Chemistry: electrical and wave energy – Processes and products
Patent
1975-01-17
1976-08-31
Mack, John H.
Chemistry: electrical and wave energy
Processes and products
204243R, 204246, 204247, C25C 306, C25C 314
Patent
active
039779505
ABSTRACT:
A process and apparatus for the collection of the gases from a tank for the production of aluminum by igneous electrolysis. In the process, the crust that covers the electrolytic solution is pierced, the hole thus obtained is kept open and the gases flowing from it are collected. The invention applies to alumina igneous electrolysis tanks and, more specifically, to tanks making use of preheated multiple anodes.
REFERENCES:
patent: 3207681 (1965-09-01), Sem
patent: 3470075 (1969-09-01), Johnson
patent: 3729399 (1973-04-01), Kibby
Aluminum Pechiney
Mack John H.
Prescott A. C.
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