Research Status and Development Trend of Beneficiation Technology for Donganshan iron Ore with Low Grade and Complex Composition

YANG Guang; SU Xingguo; MA Zifei; ZHANG Xiaolong; LI Yanjun

doi:10.13779/j.cnki.issn1001-0076.2021.05.020

2021 Vol. 41, No. 5

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Article navigation > Conservation and Utilization of Mineral Resources > 2021 > 41(5): 140-148

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YANG Guang, SU Xingguo, MA Zifei, ZHANG Xiaolong, LI Yanjun. Research Status and Development Trend of Beneficiation Technology for Donganshan iron Ore with Low Grade and Complex Composition[J]. Conservation and Utilization of Mineral Resources, 2021, 41(5): 140-148. doi: 10.13779/j.cnki.issn1001-0076.2021.05.020

Citation:

YANG Guang, SU Xingguo, MA Zifei, ZHANG Xiaolong, LI Yanjun. Research Status and Development Trend of Beneficiation Technology for Donganshan iron Ore with Low Grade and Complex Composition[J]. Conservation and Utilization of Mineral Resources, 2021, 41(5): 140-148. doi: 10.13779/j.cnki.issn1001-0076.2021.05.020

Research Status and Development Trend of Beneficiation Technology for Donganshan iron Ore with Low Grade and Complex Composition

1.
Donganshan Sintering Plant of Anshan Iron and Steel Group Co., Ltd., Anshan 114000, China
2.
College of Resources and Civil Engineering, Northeastern University, Shenyang 110819, China

More Information

Corresponding author: ZHANG Xiaolong

Received Date: 04 October 2021

Publish Date: 25 October 2021

Abstract

Abstract

Donganshan Iron ore is rich in resources and reserves, but it is a typical refractory iron ore with low grade, complex composition, fine disseminated particle size and poor grinding characteristics.The existing beneficiation process has many problems, such as complex production process, low efficiency of coarse/fine classification and regrinding, poor effect of gravity separation and inefficient utilization of carbonate-containing iron ore and tailings.This study summarized the beneficiation technology progress of Donganshan iron ore in recent years, new technologies of "grinding-low intensity magnetic separation and high intensity magnetic separation-stirring grinding-reverse flotation" for poor hematite ore, "suspension magnetization roasting-magnetic separation" for carbonate bearing iron ore, and " preconcentration of magnetic separation-suspension magnetization roasting-magnetic separation" for the final flotation tailings were proposed, which provided a new idea for the efficient development and utilization of Donganshan iron ore.
- Donganshan /
- hematite ore /
- carbonate-containing iron ore /
- suspension magnetization roasting /
- reverse flotation

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References

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