Supported microporous ceramic membranes

Details Supported microporous ceramic membranes Supported microporous ceramic membranes

1991-09-09

1993-12-14

Lusignan, Michael

Liquid purification or separation

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Material

21050026, 2105101, 427230, 427244, 427246, B01D 6300

Patent

active

052699269

ABSTRACT:
A method for permformation of microporous ceramic membranes onto a porous support includes placing a colloidal suspension of metal or metal oxide particles on one side of the porous support and exposing the other side of the porous support to a drying stream of gas or a reactive gas stream so that the particles are deposited on the drying side of the support as a gel. The gel so deposited can be sintered to form a supported ceramic membrane useful for ultrafiltration, reverse osmosis, or molecular sieving having mean pore sizes less than 100 Angstroms.

REFERENCES:
patent: 4784880 (1988-04-01), Coplan et al.
patent: 5006248 (1991-04-01), Anderson et al.
patent: 5028568 (1991-07-01), Anderson et al.
patent: 5035784 (1991-07-01), Anderson et al.
Anderson, Marc A. et al, "Titania and Alumina Ceramic Membranes," Journal of Membrane Science, 39, 1988, pp. 243-258.
Coplan, Myron J., "Endo treating: A New Approach to Composite Membranes", Eighth Annual Membrane Technology Planning Conference, Oct. 15-17, 1990, pp. 1-16.

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