Method and apparatus for making light metal-alkali metal master alloy using alkali metal-containing scrap

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United States of America Patent

PATENT NO 4882017
SERIAL NO

07208466

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A method for making light metal-alkali metal master alloy using alkali metal containing scrap comprises: (a) establishing an electrolytic cell divided into two or more laterally adjacent areas by porous alkali metal ion transport means, said cell including a first cell area supplied with alkali metal-containing scrap and a second cell area consisting essentially of molten light metal; (b) supplying current to this cell for transporting alkali metal ions from the first cell area to the second cell area; (c) forming master alloy by combining these ions with the molten light metal in said second cell area; and (d) withdrawing master alloy from the second cell area. An apparatus for making aluminum-lithium or magnesium-lithium master alloy using the lithium from aluminum-lithium alloy scrap is also disclosed.

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Patent OwnerAddress
ALUMINUM COMPANY PITTSBURGH COUNTY OF ALLEGHENY PENNSYLVANIA A CORP OF PANot Provided

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Inventor Name Address # of filed Patents Total Citations
Weaver, Mark L Allison Park, PA 19 645

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