Jan 15, 2019 · Although the direct reduction leaching of manganese ores achieves about 90% Mn leaching efficiency and 80% Fe leaching efficiency, this process can be used for leaching manganese ores with lower iron content (Pagnanelli et al., 2004, Tian et al., 2010, Azizi et al., 2012, Liu et al., 2014b, Tang et al., 2014). For the high-grade manganese ores ...
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