Lithium purification technique

Details Lithium purification technique Lithium purification technique

1984-01-10

1985-07-09

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

C22B 2610

Patent

active

045280320

ABSTRACT:
A method for purifying liquid lithium to remove unwanted quantities of nitrogen or aluminum. The method involves precipitation of aluminum nitride by adding a reagent to the liquid lithium. The reagent will be either nitrogen or aluminum in a quantity adequate to react with the unwanted quantity of the impurity to form insoluble aluminum nitride. The aluminum nitride can be mechanically separated from the molten liquid lithium.

REFERENCES:
patent: 1559342 (1925-10-01), Mattice
patent: 1802693 (1931-04-01), Anderson
patent: 2997289 (1961-08-01), Baker
patent: 4003560 (1977-01-01), Carbonnel

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