Process for the production of porous membranes

Details Process for the production of porous membranes Process for the production of porous membranes

B - Operations, Transporting

01

D

B01D 71/02 (2006.01) B01D 39/20 (2006.01) B22F 7/00 (2006.01)

Patent

CA 2169537

A filter membrane and a process for making the filter membrane are provided. The filter membrane comprises a metal substrate having a filtering layer thereon comprising sintered ultra-fine particles of metal or ceramic compounds. The filtering layer preferably has an average pore size of from about 30 nanometers to about 200 nanometers. The filter membranes can withstand pressure drops of up to about 0.6 MPa and are useful for a variety of filtering applications.

Membrane filtrante et procédé de production de cette dernière. La membrane filtrante est constituée d'un substrat métallique sur lequel se situe une couche filtrante à base de particules ultra-fines fritées de métal ou de composés céramiques. La grosseur de pore moyenne préférée de la couche filtrante se situe entre environ 30 nanomètres et environ 200 nanomètres. Les membranes filtrantes peuvent supporter des chutes de pression pouvant aller jusqu'à 0,6 MPa et sont utiles dans diverses applications de filtration.

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