Prospects of Utilization of Low Grade Iron Ore from Kiriburu

Pani, Santosh and Singh, Siddharth and Paramanick, Subhajit and Dey, Shobhana and Das, Avimanyu (2011) Prospects of Utilization of Low Grade Iron Ore from Kiriburu. In: Proceedings of the XII International Seminar on Mineral Processing Technology (MPT-2011), Oct 20-22, 2011, Udaipur, India.

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In the present investigation low grade iron ore containing around 54% Fe, 5%SiO 2 and 8% Al 2 O 3 was taken up. It was observed that in the coarser fraction (-30+10 mm) the Fe content is 60% while the finer fractions in the size range of -10+0.15 mm contain around 54% Fe. The -0.15mm fraction contains less than 35% Fe and was rejected. No significant enrichment was observed for the -30+10 mm fraction using gravity concentration. However, magnetic separation of this fraction in permroll resulted in the generation of a concentrate with 19% yield at 62.75% Fe. In all size fractions ranges between -10 to 0.15 mm gravity concentration techniques were found to be ineffective. Therefore, for further recovery of iron values, the tailings from the magnetic separation of -30+10 mm fraction and the original finer material (-10+0.15 mm) were ground to - 0.15mm and subjected to wet high intensity magnetic separation after desliming to obtain pellet grade concentrate.

Item Type:Conference or Workshop Item (Paper)
Official URL/DOI:
Uncontrolled Keywords:Magnetic separation, Desliming, Lean iron ore
Divisions:Mineral Processing
ID Code:5989
Deposited By:Dr. A K Sahu
Deposited On:10 Sep 2012 11:59
Last Modified:10 Sep 2012 11:59
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