2.Key Laboratory for Polymetallic Ores' Evaluation and Utilization, Ministry of Natural Resources, Zhengzhou 450006, Henan, China
    3.Key Laboratory of Comprehensive Utilization of Gold Resource in Henan Province, Zhengzhou 450006, Henan, China
    4.Sichuan College of Architectural Technology, Deyang 618000, Sichuan, 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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