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Study of the Process of Electro Evolution of Copper Ions from Waste Regeneration Solutions
(2020) Trokhymenko, Ganna; Magas, Nataliya; Gomelya, Nikolai; Trus, Inna; Koliehova, Anastasiia
The article presents the results of the study on the process of copper electroevolution from the regeneration solutions in one- and two-chamber electrolyzers at different concentrations of sulfuric acid and the solutions of copper chlorides at different concentrations of hydrochloric acid – in a three-chamber electrolyzer. The conditions of electrochemical recovery of heavy metals from acidic and saline solutions were determined. It was shown that the most effective recovery of heavy metal cations from hydrochloric acid solutions occurs in three-chamber electrolyzers. On the basis of the results obtained, a technological scheme of a local plant for treatment of washing water of galvanic industries was proposed.