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Experimental Study on Beneficiation of Tailings from Gravity Separation of Low-Grade Fine-Grained Cassiterite
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Jie LIU1, 2, Yang NI1, Qin ZOU2, Haisheng HAN1, Junhao FU1, Ruolin WANG1
Mining and Metallurgical Engineering | 2025, 45(5) : 68 - 72
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Mining and Metallurgical Engineering | 2025, 45(5): 68-72
• MINERAL PROCESSING •
Experimental Study on Beneficiation of Tailings from Gravity Separation of Low-Grade Fine-Grained Cassiterite
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Jie LIU1, 2, Yang NI1, Qin ZOU2, Haisheng HAN1, Junhao FU1, Ruolin WANG1
Affiliations
  • 1.School of Mineral Processing and Bioengineering, Central South University, Changsha 410083, Hunan, China
  • 2.Hunan Shizhuyuan Nonferrous Metals Company Limited, Chenzhou 423037, Hunan, China
Published: 2025-10-01 doi: 10.3969/j.issn.0253-6099.2025.05.011
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The tailings from gravity separation of cassiterite in a polymetallic ore from Guangxi Zhuang Autonomous Region were taken for experimental research. Due to its low grade, fine particle size of target minerals therein and similar floatability of tourmaline and cassiterite, a multiple ligand metal-group collector, CSC-BHA-Pb, and a high-efficiency depressant, XY1, were adopted to selectively inhibit gangue minerals dominated by tourmaline while efficiently enrich fine-grained cassiterite. On the basis of iron removal and desulfurization, an open-circuit flotation test of cassiterite, consisting of one roughing, one scavenging and seven cleaning, finally produced a tin concentrate with a Sn grade of 14.05% and a recovery of 28.79%, achieving efficient tin enrichment.

fine-grained cassiterite  /  tourmaline  /  flotation  /  gravity separation tailings  /  collector  /  depressant  /  multiple ligand metal-group
Jie LIU, Yang NI, Qin ZOU, Haisheng HAN, Junhao FU, Ruolin WANG. Experimental Study on Beneficiation of Tailings from Gravity Separation of Low-Grade Fine-Grained Cassiterite[J]. Mining and Metallurgical Engineering, 2025 , 45 (5) : 68 -72 . DOI: 10.3969/j.issn.0253-6099.2025.05.011
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Year 2025 volume 45 Issue 5
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Article Info
doi: 10.3969/j.issn.0253-6099.2025.05.011
  • Receive Date：2025-04-20
  • Online Date：2026-03-18
  • Published：2025-10-01
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  • Received：2025-04-20
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Affiliations
    1.School of Mineral Processing and Bioengineering, Central South University, Changsha 410083, Hunan, China
    2.Hunan Shizhuyuan Nonferrous Metals Company Limited, Chenzhou 423037, Hunan, China
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https://castjournals.cast.org.cn/joweb/kygczz/EN/10.3969/j.issn.0253-6099.2025.05.011
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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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