design of vietnam manganese ore concentrator
heap leaching in manganese ore long working life. Reducing agents in the leaching of manganese ores A . Aug 01 2019 · Manganese leaching from a lowgrade manganese ore using cane molasses as a reducing agent and dilute sulphuric acid medium was investigated Su et al 2008 The optimum leaching conditions were 19 M H 2 SO 4 and 60 gL cane …
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