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Influence of Pre-desliming on Flotation Performance of Copper-Bearing Magnetite from Anhui Province
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Fulai LAI1, Chong SHEN1, Chuan ZHANG1, Haibo REN2, Yang HU2
Mining and Metallurgical Engineering | 2025, 45(4) : 79 - 83
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Mining and Metallurgical Engineering | 2025, 45(4): 79-83
• MINERAL PROCESSING •
Influence of Pre-desliming on Flotation Performance of Copper-Bearing Magnetite from Anhui Province
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Fulai LAI1, Chong SHEN1, Chuan ZHANG1, Haibo REN2, Yang HU2
Affiliations
  • 1.Anhui Taiping Mining Co., Ltd., Huaibei 235000, Anhui, China
  • 2.School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, China
Published: 2025-08-01 doi: 10.3969/j.issn.0253-6099.2025.04.014
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The ore in the concentrator of Anhui Taiping Mining Company cannot reach the expected flotation effect. In order to address the problem, the properties and particle size composition of raw ore were analyzed, and condition tests were conducted to rule out the influence of reagent system and flotation conditions on the flotation performance. Based on a test on pre-desliming of the raw ore sample before grinding and the concentrate from pretreatment, it is found that the secondary slime has a significantly superior floatability than the primary slime, and too much primary slime is a contributing factor in the finally poor flotation performance. And based on a test on comparison of desliming, it is found that after pre-desliming process, the flotation effect of ore can be obviously improved, and the concentrate can have its final recovery improved by around 10 percentage points compared to that without pre-desliming process, due to significantly decreased slime content in concentrate and middlings. It is concluded that pre-desliming process is an effective approach for improving flotation performance of such kind of copper-bearing ore with serious sliming.

copper-iron polymetallic ore  /  flotation  /  primary slime  /  secondary slime  /  pre-desliming
Fulai LAI, Chong SHEN, Chuan ZHANG, Haibo REN, Yang HU. Influence of Pre-desliming on Flotation Performance of Copper-Bearing Magnetite from Anhui Province[J]. Mining and Metallurgical Engineering, 2025 , 45 (4) : 79 -83 . DOI: 10.3969/j.issn.0253-6099.2025.04.014
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Year 2025 volume 45 Issue 4
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Article Info
doi: 10.3969/j.issn.0253-6099.2025.04.014
  • Receive Date：2025-02-23
  • Online Date：2026-03-05
  • Published：2025-08-01
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  • Received：2025-02-23
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Affiliations
    1.Anhui Taiping Mining Co., Ltd., Huaibei 235000, Anhui, China
    2.School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, 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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