提高褐锰矿氧化率的试验研究
Research on raise braunite oxidation ratio
矿石矿物主要有硬锰矿、软锰矿、褐锰矿、菱锰矿、钙菱锰矿等。脉石矿物主要有磁铁矿、针铁矿、黄铁矿等。
Ore minerals are composed of psilomelane , pyrolusite , braunite , rhodochrosite and manganocalcite and gangue minerals are composed of magnetite , goethite and pyrite and so on .
褐锰矿