Sintered coating for porous metallic filter surfaces

Details Sintered coating for porous metallic filter surfaces Sintered coating for porous metallic filter surfaces

1989-02-10

1989-12-19

Nozick, Bernard

Liquid purification or separation

Filter

Material

427181, 427190, 427244, 4273765, 427435, 55523, 55524, B01D 3914

Patent

active

048881147

ABSTRACT:
A process for forming a filter and the product filter are disclosed. The filter uses a porous metal substrate, preferably in the form of a tube, preferably formed of stainless steel particles having a diameter of from 30 to 100 micrometers and a pore size of from 1 to 10 micrometers. A slurry of metal oxide particles of from 0.2 to 1.0 micrometer diameter is applied to the porous metal substrate which is dried and then the particles are sintered together by heating. The preferred metal oxides is TiO.sub.2.

REFERENCES:
patent: 3022187 (1962-02-01), Eyraud et al.
patent: 3926799 (1975-12-01), Thomas et al.
patent: 4088576 (1978-05-01), Mott et al.
patent: 4356215 (1982-10-01), Auriol et al.
patent: 4412921 (1983-11-01), Leung et al.
patent: 4520520 (1985-06-01), Johnston et al.
patent: 4762619 (1988-08-01), Gaddis et al.

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