Researches On The Electrolyte Purificationand The Useful Elements Recovery In The Copper Electrolytic Refining Process

摘要

This work presents the impurities behaviour (Sb, As, Bi) during the electrolytic refining process of the copper and after the lab experiments, the establish of the optimal current density was aimed, to provide a proper quality deposit, also the establish of the steps number for the electrolytic extraction and the limit concentration of the copper for each of the stages, the establish of the discharging degrees of the main impurities, contained by the electrolyte. The quality of the cathode copper is mainly expressed by its purity and it is the essential parameter in the electrolysis process. The quality of the cathodic deposit depends on very many technological parameters-factors, among which can be mentioned: the composition of the anodes and the electrolyte, the current density, the electrolyte temperature, the circulation capacity of it, the mother-cathodes quality, admixture of surface active matter, etc.