Co2-facilitated transport membrane and method for producing...

Details Co2-facilitated transport membrane and method for producing... Co2-facilitated transport membrane and method for producing...

B - Operations, Transporting

01

D

B01D 71/40 (2006.01) B01D 53/22 (2006.01) B01D 69/00 (2006.01) B01D 69/12 (2006.01) B01D 71/38 (2006.01) H01M 8/06 (2006.01)

Patent

CA 2707425

A CO2-facilitated transport membrane of excellent carbon dioxide permeability and CO2/H2 selectivity, which can be applied to a CO2 permeable membrane reactor, is stably provided. The CO2-facilitated transport membrane is formed such that a gel layer 1 obtained by adding cesium carbonate to a polyvinyl alcohol-polyacrylic acid copolymer gel membrane is supported by a hydrophilic porous membrane 2. More preferably, a gel layer supported by a hydrophilic porous membrane 2 is coated with hydrophilic porous membranes 3 and 4.

L'invention concerne une membrane à transport facilitée du CO2 stabilisée, d'une perméabilité au dioxyde de carbone excellente et d'une sélectivité CO2/H2 excellente, qui peut être utilisée dans des réacteurs à membrane perméable au CO2. L'invention concerne une membrane à transport facilité de CO2 dans laquelle une couche de gel (1), dans laquelle du carbonate de césium a été ajouté à une membrane de gel copolymère acide acrylique-alcool polyvinylique, est supportée par une membrane poreuse hydrophile (2). De préférence, une couche de gel (1) supportée par une membrane poreuse hydrophile (2) est revêtue de membranes poreuses hydrophobes (3, 4).

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