Electrochemical cell and process

Details Electrochemical cell and process Electrochemical cell and process

1979-07-13

1981-06-02

Gantz, Delbert E.

Chemistry: electrical and wave energy

Processes and products

204 81, 204268, 204270, 204276, 204277, C25B 302, C25B 306, C25B 900, C25B 1508

Patent

active

042709954

ABSTRACT:
An electrochemical cell comprises a housing (1,2) divided by a perforated generally horizontal plate (3) into an upper chamber (4) and a lower chamber (5). Bipolar electrodes (19, 21) are disposed in the upper chamber (4) above perforations (23) in the plate (3), between electrolyte inlet and outlet weirs (11, 13) for flowing electrolyte over the plate (3). The lower chamber (5) is a gas-supply chamber for passing a gas, e.g. propylene, up through the perforations (23), so as to bubble the gas through electrolyte (e.g. NaBr solution) on the plate (3) and into the upper gas-collection chamber (4). A reactor may be formed by stacking several cells with their electrolyte flows in cascade. The cell is particularly suitable for electro-organic syntheses involving a gaseous reactant.

REFERENCES:
patent: 3632497 (1972-01-01), Leduc
patent: 3835020 (1974-09-01), Galneder
patent: 4014776 (1977-03-01), Giacopelli
patent: 4048047 (1977-09-01), Beck et al.
patent: 4141804 (1979-02-01), Avedesian et al.

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