Formation of zeolite membranes from sols

Details Formation of zeolite membranes from sols Formation of zeolite membranes from sols

1992-03-12

1993-11-02

Dees, Carl F.

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

In form of a membrane

502 60, 502 64, 21050025, B01J 2018, B01J 2028

Patent

active

052583392

ABSTRACT:
The present invention relates to a method of forming a zeolite membrane. The method includes forming an aqueous-based or an alcohol-based sol which can form a zeolite. The sol composition is then disposed on a porous support. The porous support and the sol composition are exposed to an atmosphere and to a temperature sufficient to cause the sol composition to hydrothermally crystallize, thereby forming the zeolite membrane.

REFERENCES:
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patent: 4699892 (1987-10-01), Suzuki
patent: 5100596 (1992-03-01), Haag et al.
C. J. Brinker, et al., Journal of Non-Crystalline Solids, 48, 47-64 (1982).
Thomas Bein et al., J. Am. Chem. Soc., 111, 7640-7641 (1989).
H. J. C. te Hennepe, et al. J. of Membr. Sci., 35, 39-55 (1987).
T. Bein, et al., Zeolites: Facts, Figures, Future, 887-896 (1989).
Peter A. Jacobs, et al., J. Chem. Soc. Chem. Commun., 591-593 (1981).
U. Muller, et al., ACS Symposium Series, 398, 346-359 (1989).

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