Nickel electrolysis was initially developed as the process of electrolytically refining of roughing nickel fabricated in processing of copper-nickel converter matte; at present time it changed essentially and gave way to refining of sulfidic anodes and electric extraction. The paper presents the results of investigations of the problems connected with determination of optimal conditions of electrolytic nickel fabrication, such as purity of cathode metal, principles of choosing electrolysis parameters (current density, nickel concentration in the solution, electrolyte circulation speed, electrolyte composition).
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