Gas dehydration membrane apparatus

Details Gas dehydration membrane apparatus Gas dehydration membrane apparatus

B - Operations, Transporting

01

D

183/2, 18/32

B01D 53/22 (2006.01) B01D 53/26 (2006.01) B01D 67/00 (2006.01)

Patent

CA 1314006

36-21(5444)A GAS DEHYDRATION MEMBRANE APPARATUS Abstract of the Disclosure This invention provides an apparatus and process for dehydrating gases, the apparatus comprised of uncoated, asymmetric membranes having controlled porosity. The membranes being formed of polymeric materials which have high transport selectivity for water vapor and sufficient porosity to provide ade- quate feed gas permeation sweep for the permeated water vapor ensuring conditions of continued effective dehydration. Uncoated asymmetric gas separation membranes have been found to be effective for dehy- drating gases such as air, gases containing hydrocar- bons, acid gases and admixtures of these gases. The membranes provided by the invention possess a unique combination of properties and characteristics which promote an effective process for the dehydration of gases.

587022

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