Chemistry: electrical and wave energy – Processes and products
Patent
1981-08-21
1983-11-29
Williams, Howard S.
Chemistry: electrical and wave energy
Processes and products
204246, C25C 306, C25C 314, C25C 320
Patent
active
044179588
ABSTRACT:
The anode effect which is necessary in the electrolytic cell can be extinguished after a short time if, immediately after it appears, fine granular salts are introduced together with an injection medium through a suitable channel into the electrolyte and under the anodes. These salts which are not harmful to the electrolytic process cause vigorous production of gases at the operating temperature of the cell. The channel for introducing the salts and the injection medium is usefully situated in the crust breaking chisel or a lance which can be lowered into the bath. The device comprises further a storage vessel for salts which has a closing facility which is activated via a closing piston, below that a combined measuring and injection chamber featuring an injection nozzle and a tube with by-pass connecting up to the injection chisel or lance.
REFERENCES:
patent: 2713024 (1955-07-01), Mantovanello
patent: 3135672 (1964-06-01), Hirakawa et al.
patent: 3382162 (1968-05-01), Trupiano et al.
patent: 3622475 (1971-11-01), Shiver
patent: 3714002 (1973-01-01), Kibby
patent: 4049529 (1977-09-01), Golla
Arnason Tomas
Franke Alwis
Tschopp Theodor
Swiss Aluminium Ltd.
Williams Howard S.
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