Alumina-zeolite composite adsorbents for refrigerants

Details Alumina-zeolite composite adsorbents for refrigerants Alumina-zeolite composite adsorbents for refrigerants

C - Chemistry, Metallurgy

07

C

260/658.1, 260/6

C07C 17/38 (2006.01) B01D 53/02 (2006.01) B01J 20/10 (2006.01) B01J 20/18 (2006.01)

Patent

CA 1040219

Abstract of the Disclosure A composite alumina-zeolite adsorbent exhibits synergistic properties for the adsorption of fatty acid compounds from refrigerant gases. A composite adsorbent takes up about 30 mg. of fatty acid per gram of adsorbent, while alumina takes up about 21 mg. of fatty acid and zeolites about 9 mg. of fatty acid per gram of adsorbent. A simple comixture would be expected to take up in the range of 9 to 21 mg. of fatty acid, depending on the composition, but the alumina- zeolite composite adsorbents will instead take up about 30 mg. It has also been found that alumina-zeolite composites can be substantially strengthened by a moisture treatment.

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