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Separation and Recovery Process of Tin,Zinc,and Cadmium from Tin Smelting Dust
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Shanlin SHI1, Wen LU1, Xinyu CAO2, Faxin XIAO2
Hydrometallurgy of China | 2024, 43(4) : 380 - 384
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Hydrometallurgy of China | 2024, 43(4): 380-384
• Experiment Research •
Separation and Recovery Process of Tin,Zinc,and Cadmium from Tin Smelting Dust
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Shanlin SHI1, Wen LU1, Xinyu CAO2, Faxin XIAO2
Affiliations
  • 1 Shenyang Nonferrous Metals Research Institute Co., Ltd., Shenyang 110141, China
  • 2 School of Metallurgy, Northeastern University, Shenyang 110141, China
Published: 2024-08-20 doi: 10.13355/j.cnki.sfyj.2024.04.004
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The sparation and recovery of tin, zinc and cadmium from tin smelting dust by sulfuric acid leaching—removing arsenic with oxidation hydrolysis—replacing cadmium with zinc powder were studied. And the effects of various factors on the sparation and recovery were investigated. The results show that the leaching rates of Zn and Cd are 93.25% and 89.35%, respectively, and the leaching rates of Sn are less than 0. 1% under the conditions of initial sulfuric acid concentration of 15%, liquid volume to solid mass ratio of 3∶1, leaching time of 120 min and leaching temperature of 90 ℃. When the amount of hydrogen peroxide is 2% and the control end point pH is 5, the mass concentration of As in the leaching solution can decrease to 0.1 mg/L after arsenic removal. Under the conditions of reaction temperature of 60 ℃, dosage of zinc powder 1.0 times of the theoretical amount, stirring speed of 250 r/min and reaction time of 30 min, sponge cadmium with cadmium content above 95% is obtained. The process can realize efficient recovery and utilization of valuable metals in tin smelting dust.

tin smelting dust  /  valuable metal  /  recovery  /  leaching  /  tin  /  zinc  /  cadmium  /  separation
Shanlin SHI, Wen LU, Xinyu CAO, Faxin XIAO. Separation and Recovery Process of Tin,Zinc,and Cadmium from Tin Smelting Dust[J]. Hydrometallurgy of China, 2024 , 43 (4) : 380 -384 . DOI: 10.13355/j.cnki.sfyj.2024.04.004
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Year 2024 volume 43 Issue 4
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doi: 10.13355/j.cnki.sfyj.2024.04.004
  • Receive Date：2023-01-17
  • Online Date：2025-09-10
  • Published：2024-08-20
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  • Received：2023-01-17
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    1 Shenyang Nonferrous Metals Research Institute Co., Ltd., Shenyang 110141, China
    2 School of Metallurgy, Northeastern University, Shenyang 110141, China
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Citations
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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