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Experimental Study on Flotation Separation of Ilmenite and Titanaugite from a Certain Area in Xinjiang
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Cheng Feng1, 2, Zhongxu Qi1, 2, 3, Dayong Sun1, 2, 3, Shunyuan Xiao1, 2, 3, Jiayan Liu1, 4, Xujian Chai1, 2, Jialin Zhao5, Ya Qiu6
Mining Research and Development | 2026, 46(9) : 312 - 318
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Mining Research and Development | 2026, 46(9): 312-318
Experimental Study on Flotation Separation of Ilmenite and Titanaugite from a Certain Area in Xinjiang
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Cheng Feng1, 2, Zhongxu Qi1, 2, 3, Dayong Sun1, 2, 3, Shunyuan Xiao1, 2, 3, Jiayan Liu1, 4, Xujian Chai1, 2, Jialin Zhao5, Ya Qiu6
Affiliations
  • 1.Changsha Institute of Mining Research Co., Ltd., Changsha, Hunan 410012, China
  • 2.National Engineering Research Center for Metal Mining, Changsha, Hunan 410012, China
  • 3.Hunan Engineering and Technology Research Center for Comprehensive Utilization of Mine Solid Waste, Changsha, Hunan 410012, China
  • 4.National Technological Innovation Center for Efficient Development of Strategic Rare Metal Mineral Resources, Changsha, Hunan 410012, China
  • 5.Shenyang Nonferrous Metallurgy Engineering & Research Institute, Shenyang, Liaoning 110003, China
  • 6.Sichuan Energy Development Group Co., Ltd., Chengdu, Sichuan 610095, China
Published: 2026-09-25
Outline
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To address the problems of high titanaugite silicate content in ilmenite and the low recovery of the existing gravity separation process from a certain area in Xinjiang, a systematic experimental study on flotation was conducted. Under the conditions of a raw ore TiO2 grade of 15.64% and an ilmenite distribution rate of 77.37%, using a composite binary organic acid as the titanaugite depressant and adopting the beneficiation process flowsheet of "desulfurization reverse flotation-ilmenite direct flotation", an ilmenite concentrate with a yield of 26.02%, a TiO2 grade of 45.62%, and a recovery of 76.27% was obtained through the closed-circuit test. Compared with the existing gravity separation process, the TiO2 recovery rate in ilmenite concentrate by high intensity magnetic separation-flotation process is increased by 8.1 precentage points, and the ilmenite content in the concentrate reached 91.22%, which achieved the effective flotation separation of ilmenite and titanaugite. Zeta potential measurements and adsorption tests indicate that the composite binary organic acid has a greater impact on the surface potential of titanaugite and a higher adsorption amount, which increases the floatability difference between titanaugite and ilmenite, and provides a basis for their flotation separation.

Ilmenite  /  Titanaugite  /  Composite binary organic acid  /  Flotation  /  Reagent regime
冯程, 祁忠旭, 孙大勇, 肖舜元, 刘佳燕, 柴旭建, 赵家林, 邱娅. 新疆某地钛铁矿与钛辉石浮选分离试验研究. 矿业研究与开发, 2026 , 46 (9) : 312 -318 .
Cheng Feng, Zhongxu Qi, Dayong Sun, Shunyuan Xiao, Jiayan Liu, Xujian Chai, Jialin Zhao, Ya Qiu. Experimental Study on Flotation Separation of Ilmenite and Titanaugite from a Certain Area in Xinjiang[J]. Mining Research and Development, 2026 , 46 (9) : 312 -318 .
Appendix
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Year 2026 volume 46 Issue 9
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Article Info
  • Receive Date：2026-01-21
  • Online Date：2026-10-27
  • Published：2026-09-25
Article Data
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History
  • Received：2026-01-21
Funding
Affiliations
    1.Changsha Institute of Mining Research Co., Ltd., Changsha, Hunan 410012, China
    2.National Engineering Research Center for Metal Mining, Changsha, Hunan 410012, China
    3.Hunan Engineering and Technology Research Center for Comprehensive Utilization of Mine Solid Waste, Changsha, Hunan 410012, China
    4.National Technological Innovation Center for Efficient Development of Strategic Rare Metal Mineral Resources, Changsha, Hunan 410012, China
    5.Shenyang Nonferrous Metallurgy Engineering & Research Institute, Shenyang, Liaoning 110003, China
    6.Sichuan Energy Development Group Co., Ltd., Chengdu, Sichuan 610095, 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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