Abstract
This article discusses the effect of tin, germanium, and antimony, as well as animal glue, on current efficiency η and specific power consumption (W) within the electrowinning of zinc. Adequate regression models of η and W as a function of cathode current density, concentrations of impurities, and animal glue in electrolyte at a constant temperature have been obtained. The ranks of independent variables in terms of intensity of influence on η has been determined. They are located in the cluster as follows (in decreasing order): Ge, Sn, and Sb. It has been established experimentally that antimony in the concentration range 0.001–0.150 mg/L increases the current efficiency within the electrowinning of zinc.
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