Separation of iron from manganese ore roast‐leach liquorSeparation of Iron from Manganese Ore Roast-leach Liquor. Pravat K. Sahoo, Sarat C. Das, Subir K. Bosea and Sisir C. Sircara. Regional Research Laboratory.separation of iron from manganese ore,separation of iron from manganese ore,Patent US2737441 - Separation of manganese from iron and other .(Cl. 2s s7 This invention relates to the treatment of ores, and more particularly, to processes for the separation of manganese from iron and other undesirable ore.