Ozone purification process

Details Ozone purification process Ozone purification process

C - Chemistry, Metallurgy

01

B

C01B 13/10 (2006.01) B01D 53/22 (2006.01) C02F 1/78 (2006.01)

Patent

CA 2300222

An ozone-oxygen gas stream produced by passing oxygen into an ozone generator is introduced into a membrane separation unit containing an ozone- permeable membrane. Ozone-enriched gas passes through the membrane and is recovered or it contacts a liquid or gas stream which contains ozone- reactive substances, thereby oxidizing the substances. The oxygen-enriched gas stream produced on the feed side of the membrane by permeation of ozone through the membrane is recycled to the ozone generator. Prior to being recycled, the oxygen-enriched stream may be purified to remove gaseous impurities which permeate through the membrane from the liquid or gas stream being treated.

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