Designing Process for Beneficiation of Low Grade Iron Ore Samples from Orissa

Jun 17th, 2015
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India is endowed with large reserves of iron ore which is the basic raw material for iron and steel making.

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Designing Process for Beneficiation of Low Grade Iron Ore Samples from OrissaR. Singh, S.C. Maulik, R.K. Rath, S. Dey, A. Das, B. Nayak and K.K. BhattacharyyaMineral Processing DivisionNational Metallurgical Laboratory, Jamshedpur-831 007, IndiaABSTRACT: The paper deals with the results of characterization and beneficiation studies carried out on low grade iron ore samples from Orissa. Beneficiation of the two individual samples and their composite based on gravity and magnetic separation techniques resulted in products with varying yield and grade of the products. The results of laboratory studies were validated through pilot scale trials. Based on the studies undertaken process was designed for beneficiation of the composite sample, comprising 60% S1 and 40% S2, to a high grade product assaying over 65% Fe. Detailed material balance for the designed process was also undertaken.1. INTRODUCTIONIndia is endowed with large reserves of iron ore which is the basic raw material for iron and steel making. Though Indian iron ore is rich in iron but it contains high alumina which is not favourable for efficient operation of blast furnace. Presently most of the Indian iron ore min

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