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Application of Superconducting Magnetic Separation in Pre-enrichment of Weathered Low-Grade Vanadium-Bearing Stone Coal Ore
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Shuai ZHANG, Zhitao YUAN, Ziqin LIN, Yuxin XIE, Jiwei LU, Jiantao GU
Mining and Metallurgical Engineering | 2024, 44(5) : 46 - 50
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Mining and Metallurgical Engineering | 2024, 44(5): 46-50
• MINERAL PROCESSING •
Application of Superconducting Magnetic Separation in Pre-enrichment of Weathered Low-Grade Vanadium-Bearing Stone Coal Ore
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Shuai ZHANG, Zhitao YUAN, Ziqin LIN, Yuxin XIE, Jiwei LU, Jiantao GU
Affiliations
  • School of Resources and Civil Engineering, Northeastern University, Shenyang 110819, Liaoning, China
Published: 2024-10-01 doi: 10.3969/j.issn.0253-6099.2024.05.009
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An experimental research was performed on pre-enrichment of a weathered low-grade vanadium-bearing stone coal ore to solve the problems of complex flow and high cost for the existing direct vanadium-extraction process. The process mineralogy study shows that the predominant vanadium minerals in the stone coal ore are vanadium-bearing limonite and vanadium-bearing mica, both being weakly magnetic, and a superconducting magnetic separation (SMS) plus sedimentation process is proposed for pre-enrichment of vanadium. With magnetic field strength of 4 T and slurry flow rate of 8.0 L/min, SMS produced a pre-enriched concentrate with V2O5 grade of 1.44% at a recovery of 55.08%. The SMS tailings were then subjected to sedimentation and classification to further recover vanadium, leading to the final concentrate with V2O5 grade of 1.03% and recovery of 79.48%, presenting that 59.02% tailings were discarded. With this pre-enrichment process, vanadium in the stone coal ore can be efficiently reclaimed, which meets the requirements for subsequent metallurgical vanadium extraction.

vanadium-bearing stone coal ore  /  superconducting magnetic separation  /  pre-enrichment  /  vanadium
Shuai ZHANG, Zhitao YUAN, Ziqin LIN, Yuxin XIE, Jiwei LU, Jiantao GU. Application of Superconducting Magnetic Separation in Pre-enrichment of Weathered Low-Grade Vanadium-Bearing Stone Coal Ore[J]. Mining and Metallurgical Engineering, 2024 , 44 (5) : 46 -50 . DOI: 10.3969/j.issn.0253-6099.2024.05.009
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Year 2024 volume 44 Issue 5
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doi: 10.3969/j.issn.0253-6099.2024.05.009
  • Receive Date：2024-03-29
  • Online Date：2026-03-17
  • Published：2024-10-01
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  • Received：2024-03-29
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    School of Resources and Civil Engineering, Northeastern University, Shenyang 110819, Liaoning, 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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