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Research Situation in the Reduction Leaching of Oxidation Manganese Ore

LI Jinzhong,ZHONG Hong(Key Laboratory of Resources Chemistry of Nonferrous Metals,Central SouthUniversity,Changsha,Hunan 410083,China)  
The technological progress of the reduction leaching process of manganese oxide ore are reviewed in this article.The leaching process and reaction mechanism of reducing manganese oxide ore for different reductant are presented.Meanwhile,the choice of reductant and corresponding reaction kinetics are summarized as well.The results indicate that the hydrometallurgical reducing process of manganese oxide has some advantages,such as high leaching rate,less environmental pollution and low producing cost.
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