Kar, B C (1954) High purity electrolytic manganese from low-grade ore as a substitute for various forms of manganese now being used in Metallurgical Industries. Other (TMP). CSIR-NML, Jamshedpur, Jamshedpur.
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India produces about 1 million tons of high grade manganese ores every year and about the same quantity of low-grade ores is being dumped in the mining area. Besides high grade ores she has abundant resources of low-grade ores for which there is practically no market. Investigations have already been undertaken in this country under the Five Year Plan to utilise these low grade ores by different methods of beneficiation and also by the production of high purity electrolytic manganese. The purpose of this article is to discuss in the light of the experiments carried out in U.S.A. that high purity electrolytic manganese from low-grade ores can be substituted for different forms of manganese specially ferromanganese now being employed in metallurgical industries. The main advantages in using electrolytic manganese is tis comparatively high cost of production. A substantial reduction in the price can be expected if the demand for electrolytic manganese is 31 cents per pound. It has been estimated by the U.S. Bureau of Mines that a 40 ton per day electrolytic manganese plant the total operating coast exclusive of taxes, interest, ore scales and plant insurance comes to about 7.2 cents per pound.
|Project Reports (Other (TMP))
|electrolytic manganese, manganese ores, ferromanganese ,low-grade ore, non-ferrous alloys
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|Dr Mita Tarafder
|21 Jul 2022 14:38
|21 Jul 2022 14:38
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