Process for controlling the permeability of diaphragms in the pr

Details Process for controlling the permeability of diaphragms in the pr Process for controlling the permeability of diaphragms in the pr

1981-10-20

1983-07-12

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

204 61R, 204246, 204247, C25C 326, C25C 328, C25C 334, C25C 706

Patent

active

043929249

ABSTRACT:
The process according to the invention concerns the production of polyvalent metals such as titanium by electrolysis of molten halides.
It comprises controlling the permeability of the diaphragm which separates the anolyte from the catholyte, by causing growth or re-dissolution of a deposit of the metal to be produced.
The process is applied in particular to the production of titanium by electrolysis from TiCl.sub.4.

REFERENCES:
patent: 2789943 (1957-04-01), Kittelberger
Ion-Selective Electrodes, Proceedings of a Symposium Held at the Nat'l. Bureau of Standards, Jan. 1969, (p. 368, Issued Nov. 1969).

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