FIELD: electrolysis of aluminium. SUBSTANCE: clay-containing materials are added as difficulty fusible component and inhibitor of oxidation of carbon, quantity of said material being G≅ 0,5÷ 1,0 where P is porosity in volume %. Said clay-containing materials are preferably fed into melt binder before its mixing with coke mixture. EFFECT: improved efficiency. 2 cl, 3 tbl
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