Chemistry: electrical and wave energy – Processes and products
Patent
1981-10-20
1983-08-02
Williams, Howard S.
Chemistry: electrical and wave energy
Processes and products
204 64R, 204246, 204247, C25C 326, C25C 328, C25C 334, C25C 706
Patent
active
043964729
ABSTRACT:
The apparatus and the process according to the invention concern the preparation of titanium by electrolysis in a bath of molten halides.
The apparatus comprises a porous diaphragm which is disposed around a feed cathode permitting partial reduction of the TiCl.sub.4 introduced into the electrolyte.
The intensity of the current which passes through the feed cathode is so regulated as to maintain a low but non-zero voltage drop, across the diaphragm which is insulated with respect to the feed cathode.
REFERENCES:
patent: 2712523 (1955-07-01), Alpert et al.
patent: 4113584 (1978-09-01), Johnson
Pechine Ugine Kuhlmann
Williams Howard S.
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