Ozone generation and recovery system

Details Ozone generation and recovery system Ozone generation and recovery system

1975-03-12

1976-06-15

Mack, John H.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

204176, 250541, C01B 1311

Patent

active

039636259

ABSTRACT:
A continuous ozone generation and recovery system is provided including a source of oxygen-rich gas; at least one high-throughput corona generator; means for passing the oxygen-rich gas through an electrical corona at a high ratio of gas volume:electrode area to synthesize ozone in a concentration not greater than 1 wt% in the gas stream; means for cooling the generator and maintaining the ozone-containing oxygen stream below decomposition temperature; means for cooling the ozone-containing oxygen gas stream; means for contacting the cooled gas stream with silica gel to adsorb the ozone and recover an oxygen-rich gas stream; means for recycling the recovered oxygen-rich gas stream for ozone synthesis; and means for recovering the adsorbed ozone from the silica gel.
Recycle of unconverted oxygen has strong economic value. Dry nitrogen-rich gas stream from an air separation unit which also provides the oxygen source may be used advantageously as an inert carrier gas for desorbing the ozone.

REFERENCES:
patent: 2271895 (1942-02-01), Hartman
patent: 2872397 (1959-02-01), Kiffer
patent: 3663418 (1972-05-01), Kawahata

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