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Grindability and Beneficiability of Iron Ore from Australia
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Shuo XIAO, Zili HUANG, Tao HUANG, Jiemiao ZHENG, Xiaofeng LIU
Mining and Metallurgical Engineering | 2023, 43(3) : 72 - 74
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Mining and Metallurgical Engineering | 2023, 43(3): 72-74
• MINERAL PROCESSING •
Grindability and Beneficiability of Iron Ore from Australia
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Shuo XIAO, Zili HUANG, Tao HUANG, Jiemiao ZHENG, Xiaofeng LIU
Affiliations
  • Hubei Provincial Key Laboratory of Efficient Utilization and Agglomeration of Metallurgical Mineral Resources, School of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, Hubei, China
Published: 2023-06-01 doi: 10.3969/j.issn.0253-6099.2023.03.016
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Based on the study of process mineralogical properties and grindability of an iron ore from Australia, experiments were carried out to explore its beneficiability. The results show that this kind of ore has a TFe grade of 34.90%, with magnetite and hematite as the dominant Fe-containing minerals, and quartz as its dominant gangue mineral. The ore is medium hard, with a protodyakonov coefficient of 3.13, and also comparatively hard to mill, with a Bond ball milling work index of 13.27 kW·h/t. On this basis, a flowsheet consisting of sequentially primary grinding, a roughing process of low-intensity magnetic separation (LIMS), secondary grinding and a cleaning process of LIMS was adopted in an experiment, producing an iron concentrate grading 65.45% TFe at 65.98% recovery, with mFe recovery of 95.69%. After intensified grinding, the iron concentrate was subjected to further magnetic separation, resulting in ultrapure iron concentrate grading 71.90% TFe at 60.20% recovery. Meanwhile, the middlings was subjected to a scavenging, and a super-high grade iron concentrate with TFe grade of 69.87% was obtained with recovery of 35.21%, indicating that this ore has a good beneficiability.

iron ore  /  process mineralogy  /  beneficiability  /  super-high grade iron concentrate  /  magnetic separation  /  grinding
Shuo XIAO, Zili HUANG, Tao HUANG, Jiemiao ZHENG, Xiaofeng LIU. Grindability and Beneficiability of Iron Ore from Australia[J]. Mining and Metallurgical Engineering, 2023 , 43 (3) : 72 -74 . DOI: 10.3969/j.issn.0253-6099.2023.03.016
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doi: 10.3969/j.issn.0253-6099.2023.03.016
  • Receive Date：2022-12-02
  • Online Date：2026-03-05
  • Published：2023-06-01
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  • Received：2022-12-02
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    Hubei Provincial Key Laboratory of Efficient Utilization and Agglomeration of Metallurgical Mineral Resources, School of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, Hubei, 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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