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Beneficiation of Refractory Weakly-Magnetic Iron Ore with Flowsheet of Magnetic Roasting and Magnetic Separation
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Zhibo TANG1, Zhou LIAO2
Mining and Metallurgical Engineering | 2023, 43(3) : 97 - 100
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Mining and Metallurgical Engineering | 2023, 43(3): 97-100
• MINERAL PROCESSING •
Beneficiation of Refractory Weakly-Magnetic Iron Ore with Flowsheet of Magnetic Roasting and Magnetic Separation
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Zhibo TANG1, Zhou LIAO2
Affiliations
  • 1.Hunan Shuikoushan Nonferrous Metals Group Co Ltd, Hengyang 421513, Hunan, China
  • 2.Hunan Nonferrous Metals Holding Group Co Ltd, Changsha 410035, Hunan, China
Published: 2023-06-01 doi: 10.3969/j.issn.0253-6099.2023.03.022
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A flowsheet consisting of pre-reduction magnetic roasting and magnetic separation was introduced to process a refractory weakly-magnetic iron ore from Jiangsu Province. The results show that after 60 min roasting at 750 ℃ by adding coal as a reducing agent at an amount of 3%, the pre-reduced iron ore was ground to a fineness of 75% -0.074 mm and then subjected to low intensity magnetic separation consisting of one roughing, one cleaning and one scavenging, resulting in a high quality iron concentrate grading 65.05% Fe at 96.19% recovery. The research results can provide technical reference for the mineral processing of refractory weakly-magnetic iron ore.

magnetite  /  pre-reduction  /  magnetic roasting  /  magnetic separation  /  iron concentrate
Zhibo TANG, Zhou LIAO. Beneficiation of Refractory Weakly-Magnetic Iron Ore with Flowsheet of Magnetic Roasting and Magnetic Separation[J]. Mining and Metallurgical Engineering, 2023 , 43 (3) : 97 -100 . DOI: 10.3969/j.issn.0253-6099.2023.03.022
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Year 2023 volume 43 Issue 3
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Article Info
doi: 10.3969/j.issn.0253-6099.2023.03.022
  • Receive Date：2022-12-12
  • Online Date：2026-03-05
  • Published：2023-06-01
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  • Received：2022-12-12
Affiliations
    1.Hunan Shuikoushan Nonferrous Metals Group Co Ltd, Hengyang 421513, Hunan, China
    2.Hunan Nonferrous Metals Holding Group Co Ltd, Changsha 410035, Hunan, China
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https://castjournals.cast.org.cn/joweb/kygczz/EN/10.3969/j.issn.0253-6099.2023.03.022
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Citations
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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