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Experimental Study on Roasting and Leaching of Sulfur-Cobalt Concentrate
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Peng HUANG1, 2, Ming BAI3, Shuang LIU1, 2, Jian KANG1, 2, Lishuai DONG3, Zhanqiang LI4
Mining and Metallurgical Engineering | 2025, 45(1) : 109 - 112
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Mining and Metallurgical Engineering | 2025, 45(1): 109-112
• METALLURGY •
Experimental Study on Roasting and Leaching of Sulfur-Cobalt Concentrate
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Peng HUANG1, 2, Ming BAI3, Shuang LIU1, 2, Jian KANG1, 2, Lishuai DONG3, Zhanqiang LI4
Affiliations
  • 1.Hubei Geological Research Laboratory, Wuhan 430034, Hubei, China
  • 2.Key Laboratory of Rare Mineral Resources, Ministry of Natural Resources, Wuhan 430034, Hubei, China
  • 3.Ninth Team of Hebei Bureau of Geology and Mineral Resources, Xingtai 054000, Hebei, China
  • 4.Guangdong Institute of Mineral Resource Applications, Shaoguan 512026, Guangdong, China
Published: 2025-02-01 doi: 10.3969/j.issn.0253-6099.2025.01.020
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For recovering the cobalt in a sulfur-cobalt concentrate mainly occurring as isomorphism in pyrite and magnetite, an experimental study was carried out by adopting roasting and leaching process. The results show that the sulfur-cobalt concentrate, at the fineness of -0.074 mm 80%, was firstly roasted at 620 ℃ for 3 h by adding sodium sulfite as an aid at an amount of 5% of the mass weight of sulfur-cobalt concentrate, and then leached for 2 h at 90 ℃ with sulfuric acid at an amount of 20% of the mass weight of sulfur-cobalt concentrate, liquid-solid ratio of 2∶1, leading to a cobalt leaching rate of 85.85%. It is found that sulfur-cobalt concentrate is transformed into hematite after oxidizing roasting, and cobalt in the roasted ore mainly exists in the form of cobalt oxide and cobalt sulfate.

roasting  /  leaching  /  sulfur-cobalt concentrate  /  cobalt  /  roasting additive  /  cobalt oxide  /  cobalt sulfate
Peng HUANG, Ming BAI, Shuang LIU, Jian KANG, Lishuai DONG, Zhanqiang LI. Experimental Study on Roasting and Leaching of Sulfur-Cobalt Concentrate[J]. Mining and Metallurgical Engineering, 2025 , 45 (1) : 109 -112 . DOI: 10.3969/j.issn.0253-6099.2025.01.020
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Year 2025 volume 45 Issue 1
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doi: 10.3969/j.issn.0253-6099.2025.01.020
  • Receive Date：2024-08-25
  • Online Date：2026-03-17
  • Published：2025-02-01
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  • Received：2024-08-25
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Affiliations
    1.Hubei Geological Research Laboratory, Wuhan 430034, Hubei, China
    2.Key Laboratory of Rare Mineral Resources, Ministry of Natural Resources, Wuhan 430034, Hubei, China
    3.Ninth Team of Hebei Bureau of Geology and Mineral Resources, Xingtai 054000, Hebei, China
    4.Guangdong Institute of Mineral Resource Applications, Shaoguan 512026, Guangdong, 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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