Study on process mineralogy of a low grade refractory vanadium-titanium magnetite ore in Xinjiang

Wang Yue; Yang Yaohui; Hui Bo; Lin Haitao

doi:10.7513/j.issn.1004-7638.2024.05.015

Volume 45 Issue 5

Oct. 2024

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Wang Yue, Yang Yaohui, Hui Bo, Lin Haitao. Study on process mineralogy of a low grade refractory vanadium-titanium magnetite ore in Xinjiang[J]. IRON STEEL VANADIUM TITANIUM, 2024, 45(5): 116-122. doi: 10.7513/j.issn.1004-7638.2024.05.015

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Wang Yue, Yang Yaohui, Hui Bo, Lin Haitao. Study on process mineralogy of a low grade refractory vanadium-titanium magnetite ore in Xinjiang[J]. IRON STEEL VANADIUM TITANIUM, 2024, 45(5): 116-122. doi: 10.7513/j.issn.1004-7638.2024.05.015

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Study on process mineralogy of a low grade refractory vanadium-titanium magnetite ore in Xinjiang

doi: 10.7513/j.issn.1004-7638.2024.05.015

Wang Yue^{1, 2, 3
,},
Yang Yaohui^{1, 2, 3
,
,},
Hui Bo^{1, 2, 3},
Lin Haitao^{1, 2, 3}

1.
Institute of Multipurpose Utilization of Mineral Resource, CAGS, Chengdu 610041, Sichuan, China
2.
Research Center of Multipurpose Utilization of Metal Mineral Resources of China Geological Survey, Chengdu 610041, Sichuan, China
3.
Technology Innovation Center for Comprehensive Utilization of Strategic Mineral Resources, Ministry of Natural Resources, Chengdu 610041, Sichuan, China

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Received Date: 2024-07-01
Available Online: 2024-10-30
Publish Date: 2024-10-30

Abstract

Abstract

In order to find out the ore properties of a low-grade refractory vanadium-titanium magnetite ore and the factors affecting the beneficiation index, carried out detailed process mineralogy research. The research shows that the ore is a low-grade vanadium-titanium magnetite ore of gabbro type. The grade of TiO₂ is 4.53 %, the grade of TFe is 14.06% and the content of other valuable elements is low. Titanomagnetite is the target mineral for beneficiation recovery of iron, in which the distribution rate of iron accounts for 47.892% of the total iron. Ilmenite is the target mineral for beneficiation recovery of titanium, and its distribution rate of titanium accounts for 60.881% of the total titanium. The solid solution separation minerals, altered minerals chlorite and apatite are common in titanomagnetite. The particle size is fine and the dissemination is complex. It is difficult to effectively dissociate from titanomagnetite by grinding, and it is easy to be mixed with iron concentrate to affect the quality of iron concentrate. The ilmenite also contains trace alteration minerals such as titanite and fine-grained titanomagnetite, apatite and sulfide. The addition of titanomagnetite to the ilmenite concentrate will lead to the increase of Ca, Mg, Si, S and P in the ilmenite concentrate, which will affect the quality of the concentrate. At the same time, the lamellar ilmenite and ilmenite in titanomagnetite are difficult to be effectively dissociated by grinding, and it is easy to enter the iron concentrate with titanomagnetite in the iron separation process. This part of ilmenite is a reasonable loss.
- low-grade vanadium-titanium magnetite,
- occurrence state,
- process mineralogy,
- theoretical grade,
- mineral processing technology

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References

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