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| Review of reduction technology of low grade pyrolusite |
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Received:October 24, 2018
Revised:December 04, 2018
Accepted:January 08, 2019
Published Online:June 26, 2019
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| DOI： |
| KeyWord:low-grade pyrolusite; microwave reduction; direct reduction leaching; biomass pyrolysis reduction |
| Author | Institution |
| Likangqiang |
Key laboratory of Unconventional Metallurgy, Ministry of Education, Kunming University of Science and Technology, Kunming, Yunnan , China |
| Li Xinpei |
Key laboratory of Unconventional Metallurgy, Ministry of Education, Kunming University of Science and Technology, Kunming, Yunnan , China |
| He Fei |
Key laboratory of Unconventional Metallurgy, Ministry of Education, Kunming University of Science and Technology, Kunming, Yunnan , China |
| Chen Guo |
Key Laboratory of Resource Clean Conversion in Ethnic Regions, Education Department of Yunnan, Yunnan Minzu University, Kunming, Yunnan , China |
| Chen Jin |
Key laboratory of Unconventional Metallurgy, Ministry of Education, Kunming University of Science and Technology, Kunming, Yunnan , China |
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| Abstract: |
| Manganese has been widely applied in the steel industry, non-ferrous metallurgy, batteries, electronics and other fields. Therefore, for improving the resource utilization rate of a large number of low-grade pyrolusite, especially the optimization of the process of producing manganese monoxide from pyrolusite, and reducing the production cost, further to promote the efficient utilization of manganese ore resources and the quality upgrade of manganese products, the reduction process and research progress of low-grade pyrolusite at home and abroad in recent years were reviewed in this paper; moreover, the selection and application of reducing agent in wet leaching low-grade pyrolusite process were introduced, aiming at providing a theoretical basis for the rational development and utilization of different low-grade pyrolusite. |
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