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Application filed by Melyepitesi Tervezo Vallal FafiledCriticalMelyepitesi Tervezo Vallal Fa
Priority to CS209588ApriorityCriticalpatent/CS274624B2/en
Publication of CS209588A2publicationCriticalpatent/CS209588A2/en
Publication of CS274624B2publicationCriticalpatent/CS274624B2/en
The red scum falling off during production of aluminium oxide is, in order to decrease its water content, mixed with hydraulic binding agent, and the resulting mixture is solidified. To the de-watered red scum, containing from 35 to 60 percent by weight of solid particles, lime is added in the form of anhydrous an/or hydrated lime and/or slaked lime and/or lime milk in the amount of at least 5 percent, related to the contents of solid particles in red scum. Subsequently the mixture is mixed, which results in formation of liquid homogeneous material, which is solidified in the form of heap.
CS209588A1988-03-291988-03-29Method of red mud neutralization that falls off during aluminium oxide production
CS274624B2
(en)