Removal of lithium nitride from lithium metal

Details Removal of lithium nitride from lithium metal Removal of lithium nitride from lithium metal

1987-07-02

1988-11-01

Andrews, Melvyn J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

C22B 2612, C22C 2400, C22C 300

Patent

active

047817569

ABSTRACT:
A process for the removal of lithium nitride from lithium metal by adding to liquid lithium metal containing lithium nitride, at a temperature between the melting point of lithium and 300.degree. C., with agitation, a stochiometric quantity of aluminum to react with the lithium nitride, in an inert, nitrogen free atmosphere, continuing the agitation for at least one hour to form aluminum nitride and separating the aluminum nitride from the liquid lithium metal.

REFERENCES:
patent: 3957532 (1976-05-01), Settle et al.
patent: 4248630 (1981-02-01), Balmuth
patent: 4528032 (1985-07-01), Keough et al.
patent: 4556535 (1985-12-01), Bowman et al.

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