Process of treating aluminum-containing fused slag

Details Process of treating aluminum-containing fused slag Process of treating aluminum-containing fused slag

1986-11-17

1988-03-22

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 97R, 423131, B02C 2314

Patent

active

047326069

ABSTRACT:
A method of recovering a metallic aluminum from an aluminum-containing slag of an aluminum smelting process. In this method, the slag is crushed a number of times with each crushing product being separated by a screening off removing the metallic aluminum before the next crushing stage. Water-soluble components are then removed from the slag by leaching and the leaching solution is evaporated to enable recovery of these components.

REFERENCES:
patent: Re31028 (1982-09-01), Cromwell
patent: 3770424 (1973-11-01), Floyd et al.
patent: 3955969 (1976-05-01), Johnson
patent: 4252776 (1981-02-01), Huckabay et al.
A Dictionary of Metallurgy, pp. 63 and 324, 6/17/59.

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