PRODUCTION OF ALUMINIUM-BEARING CAKE Russian patent published in 2014 - IPC C01F7/38

Abstract RU 2521577 C2

FIELD: metallurgy.

SUBSTANCE: invention can be used in nonferrous metallurgy for production of alumina. Aluminium-bearing cake is produced by sintering of charge from nepheline ore, limestone and return products at 1250-1300°C. Said cake is cooled to 1000°C at the rate of not over 14°C/min sufficient for segregation of impurities in the grain of dicalcium silicate that facilitates the formation of maximum amount of its β-modification.

EFFECT: higher yield.

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RU 2 521 577 C2

Authors

Aleksandrov Aleksandr Valer'Evich

Dates

2014-06-27—Published

2012-10-23—Filed