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Copper Precipitation Process with Arsenic Sulfide Residue for Acid Leaching Solution of Electrostatic Precipitator Dust from Copper Smelting Production
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Yuncong MA1, Jun XU2, Zonghua SHE1, Hao LUO1
Mining and Metallurgical Engineering | 2023, 43(6) : 116 - 118
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Mining and Metallurgical Engineering | 2023, 43(6): 116-118
• METALLURGY •
Copper Precipitation Process with Arsenic Sulfide Residue for Acid Leaching Solution of Electrostatic Precipitator Dust from Copper Smelting Production
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Yuncong MA1, Jun XU2, Zonghua SHE1, Hao LUO1
Affiliations
  • 1.Changsha Research Institute of Mining and Metallurgy Co Ltd, Changsha 410012, Hunan, China
  • 2.Guangxi Jinchuan Nonferrous Metals Co Ltd, Fangchenggang 538000, Guangxi, China
Published: 2023-12-01 doi: 10.3969/j.issn.0253-6099.2023.06.025
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The acid leaching solution of electrostatic precipitator dust from copper smelting has a high concentration of sulfuric acid, in which the iron and arsenic exist in the form of Fe3+and As5+, thus it is decided to adopt arsenic sulfide residue as the precipitant for copper precipitation. Firstly, an experiment was performed on the addition of arsenic sulfide residue in single Cu2+ and Fe3+ solution with different acid concentrations. Based on that, an experiment was performed for copper precipitation and arsenic leaching in the actual acid leaching solution. The results show that in the process of copper precipitation with arsenic sulfide residue, oxidation and reduction reactions between Fe3+ and S2- occur firstly, which is followed by oxidation and reduction reactions of As5+ and S2-, and finally a sulfurization reaction for precipitation of Cu2+. When the addition of arsenic sulfide residue is at an amount of 1.4 times the theoretical amount, it is shown that the copper precipitation rate is relatively higher, but the rate of arsenic dissolution is lower.

copper smelting  /  electrostatic precipitator dust  /  arsenic sulfide residue  /  copper precipitation  /  dissolution  /  arsenic  /  iron  /  high acidity
Yuncong MA, Jun XU, Zonghua SHE, Hao LUO. Copper Precipitation Process with Arsenic Sulfide Residue for Acid Leaching Solution of Electrostatic Precipitator Dust from Copper Smelting Production[J]. Mining and Metallurgical Engineering, 2023 , 43 (6) : 116 -118 . DOI: 10.3969/j.issn.0253-6099.2023.06.025
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Article Info
doi: 10.3969/j.issn.0253-6099.2023.06.025
  • Receive Date：2023-07-01
  • Online Date：2026-03-05
  • Published：2023-12-01
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  • Received：2023-07-01
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Affiliations
    1.Changsha Research Institute of Mining and Metallurgy Co Ltd, Changsha 410012, Hunan, China
    2.Guangxi Jinchuan Nonferrous Metals Co Ltd, Fangchenggang 538000, Guangxi, 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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