Importance

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Abstract

A filter for the filtration of a fluid includes or is composed of a support element made of a porous ceramic material, the element exhibiting a tubular or parallelepipedal shape including, in its internal portion, a set of adjacent channels separated from one another by walls of the porous inorganic material, in which at least a portion of the channels and/or the external surface are covered with a porous separating membrane layer for contacting the fluid to be filtered circulating in the channels and making possible the tangential or frontal filtration of the fluid. The layer is made of a material including a mixture of silicon carbide and of at least one compound chosen from silicon nitride or silicon oxynitride, the content by weight of elemental nitrogen, with respect to the content by weight of SiC in the material constituting the porous separating membrane layer, is between 0.02 and 0.15.

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First Claim