Process and cell for the preparation of polyvalent metals such a

Details Process and cell for the preparation of polyvalent metals such a Process and cell for the preparation of polyvalent metals such a

1981-11-16

1984-04-17

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

204252, C25C 326

Patent

active

044433069

ABSTRACT:
The electrolysis cell according to the invention is concerned with the preparation of Zr or Hf by electrolysis, from a molten mixture of alkali metal or alkaline earth chlorides and fluorides.
It comprises a graphite collector which defines the anodic space and which is extended at the lower end below the level of the electrolyte by a metal wall made of metal to be deposited or coated with said metal.
The wall may advantageously be made in the form of a porous diaphragm.

REFERENCES:
patent: 2760930 (1956-08-01), Alpert et al.
patent: 2789943 (1957-04-01), Kittelberger
patent: 3345278 (1967-10-01), Mekjean
patent: 4113584 (1978-09-01), Johnson
patent: 4116801 (1978-09-01), Juckniess et al.

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