The technical approach of acidic leaching of pyrolusiteore, purifying of manganese leaching solution, and crystallizing of manganese carbonate from purified manganese solution was studied.
探讨了软锰矿直接酸浸、含锰浸出液净化除杂、锰净化液碳化结晶等工艺条件。
2
Ore minerals are composed of psilomelane, pyrolusite, braunite, rhodochrosite and manganocalcite and gangue minerals are composed of magnetite, goethite and pyrite and so on.