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Separation of Manganese and Lead from Electrolytic Manganese Anode Slime by Reduction Roasting and Acid Leaching Process
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Tengfa LONG1, 2, Yao JIN1, Wenli TANG1, Gengfei TANG3, Zhigang ZHU4, Huanyu ZHOU1, Chunqiang CHEN1, 2, Qiang HUO1, 2
Mining and Metallurgical Engineering | 2023, 43(6) : 128 - 132
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Mining and Metallurgical Engineering | 2023, 43(6): 128-132
• METALLURGY •
Separation of Manganese and Lead from Electrolytic Manganese Anode Slime by Reduction Roasting and Acid Leaching Process
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Tengfa LONG1, 2, Yao JIN1, Wenli TANG1, Gengfei TANG3, Zhigang ZHU4, Huanyu ZHOU1, Chunqiang CHEN1, 2, Qiang HUO1, 2
Affiliations
  • 1.School of Environment and Resources, Guangxi Normal University, Guilin 541004, Guangxi, China
  • 2.Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, Guilin 541004, Guangxi, China
  • 3.Jingxi Daxinan Manganese Industry Co Ltd, Jingxi 533803, Guangxi, China
  • 4.Changsha Xiangren Manganese Industry Technology Co Ltd, Changsha 410006, Hunan, China
Published: 2023-12-01 doi: 10.3969/j.issn.0253-6099.2023.06.028
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Electrolytic manganese anode slime (EMAS) was processed by adopting sulfur-based reduction roasting and sulfuric acid leaching to separate manganese and lead therein. The effects of roasting temperature, molar ratio of sulfur to manganese, roasting time, particle size of EMAS, stirring speed in leaching, leaching temperature, leaching time, solid-liquid ratio and sulfuric acid concentration on separation of manganese and lead were studied. The results show that with the optimized roasting conditions, including roasting temperature of 550 ℃, molar ratio of sulfur to manganese at 1∶1, roasting time of 50 min, EMAS at particle size of -0.177 mm, and optimized acid leaching conditions including stirring speed of 350 r/min, leaching temperature of 40 ℃, leaching time of 20 min, solid-liquid ratio at 1∶20, and sulfuric acid concentration of 2.5 mol/L, the leaching rate of manganese from EMAS can reach 97.4%, and the concentration of manganese ions in filtrate is 38.84 g/L, while the content of Pb in leaching residue is 45.26%. As a result, the effective separation between manganese and lead can be actualized.

electrolytic manganese anode slime (EMAS)  /  sulfur  /  reduction roasting  /  sulfuric acid leaching  /  manganese  /  lead
Tengfa LONG, Yao JIN, Wenli TANG, Gengfei TANG, Zhigang ZHU, Huanyu ZHOU, Chunqiang CHEN, Qiang HUO. Separation of Manganese and Lead from Electrolytic Manganese Anode Slime by Reduction Roasting and Acid Leaching Process[J]. Mining and Metallurgical Engineering, 2023 , 43 (6) : 128 -132 . DOI: 10.3969/j.issn.0253-6099.2023.06.028
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Year 2023 volume 43 Issue 6
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Article Info
doi: 10.3969/j.issn.0253-6099.2023.06.028
  • Receive Date：2023-06-01
  • Online Date：2026-03-05
  • Published：2023-12-01
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  • Received：2023-06-01
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Affiliations
    1.School of Environment and Resources, Guangxi Normal University, Guilin 541004, Guangxi, China
    2.Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, Guilin 541004, Guangxi, China
    3.Jingxi Daxinan Manganese Industry Co Ltd, Jingxi 533803, Guangxi, China
    4.Changsha Xiangren Manganese Industry Technology Co Ltd, Changsha 410006, Hunan, China
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https://castjournals.cast.org.cn/joweb/kygczz/EN/10.3969/j.issn.0253-6099.2023.06.028
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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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