Ceramic-zeolite composite membranes and use for separation of va

Details Ceramic-zeolite composite membranes and use for separation of va Ceramic-zeolite composite membranes and use for separation of va

1994-02-24

1995-11-07

Pal, Asok

Catalyst, solid sorbent, or support therefor: product or process

Zeolite or clay, including gallium analogs

And additional al or si containing component

502 4, B01J 2906

Patent

active

054647983

ABSTRACT:
A zeolite composite membrane apparatus and method for preparing a novel continuous zeolite composite membrane. The method described results in formation of a thin polycrystalline continuous zeolite layer on the inner wall of a substrate container. The container may be a cylinder. After calcination, the zeolite composite membrane shows high permeability and high selectivity for single gas and for vapor/gas mixtures. The zeolite composite membrane formed has improved separation characteristics of shape selectivity and selective adsorption. The geometry of the membrane provides a high permeation area to volume ratio. The membrane is useful for high temperature gas separations and for membrane reactor applications.

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