Method and apparatus for catalytic dissociation of NO

Details Method and apparatus for catalytic dissociation of NO Method and apparatus for catalytic dissociation of NO

1979-10-22

1981-03-03

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204130, 204272, 204277, 204278, C25B 102, C25B 900

Patent

active

042539250

ABSTRACT:
Oxygen bearing compounds, such as those contained in exhaust gases from an internal combustion engine, including NO and NO.sub.2 (NO.sub.x), CO, CO.sub.2 and SO.sub.2 are catalytically decomposed by use of a solid electrolyte comprising a stabilized oxygen-ion oxide. The electrolyte is in the form of a thin member, or film, across the thickness dimension of which an electric field is applied by use of electrodes at opposite faces thereof. A d-c voltage source is connected to the electrodes for generation of a unidirectionalelectric field through the electrolyte. In accordance with the present invention, means are provided for limiting current drain from the voltage source to a negligable amount such that catalytic dissociation is effected substantially without the consumption of electrical power.

REFERENCES:
patent: 4131514 (1978-12-01), Chong et al.
patent: 4134818 (1979-01-01), Pebler et al.

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