Supercritical process, reactor and system for hydrogen...

C - Chemistry – Metallurgy – 01 – B

Patent

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Details

C01B 3/50 (2006.01) B01D 53/047 (2006.01) B01J 19/24 (2006.01) C01B 3/38 (2006.01) C01B 31/02 (2006.01) C01B 31/26 (2006.01)

Patent

CA 2648589

A reactor, system and method for producing hydrogen features a reactor containing a heating stream channel and a hydrogen channel with a reaction channel positioned there between. A heat transfer sheet separates the heating stream channel and the reaction channel and a porous support plate separates the reaction channel and the hydrogen channel. A membrane constructed from palladium, vanadium, copper or alloys thereof covers the porous support plate. The heating stream channel receives a heating stream so that heat is provided to the reaction channel through the heat transfer sheet. A catalyst is positioned in the reaction channel and the reaction channel receives a reaction stream including a mixture of supercritical water and a hydrocarbon fuel so that hydrogen is produced in the reaction channel and is passed through the membrane into the hydrogen channel. The hydrogen separation may alternatively be accomplished in a separator device distinct from the reactor via either a membrane or pressure swing adsorption.

L'invention concerne un réacteur, un système et un procédé de production d'hydrogène, le réacteur contenant un canal de courant de chaleur et un canal d'hydrogène séparés par un canal de réaction. Une feuille de transfert thermique sépare le canal de courant de chaleur du canal de réaction, et une plaque de support poreuse sépare le canal de réaction du canal d'hydrogène. Une membrane constituée de palladium, de vanadium, de cuivre ou d'alliages de ceux-ci recouvre la plaque de support poreuse. Le canal de courant de chaleur reçoit un courant de chaleur, de sorte que de la chaleur est transmise au canal de réaction par la feuille de transfert thermique. Un catalyseur est positionné dans le canal de réaction, et ce dernier reçoit un courant de réaction comprenant un mélange d'eau supercritique et de combustible hydrocarboné, de sorte que de l'hydrogène est produit dans le canal de réaction et passe dans le canal d'hydrogène par la membrane. En variante, la séparation de l'hydrogène peut être assurée dans un dispositif de séparation distinct du réacteur, par une membrane ou par adsorption modulée en pression.

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