[b] Characterization Driven Processing of Indian Iron Ore Slime[/b]
Journal Title: International Journal of Research in Chemistry and Environment (IJRCE) - Year 2013, Vol 3, Issue 2
Abstract
[i] India is endowed with large reserves of high grade hematite ore. However, steady consumption of these iron ores is now a concern forcing to develop beneficiation strategies to utilize low grade iron ores. In India, iron ores are generally washed to remove the high alumina containing clayey matter. Conventionally, after washing, the lumps are directly fed to blast furnace and the fines are used after agglomerating them into sinter. However, the slimes are being rejected in the tailing ponds. These slimes in most cases contain substantial iron values in the range of 54–58% Fe. Therefore, it is imperative to recover iron values from these slimes because of high demand on the good grade iron ores day-by-day. The mineralogy of the slime sample though indicated that hematite is the major iron bearing phase, goethite also occurs in substantial quantity. Kaolinite and quartz were found to be the principal gangue minerals forming porous and friable oxides. Beneficiation studies indicated that a substantial rejection of silica and alumina could be obtained by means of physical separation.[/i]
Authors and Affiliations
Nayak Nirlipta P , Das Abhimanyu2 , Pal B. K
Keywords
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