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Beneficiability of Refractory Scheelite Ore from Henan
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Baijun XIN1, Xu WANG2, Wenfang CHE1, Bingbing ZHAO1, Fen JIAO2, Jingduo LIU1, Zirui ZHANG1
Mining and Metallurgical Engineering | 2023, 43(6) : 92 - 96
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Mining and Metallurgical Engineering | 2023, 43(6): 92-96
• MINERAL PROCESSING •
Beneficiability of Refractory Scheelite Ore from Henan
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Baijun XIN1, Xu WANG2, Wenfang CHE1, Bingbing ZHAO1, Fen JIAO2, Jingduo LIU1, Zirui ZHANG1
Affiliations
  • 1.China Molybdenum Group Co Ltd, Luoyang 471500, Henan, China
  • 2.School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, Hunan, China
Published: 2023-12-01 doi: 10.3969/j.issn.0253-6099.2023.06.020
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Experimental study was conducted on the properties and beneficiability of a refractory scheelite ore from Luanchuan of Henan Province. The results show that the WO3 grade for this diopsidite garnet skarn-type molybdenum-tungsten ore is 0.067 2%, and scheelite is the dominant tungsten minerals. This ore is prone to become sliming and also has high content of calcium-bearing gangues, which are unfavorable to scheelite recovery. With a flotation reagents scheme including regulator sodium carbonate 1 500 g/t, depressor sodium silicate 600 g/t, depressor SG 40 g/t, and collector FX-6 400 g/t, a closed-circuit test was performed with the tailings from molybdenum flotation for scheelite flotation. As a result, the roughing stage in the closed-circuit test produced a rough scheelite concentrate grading 1.472% WO3 at 83.54% recovery, and the cleaning stage produced a scheelite concentrate grading 31.92% at 95.71% recovery. By using a combination of sodium silicate and SG, the recovery efficiency of scheelite can be effectively improved, which is favorable for subsequent large-scale industrial production.

scheelite  /  sliming  /  calcium-bearing gangues  /  flotation  /  recovery  /  tungsten  /  molybdenum
Baijun XIN, Xu WANG, Wenfang CHE, Bingbing ZHAO, Fen JIAO, Jingduo LIU, Zirui ZHANG. Beneficiability of Refractory Scheelite Ore from Henan[J]. Mining and Metallurgical Engineering, 2023 , 43 (6) : 92 -96 . DOI: 10.3969/j.issn.0253-6099.2023.06.020
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Year 2023 volume 43 Issue 6
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doi: 10.3969/j.issn.0253-6099.2023.06.020
  • Receive Date：2023-07-06
  • Online Date：2026-03-05
  • Published：2023-12-01
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  • Received：2023-07-06
Affiliations
    1.China Molybdenum Group Co Ltd, Luoyang 471500, Henan, China
    2.School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, 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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