INORGANIC MEMBRANE FILTER AND METHODS THEREOF

摘要

A membrane filter article including:
a porous substrate, as defined herein; anda porous first layer, as defined herein, on the porous interior walls of the substrate, wherein the porous first layer has a pore size property as defined herein.;Also disclosed is a method of making and using the membrane filter article.

主权项

1. A membrane filter article comprising:
a porous substrate having a plurality of cells comprised of a plurality of interior channels and a plurality of porous interior walls between the channels; and a porous first membrane layer on at least a portion of the porous interior walls of the substrate,wherein the porous substrate is selected from a cordierite, a silicon carbide, a Si3N4 bonded silicon carbide, or a combination thereof, the porous first membrane layer is selected from cordierite, Si3N4 bonded silicon carbide, or a combination thereof, and the porous first membrane layer has a pore size property smaller than pore size property of the interior walls of the porous substrate.