Aluminum purification

Chemistry: electrical and wave energy – Processes and products

Patent

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Details

204245, C25C 306

Patent

active

RE0303305

ABSTRACT:
A process for purifying aluminum alloys comprises providing molten aluminum alloy in a container having a porous wall therein capable of containing molten aluminum in the container and being permeable by the molten electrolyte. Aluminum is electrolytically transported through the porous wall to a cathode thereby substantially separating the aluminum from alloying constituents.

REFERENCES:
patent: 2539743 (1951-01-01), Johnson
patent: 2905613 (1959-09-01), Tomonari et al.
patent: 2930738 (1960-03-01), Roake et al.
patent: 3677926 (1972-07-01), Davis
patent: 3798140 (1974-03-01), Sullivan

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