FIELD: processing dispersed waste of electrolytic production of aluminium which comprises carbon tetrachloride. SUBSTANCE: desired material is prepared of mixture which comprises, mas.%: waste of electrochemical production of aluminium which comprises carbon tetrachloride, 35-62; modifying silica-containing additive, 5-30; portland cement, 4-7; liquid sodium glass, 10-25; water, the balance. Dust of electric filters of gas scrubbing during production of technical silicium and/or ferrosilicium is used as modifying additive. EFFECT: improved efficiency. 2 tbl
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