Subramanya, G V and Dasgupta, S B and Narayanan, P I A (1958) Semi Pilot Plant studies on the beneficiation of a ferruginous manganese ore from Joda West Mines of Tata Iron and Steel Company Limited and Proposal for a Plant of capacity 600 tons/day employing the low temperature Magnetising reduction process. Other (TMP). CSIR-NML, Jamshedpur, Jamshedpur.
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An ingenuous process based on low temperature magnetising gaseous reduction has grade manganese concentrates from ferruginous low grade manganese ores. This process excludes external heat for the reduction process and yields a friable product which can be very easily crushed and ground for the subsequent magnetic separation. A concentrate of grade about 52% Mn with a Mn:Fe ratio of 7:1 is obtained from a low grade ore from the Mines of Tata Iron and Steel Co. Ltd., in Keonjhar District, Orissa, assaying 27.2% Mn, 24.2% Fe, 7.53% SiO2, 7.43% Al2O3, and 0.09% P., with a manganese recovery of 62.0%. Three tons of low grade ore are required to produce a ton of manganese concentrate suitable for making standard grad ferromanganese. The cost of this concentrates is estimated at about Rs. 85/- per ton inclusive of cost of mining, upgrading treatment, briquetting and depreciation on the basis of an estimated capital outlay of Rs. 90 lakhs required for a plant to upgrade 600 tons of low grade ore per day. A plant of this size can produce enough concentrates to feed a plant with a produced capacity of 36,000 tons of standard grade ferromanganese per year. Proposals are put forward for a plant to beneficiate 600 tons/day of the above ferruginous ore and suggested machinery required for the purpose and capital cost for same.
|Project Reports (Other (TMP))
|Joda West Mines of Tata Iron and Steel, beneficiation, ferruginous manganese ore, high grade ferromanganese upgrading treatment, magnetic reduction process, manganese oxide minerals, magnetic separation
|Information Management and Dissemination Centre
|Dr Mita Tarafder
|12 Sep 2022 15:58
|12 Sep 2022 15:58
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