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- W4224238269 abstract "In this study, a novel technology for the comprehensive utilization of low-grade iron ore is presented. For the iron ore with a Fe content of 24.91%, a pilot-scale study of pre-concentration, suspension magnetization roasting, grinding, and low-intensity magnetic separation was conducted, and an iron concentrate with a grade of 62.21% and a recovery of 85.72% was obtained. The products were analysed using chemical elemental analysis, particle size analysis, X-ray diffraction, scanning electron microscopy, and vibrating sample magnetometry. The results indicated that hematite was reduced by CO and H2 mixture and transformed into ferrimagnetic magnetite in the suspension magnetization roasting, which was easily recovered in the subsequent magnetic separation. Additionally, a pre-concentration tailing with a SiO2 content of 81.55% and a magnetic tailing of the roasted ore with a SiO2 content of 79.57% were obtained, which can be used as building materials. This presents significant implications for the comprehensive utilization of low-grade iron ore." @default.
- W4224238269 created "2022-04-26" @default.
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- W4224238269 date "2022-04-18" @default.
- W4224238269 modified "2023-10-12" @default.
- W4224238269 title "Novel Technology for Comprehensive Utilization of Low-Grade Iron Ore" @default.
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- W4224238269 doi "https://doi.org/10.3390/min12040493" @default.
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