Method of refining aluminum

Details Method of refining aluminum Method of refining aluminum

1986-01-28

1987-07-21

Andrews, Melvyn J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 68A, 75 68R, C22B 2102, C22B 704

Patent

active

046816267

ABSTRACT:
The present invention provides a method of refining aluminum, according to which oxygen gas is blown into a carbon material filled in a blast furnace to form simultaneously both combustion regions where combustion of the carbon material takes place and high-temperature reduction regions spaced apart from said combustion region, and an alumina-containing material and a flux are fed on the carbon material fill layer to form a melt of a mixture of the both, the formed melt being flowed down to the reduction regions to form a crude aluminum alloy, which is hydrogenated.

REFERENCES:
patent: 1350150 (1920-08-01), Gerber
patent: 3975187 (1976-08-01), Kibby
patent: 4445934 (1984-05-01), Fujishige et al.

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