Abstract
Smelting-acid leaching process is a way to treat high-content arsenic containing copper. However, smelting process makes a low recovery of valuable metals and acid-leaching process makes large amounts of arsenic-iron slag. Arsenic sulphuration volatilization at a low temperature was studied in this paper and valuable metals were recovered with different methods. Arsenic recycled as As2O3 was separated from other valuable metals selectively and calcines were treated by acid pressure leaching. Indium and copper in leaching liquor were made into sponge indium/copper after the processes of extraction-re-extraction-displacing process (ERD process) and displacing process. ZnSO4·7H2O was collected after concentrating while recovering zinc. Metals, such as tin, bismuth and lead, were recycled as raw materials for tin metallurgy.
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© 2017 The Minerals, Metals & Materials Society
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Li, X., Liu, D. (2017). Recovery of Valuable Metals from High-Content Arsenic Containing Copper Smelting Dust. In: Kim, H., Alam, S., Neelameggham, N., Oosterhof, H., Ouchi, T., Guan, X. (eds) Rare Metal Technology 2017. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-51085-9_19
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DOI: https://doi.org/10.1007/978-3-319-51085-9_19
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