Abstract
The recovery of metals from a multi-component alloy obtained by crushing, melting and anodic dissolu-tion of waste from electric and electronic equipment(WEEE) was investigated. The anodic dissolution of the alloy was carried out in an electrolysis cell with one copper cathode and a central cast anode, immersed in the electrolyte formed by choline chloride-ethylene glycol-iodine. The temperature of the electrolyte during the process was 343 K. Depending on the electrolysis parameters(current density and cell voltage), cathodic deposits of Sn, Pb and Zn of >99% purity were obtained. Cyclic voltammetry was used in order to determine the deposition potentials of the studied metals. The obtained metallic deposits were subject of determination of XRD, SEM/EDX and AFM in order to evidence the deposits structure and morphology. The experiments performed demonstrated the possibility of separating/selective recovery of metals from the multi-component alloy resulted from the waste from electrical and electronic equipment by anodic dissolution in ionic liquids.
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Supported by the MEN-UEFISCDI Romania Through Joint Applied Research Project(No.PN-II 82/2014).
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Popescu, A.M., Yanushkevich, K., Soare, V. et al. Recovery of metals from anodic dissolution slime of waste from electric and electronic equipment(WEEE) by extraction in ionic liquids. Chem. Res. Chin. Univ. 34, 113–118 (2018). https://doi.org/10.1007/s40242-017-7225-4
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DOI: https://doi.org/10.1007/s40242-017-7225-4