B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 71/02 (2006.01) B01D 53/22 (2006.01) B01D 67/00 (2006.01)
Patent
CA 2536148
The present invention discloses a gas separator comprising a porous substrate composed of a first ceramic and a gas-separating layer containing zeolite, disposed on the surface of the porous substrate, wherein the gas-separating layer contains, in addition to zeolite, a thermal expansion coefficient-adjusting material composed of a second ceramic having a linear thermal expansion coefficient satisfying a predetermined relation so that the difference in thermal expansion coefficient between the porous substrate and the gas-separating layer can be reduced. The gas separator of the present invention can be used preferably particularly in selective separation of carbon dioxide (CO2) or the like from a mixed gas such as natural gas or the like.
L'invention porte sur un corps séparateur de gaz comprenant une base poreuse constituée d'une première céramique et, disposée à la surface de la base, d'une couche de séparation de gaz faite de zéolite et d'un matériau régulateur du coefficient de dilatation thermique satisfaisant à une relation donnée propre à réduire la différence entre les coefficient de dilatation de la base poreuse et de la couche de séparation. Le corps séparateur de gaz s'utilise de préférence pour séparer sélectivement du CO2 ou analogue d'avec d'un mélange de gaz tel que du gaz naturel.
Nakayama Kunio
Suzuki Kenji
Tomita Toshihiro
Yajima Kenji
Marks & Clerk
Ngk Insulators Ltd.
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