reduction roasting method for manganese ore

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Reduction Roasting Method For Manganese Ore

manganese ores by gravity methods were adopted for removal of nonferrous gangue minerals and for the improvements in Mn to Fe ratio was majorly found in reduction roasting followed by magnetic separation (Rao.G.V 1998, Huaming.Y 1998). Ferruginous manganese ores at Sandur area of Bellary district, Karnataka-India are The article presents the reduction roasting followed by low intensity magnetic separation studies of a low grade Mn ore assaying 27.7% Mn and 26.1% Fe in order to obtain a Mn rich non-magnetic concentrate. The reflected light microscopic studies followed by the liberation studies of the as-received sample using quantitative mineralogical evaluation by scanning electron microscope suggested a ...