FIELD: production of clay bricks. SUBSTANCE: raw meal (version 1) contains, mass. % : mineral filler 5-20; combustible additive 0.5-1.5; silicon dust 0.5-1.5; the balance, low melting clay. Raw meal (version 2) contains, mas.%: combustible additive 0.5-2.5; powder - fines of upper layer of cathode base of aluminum electrolyzer 44-78; the balance, low-melting clay. Brick characteristics: fire shrinkage of green brick is reduced from 5.5-6.0 to 3.2-4.2; compression strength rises from 130-135 to 155-180 kgf/sq.cm; bending strength rises from 26-27 to 28-32 kgf/sq.cm. Brick grade rises from 125 to 150. Pollution of environment is decreased due to reduced volume of gaseous combustion products containing harmful sulfuric compounds (SO2 and SO3). EFFECT: higher efficiency. 1 tbl
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