ELECTROLYTIC REMOVAL OF HEAVY METALS IONS FROM MURIATIC SOLUTIONS

  • N.D. Gomelya National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute», Kyiv
  • O.V. Hlushko National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute», Kyiv
  • G.G. Trohymenko Admiral Makarov National University of Shipbuilding, Mykolaiv
  • L.I. Butchenko Admiral Makarov National University of Shipbuilding, Mykolaiv
Keywords: electrolysis, catholyte, ion exchange, regeneration solution, copper, nickel, zinc

Abstract

The results of research on the electrochemical processing of acidic regeneration solutions containing heavy metals ions are presented. The use of a three-cell electrolyzer makes it possible to efficiently extract zinc, copper and nickel ions from muriatic solutions and to concentrate hydrochloric acid in the cell’s intermediate chamber. The paper studies the dependence of the current yield of heavy metals on the concentration of hydrochloric acid, the initial concentration of heavy metals in the cathode chamber, the duration of electrolysis and the concentration of hydrochloric acid in its concentrating zone. The yield of copper and zinc decreases with increasing of acidity in the initial solutions and in the intermediate chamber of the cell. The current yield of nickel is determined to be little depended on the initial concentration of hydrochloric acid. The results on the concentration of hydrochloric acid, depending on the duration of electrolysis, the initial concentration of acid and heavy metals in the catholyte are presented. Bibl. 9, Fig. 9.

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Author Biographies

N.D. Gomelya, National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute», Kyiv

Doctor of Technical Sciences, Professor

O.V. Hlushko, National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute», Kyiv

Candidate of Technical Sciences

G.G. Trohymenko, Admiral Makarov National University of Shipbuilding, Mykolaiv

Candidate of Biological Sciences

L.I. Butchenko, Admiral Makarov National University of Shipbuilding, Mykolaiv

Candidate of Technical Sciences

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Published
2017-03-20
How to Cite
Gomelya, N., Hlushko, O., Trohymenko, G., & Butchenko, L. (2017). ELECTROLYTIC REMOVAL OF HEAVY METALS IONS FROM MURIATIC SOLUTIONS. Energy Technologies & Resource Saving, (1), 60. https://doi.org/10.33070/etars.1.2017.07
Section
Environment protection