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Development of process for beneficiation of low-grade iron ore consisting of goethite

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Description: Low-grade iron ore received from the West Singhbhum area of Jharkhand state in India was used to develop a beneficiation flow sheet to remove alumina (Al2O3?) and silica (SiO2?) from the ore to get iron (Fe)-rich product for steel plants. Mineral characterization showed that the main mineral constituents present in the head sample are goethite, limonite, hematite, quartz, clay and gibbsite. The head sample contained about 49.2 percent Fe, 8.79 percent alumina and 12.01 percent silica. The received iron ore sample is amenable to upgradation through beneficiation to get pellet grade concentrate. The beneficiation process was established, involving crushing, screening, jigging, spiral separation, size reduction, desliming and magnetic separation. The process showed significant enrichment in Fe values to 63.5 percent Fe in concentrate, from 49.2 percent Fe. From the developed flow sheet, it is possible to obtain pellet grade fines with 63.5 percent Fe, 2.92 percent SiO2 and 2.61 percent Al2O3 with 50.6 percent weight recovery. The overall tailing loss is 49.4 percent with 34.3 percent Fe, 21.28 percent SiO2 and 14.64 percent Al2O3.
Published Date: February 18, 2018
Author(s)s: T. Umadevi, K. Abhishek, R. Sah and K. Marutiram
Format: PDF
Download Size: 2.66 MB
# Pages: 11

  • List Price: $50.00 USD

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Development of process for beneficiation of low-grade iron ore consisting of goethite
Back to Development of process for beneficiation of low-grade iron ore consisting of goethite

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