Recovery of Metals from Anodic Dissolution Slime of Waste from Electric and Electronic Equipment（WEEE） by Extraction in Ionic Liquids  

作　　者：Ana Maria POPESCU Kazimir YANUSHKEVICH Vasile SOARE Cristina DONATH Elena Ionela NEACSU Virgil CONSTANTIN 

机构地区：[1]"Ilie Murgulescu" Institute of Physical Chemistry of Romanian Academy,Laboratory of Electrochemistry and Corrosion, Splaiul lndependentei 202, Bucharest 060021, Romania [2]Scientific-Practical Materials Research Centre, National Academy of Belarus, P. Brovki 19 str., 220072 Minsk, Belarus [3]National R&D Institute for Nonferrous and Rare Metals-IMNR, 102 Biruintei Blvd., Pantelimon, Ilfov County, Romania

出　　处：《Chemical Research in Chinese Universities》2018年第1期113-118,共6页高等学校化学研究（英文版）

摘　　要：The recovery of metals from a multi-component alloy obtained by crushing, melting and anodic dissolution 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.The recovery of metals from a multi-component alloy obtained by crushing, melting and anodic dissolution 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.

关 键 词：Metals recovery Ionic liquid Waste from electric and electronic equipment（WEEE） 

分 类 号：O614[理学—无机化学] TM911.4[理学—化学]