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Preparation of Manganese-Rich Phase by Precipitation of Rhodochrosite Leaching Solution
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Dehua MA1, 2, Jiawei WANG1, 2, 3, Haifeng WANG1, 2, 3, Song WANG1, 2, Zhengqing PEI1, 2, Xingjie ZHOU1, 2, Kexin ZHENG1, 2, Ju LU1, 2
Mining and Metallurgical Engineering | 2024, 44(6) : 108 - 111
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Mining and Metallurgical Engineering | 2024, 44(6): 108-111
• METALLURGY •
Preparation of Manganese-Rich Phase by Precipitation of Rhodochrosite Leaching Solution
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Dehua MA1, 2, Jiawei WANG1, 2, 3, Haifeng WANG1, 2, 3, Song WANG1, 2, Zhengqing PEI1, 2, Xingjie ZHOU1, 2, Kexin ZHENG1, 2, Ju LU1, 2
Affiliations
  • 1.College of Materials and Metallurgy, Guizhou University, Guiyang 550025, Guizhou, China
  • 2.Guizhou Key Laboratory of Metallurgical Engineering and Process Energy Conservation, Guiyang 550025, Guizhou, China
  • 3.Guizhou Engineering Research Center of Manganese Materials for Batteries, Tongren 554300, Guizhou, China
Published: 2024-12-01 doi: 10.3969/j.issn.0253-6099.2024.06.023
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Manganese-rich phase with low impurity content was prepared with manganese sulfate crude solution by precipitation. A single-factor experiment was carried out to explore effects of reaction time, reaction temperature, pH value and feeding speed of precipitating agent on precipitation efficiency, and then the content of impurity in the finally prepared manganese-rich phase was also analyzed. After the leaching solution with Mn2+ in mass concentration of 38 g/L, and pH of 8.0 was precipitated at 60 ℃ for 4 h, with R as precipitating agent fed at a speed of 0.5 L/h, the conversion rate of Mn2+ was 94.3%. The ICP and EDS analyses showed that there were low content of impurity ions (K, Na, Ca, Mg) in the precipitate of manganese-rich phase.

rhodochrosite leaching solution  /  precipitation  /  manganese-rich phase  /  impurity removal  /  manganese  /  rhodochrosite
Dehua MA, Jiawei WANG, Haifeng WANG, Song WANG, Zhengqing PEI, Xingjie ZHOU, Kexin ZHENG, Ju LU. Preparation of Manganese-Rich Phase by Precipitation of Rhodochrosite Leaching Solution[J]. Mining and Metallurgical Engineering, 2024 , 44 (6) : 108 -111 . DOI: 10.3969/j.issn.0253-6099.2024.06.023
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Year 2024 volume 44 Issue 6
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doi: 10.3969/j.issn.0253-6099.2024.06.023
  • Receive Date：2024-06-01
  • Online Date：2026-03-19
  • Published：2024-12-01
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  • Received：2024-06-01
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Affiliations
    1.College of Materials and Metallurgy, Guizhou University, Guiyang 550025, Guizhou, China
    2.Guizhou Key Laboratory of Metallurgical Engineering and Process Energy Conservation, Guiyang 550025, Guizhou, China
    3.Guizhou Engineering Research Center of Manganese Materials for Batteries, Tongren 554300, Guizhou, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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