Electrolytic cell bottom barrier formed from expanded graphite

Details Electrolytic cell bottom barrier formed from expanded graphite Electrolytic cell bottom barrier formed from expanded graphite

1977-04-25

1979-11-20

Goolkasian, John T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

252378R, 266280, 423448, 423460, 428310, 428408, B32B 904, B32B 1504, C25C 900

Patent

active

041750225

ABSTRACT:
The thermal insulation in the bottom of an electrolytic cell for the production of metal by electrolysis of metal ore or ore derivatives is protected from attack by the corrosive elements in the electrolytic bath. The protection is provided by a layer of graphite sheet formed from expanded graphite which is placed on top of the insulation. Preferably the graphite rests on a thin steel sheet.

REFERENCES:
patent: 2174597 (1939-10-01), Pyster et al.
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patent: 2837412 (1958-06-01), Bennett
patent: 3093570 (1963-06-01), Dewey
patent: 3267183 (1966-08-01), Feinleib
patent: 3404061 (1968-10-01), Shane et al.
patent: 3475244 (1969-10-01), Sanders
patent: 3726738 (1973-04-01), Gellon et al.
patent: 3773643 (1973-11-01), Russell et al.

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