FIELD: non-ferrous metallurgy. SUBSTANCE: electrolyzer has baths 2 and 3, electrodes 4 made in form of square-shaped coal-graphite plates, electric current source 9 and diaphragm 6 made of acid-proof cloth which exposes capillary effect. Electrodes 4 are disposed horizontally for slope relatively horizontal plane for forming cascade collector. Angle of slope is adjusted within boundaries of 0-30 deg.. Extraction of metals is equal to 0,1-0,3mg/dm3. EFFECT: simplified design of electrolyzer. 4 dwg
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