Electrochemical oxygen production device

Details Electrochemical oxygen production device Electrochemical oxygen production device

1977-10-03

1978-12-26

Andrews, R. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204258, C25B 900

Patent

active

041315324

ABSTRACT:
Electrochemical device for producing very pure oxygen. The device contains at least one electrochemical cell comprising an anode compartment and a cathode compartment separated by a semi-permeable membrane. The apparatus also includes an oxidation reactor chamber wherein air oxidizes the reduced form of a compound to form a peroxide capable of spontaneously decomposing into water and into the oxidized form of said compound. A portion of said decomposed peroxide is fed to the anode compartment and another portion to the cathode compartment. Oxygen is formed at the anode by electrolysis of water. The cathode reduces the oxidized form of said compound. Oxygen is removed from the anode compartment products. The remaining products of the anode compartment and the cathode compartment are returned to the oxidation reactor chamber. In another embodiment, a decomposition chamber for decomposing the peroxide is inserted between the oxidation reactor chamber and the electrochemical cell in the feed portion of the circuit.

REFERENCES:
patent: 3654104 (1972-04-01), Yoshida et al.
patent: 3836448 (1974-09-01), Bouy et al.
patent: 3855104 (1974-12-01), Messner

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