Lithium metal/alloy recovery from multi-component molten salt

Details Lithium metal/alloy recovery from multi-component molten salt Lithium metal/alloy recovery from multi-component molten salt

1984-07-31

1985-08-06

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

204 69, 204 70, 204 71, C25C 302, C25C 304, C25C 336

Patent

active

045334420

ABSTRACT:
An electrolytic process is provided for the recovery of lithium values from a molten salt bath containing MgCl.sub.2, CaCl.sub.2, NaCl, KCl and LiCl. The salt composition in the molten state is subjected to the sequential depletion by electrolysis of the elements Mg, Ca, Na, respectively, either in substantially the elemental form or as an alloy thereof under multistage operating conditions to provide a depleted salt composition comprised substantially of the binary LiCl-KCl from which lithium is subsequently recovered by electrolysis as lithium per se or an alloy of Al/Li.

REFERENCES:
patent: 3418223 (1968-12-01), Love
A.P.C. Application of Grothe, Ser. No. 340,402, Published May 18, 1943.

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