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2014•Advanced materials researchOpen access

Processing on a Hematite-Limonite Ore by HGMS and Gravity Concentration

Jian Wu Zeng, Lu Zheng Chen, Li Ding

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Abstract

A laboratory investigation was carried out to beneficiate a hematite-limonite ore. The ore assays 39.69% Fe and the primary iron minerals in the ore are hematite and limonite, with a relatively high S content of 0.14%. On the basis of the analysis of the ore, a “grinding-HGMS rouging and scavenging-table cleaning” process is proposed to treat the ore; and the results of the process indicates that an iron concentrate assaying 48.06% Fe with 43.02% recovery was achievable from the ore through the process, with low content of Si02 and deleterious elements such as S and P.

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What this paper is about

A laboratory investigation was carried out to beneficiate a hematite-limonite ore. The ore assays 39.69% Fe and the primary iron minerals in the ore are hematite and limonite, with a relatively high S content of 0.14%. On the basis of the analysis of the ore, a “grinding-HGMS rouging and scavenging-table cleaning” process is proposed to treat the ore; and the results of the process indicates that an iron concentrate assaying 48.06% Fe with 43.02% recovery was achievable from the ore through the process, with low content of Si02 and deleterious elements such as S and P.

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Available abstract

A laboratory investigation was carried out to beneficiate a hematite-limonite ore. The ore assays 39.69% Fe and the primary iron minerals in the ore are hematite and limonite, with a relatively high S content of 0.14%. On the basis of the analysis of the ore, a “grinding-HGMS rouging and scavenging-table cleaning” process is proposed to treat the ore; and the results of the process indicates that an iron concentrate assaying 48.06% Fe with 43.02% recovery was achievable from the ore through the process, with low content of Si02 and deleterious elements such as S and P.

Key concepts: Limonite, Hematite, Iron ore, Metallurgy, Grinding, Materials science

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