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Preparation of Spherical Mn3O4 from Washing Solution of Electrolytic Manganese Residue
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Dejin FU1, 2, Haifeng WANG1, 2, 3, Bibo GOU1, 2, Mingdong LI1, 2, Qin WANG1, 2, Bifang HUANG1, 2, Jiawei WANG1, 2, 3
Mining and Metallurgical Engineering | 2023, 43(2) : 135 - 139
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Mining and Metallurgical Engineering | 2023, 43(2): 135-139
• MATERIALS •
Preparation of Spherical Mn3O4 from Washing Solution of Electrolytic Manganese Residue
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Dejin FU1, 2, Haifeng WANG1, 2, 3, Bibo GOU1, 2, Mingdong LI1, 2, Qin WANG1, 2, Bifang HUANG1, 2, Jiawei WANG1, 2, 3
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 Provincial Engineering Technology Research Center of Manganese Materials for Batteries, Tongren 554300, Guizhou, China
Published: 2023-04-01 doi: 10.3969/j.issn.0253-6099.2023.02.030
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A kind of spherical Mn3O4 was prepared in situ with manganese sulfate solution as raw material and air as oxidant, and the effects of factors, such as time and temperature of reaction process, the pH value of solution and air flow rate, on the properties of synthesized product were investigated. It is found that under the appropriated conditions, including reaction time of 6 h and reaction temperature of 80 ℃, pH of 9 for the solution and air flow rate at 20 L/min, the synthesized Mn3O4 has a micro-morphology of regular nano-spherical particles in a uniform size around 150 nm, showing a high crystallinity and a good dispersion. Its specific surface area is 9.85 m2/g and the tap density is 1.93 g/cm3.

manganese sulfate  /  spherical  /  trimanganese tetraoxide (Mn3O4)  /  electrolytic manganese residue  /  oxidant
Dejin FU, Haifeng WANG, Bibo GOU, Mingdong LI, Qin WANG, Bifang HUANG, Jiawei WANG. Preparation of Spherical Mn3O4 from Washing Solution of Electrolytic Manganese Residue[J]. Mining and Metallurgical Engineering, 2023 , 43 (2) : 135 -139 . DOI: 10.3969/j.issn.0253-6099.2023.02.030
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Year 2023 volume 43 Issue 2
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Article Info
doi: 10.3969/j.issn.0253-6099.2023.02.030
  • Receive Date：2022-10-26
  • Online Date：2026-03-05
  • Published：2023-04-01
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  • Received：2022-10-26
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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 Provincial Engineering Technology 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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