Dasgupta, S B and Narayanan, P I A (1958) Beneficiation of low grade Manganese dioxide ore from Amritapura in Chitaldroog District, Mysore. Other (TMP). CSIR-NML, Jamshedpur, Jamshedpur.
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Abstract
A Sample of low grade manganese dioxide ore from Amritapura in Chitaldroog District, Mysore was received from M/s. Devidayal (Sales) Private Ltd. assayed 29.87% Mn, 46.62% XnO2, 6.86% Fe, 35.45% SiO2, 3.80% Al2O3, 0.08% P,1.12% alkalies and 0.33% BaO. Pyrolusite was the chief manganese mineral while quartz was the predominant gangue. The other gangue minerals were goethite, muscovite, feldspar, garnet and biotite. Tabling of the sample gave a good grade of concentrates but the recovery was only 23.5%. Flotation employing fatty acid at a pH of 10.0 yielded satisfactory results. A concentrate assaying 55.11% Mn (containing 86.36% MnO2) could be obtained with a recovery of 60.9% Mn.
| Item Type: | Project Reports (Other (TMP)) |
|---|---|
| Uncontrolled Keywords: | Pyrolusite, low grade Manganese dioxide ore, quartz, goethite, muscovite, feldspar, garnet and biotite, flotation, fatty acid |
| Subjects: | Metallurgy > Minerals > Mineral Processing |
| Divisions: | Information Management and Dissemination Centre |
| Depositing User: | Users 43 not found. |
| Date Deposited: | 06 Sep 2022 09:51 |
| Last Modified: | 06 Sep 2022 09:51 |
| URI: | http://eprints.nmlindia.org/id/eprint/9205 |
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