Process for removing ozone from an ozone-containing gas
AssigneeOsaka Oxygen Ind Ltd.
InventorsZenzi Hagiwara, Iwao Uenoyama, Hiroo Ishino
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Abstract
A process for removing ozone from an ozone-containing gas which comprises treating the gas with a molded product obtained by the following steps, (a) wet-blending powdery or particulate activated carbon and zeolite in the presence of an organic binder and/or an inorganic binder, (b) molding the resulting blend, (c) drying the molded product, and (d) calcining the molded product at a temperature at which the network structure of the zeolite is not broken is disclosed.
Claims6
A process for removing ozone from an ozone-containing gas which comprises treating the gas with a calcined molded product composed of activated carbon-zeolite mixture, the ratio of the activated carbon to the zeolite being in the range of from 0.2 to 9.0, obtained by effecting the steps of
- (a) wet-blending powdery or particulate activated carbon and zeolite in the presence of an organic binder and/or an inorganic binder,
- (b) molding the resulting blend,
- (c) drying the molding, and
- (d) calcining the molding at a temperature in the range of from 170.degree. C. to a temperature at which network structure of zeolite is not broken.
Dependencies are inferred from the claim text.