CO 2 -facilitated transport membrane that can be applied to a CO 2 -permeable membrane reactor is stably provided. The CO 2 -facilitated transport membrane is provided such that a gel layer (1) composed of a hydrogel membrane is deposited onto a porous mem...

In a gas separation apparatus that separates carbon dioxide and water vapor from a first mixture gas containing a predetermined major component gas, carbon dioxide, and water vapor, the energy utilization efficiency thereof is improved. Also, by utilizing ...

A method for removing CO 2 is provided. The method comprises bringing a CO 2 -facilitated transport membrane into contact with a gas containing CO 2 and H 2 at 100°C or higher thereby removing the CO 2 from the gas. The CO 2 -facilitated transport membran...

A shift conversion catalyst layer is divided into at least two front and back stages. A first catalyst and a second catalyst are provided on the upstream side and the downstream side, respectively. The first catalyst has a property that a carbon monoxide c...