FIELD: metallurgy.
SUBSTANCE: electrolysis unit includes a metal housing with anode and saturating compartments and a metal diaphragm separating the anode and the saturating compartments, where as saturating melt there used is liquid Ca-Cu melt, and as melt for saturation there used is electrolyte CaCl2+(20-60) wt % KCl. The metal diaphragm is submerged into liquid Ca-Cu melt approximately by one third of thickness of its layer to prevent penetration of anode gases and transfer of electrodeposited calcium through the melt to the saturating compartment, and metal surfaces of the housing of the anode compartment and the diaphragm have the coating in the form of a layer of dense corrosion-resistant ceramics for protection against action of anode gases.
EFFECT: improvement of the method.
1 dwg, 3 ex
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