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The leaching mechanism of manganese and iron ores is well documented in literature sahoo et al., 2001, michelis et al., 2009, zhang et al., 2013, cheng et al., 2009, nayl et al., 2011, adrover et al.It is found that oxalic acid is a weak acid and it can be used to selectively leach the iron from manganese ores in the absence of a.
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