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Experimental Study on Improving Quality and Reducing Impurities of Metallurgical Grade Fluorite Concentrate
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Qingshu FENG1, Yabing MIAO2, Wensheng CHEN3, Xu LIU2, Jian WANG3, Wenfeng LI2, Wenpo ZHAO2, Zeyong LU2
Mining and Metallurgical Engineering | 2024, 44(3) : 73 - 76
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Mining and Metallurgical Engineering | 2024, 44(3): 73-76
• MINERAL PROCESSING •
Experimental Study on Improving Quality and Reducing Impurities of Metallurgical Grade Fluorite Concentrate
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Qingshu FENG1, Yabing MIAO2, Wensheng CHEN3, Xu LIU2, Jian WANG3, Wenfeng LI2, Wenpo ZHAO2, Zeyong LU2
Affiliations
  • 1.Hunan Shizhuyuan Non-ferrous Metals Co Ltd, Chenzhou 423037, Hunan, China
  • 2.Changsha Research Institute of mining and metallurgy Co Ltd, Changsha 410012, Hunan, China
  • 3.Hunan Non-ferrous Chenzhou Fluorine Chemical Co Ltd, Chenzhou 423037, Hunan, China
Published: 2024-06-01 doi: 10.3969/j.issn.0253-6099.2024.03.016
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An experimental study on a metallurgical grade fluorite concentrate with CaF2 content of 70.34% was conducted to upgrade fluorite concentrate quality by reducing impurities therein. The results of the full process test show that by adopting a process of high intensity magnetic separation for reducing silicon, followed by flotation of non-magnetic minerals for reducing calcium, the experiment produces a fluorite concentrate grading of 91.95% CaF2 at 76.52% recovery, with a yield of 58.30%. It is shown that the concentrate meets the raw material standards for anhydrous hydrofluoric acid production.

fluorite  /  high intensity magnetic separation  /  flotation  /  improving quality and reducing impurities  /  hydrofluoric acid
Qingshu FENG, Yabing MIAO, Wensheng CHEN, Xu LIU, Jian WANG, Wenfeng LI, Wenpo ZHAO, Zeyong LU. Experimental Study on Improving Quality and Reducing Impurities of Metallurgical Grade Fluorite Concentrate[J]. Mining and Metallurgical Engineering, 2024 , 44 (3) : 73 -76 . DOI: 10.3969/j.issn.0253-6099.2024.03.016
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Article Info
doi: 10.3969/j.issn.0253-6099.2024.03.016
  • Receive Date：2023-12-17
  • Online Date：2026-03-17
  • Published：2024-06-01
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  • Received：2023-12-17
Funding
Affiliations
    1.Hunan Shizhuyuan Non-ferrous Metals Co Ltd, Chenzhou 423037, Hunan, China
    2.Changsha Research Institute of mining and metallurgy Co Ltd, Changsha 410012, Hunan, China
    3.Hunan Non-ferrous Chenzhou Fluorine Chemical Co Ltd, Chenzhou 423037, 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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