Process for producing high-pressure hydrogen

Details Process for producing high-pressure hydrogen Process for producing high-pressure hydrogen

C - Chemistry, Metallurgy

01

B

C01B 3/02 (2006.01) C01B 3/26 (2006.01) C01B 31/20 (2006.01)

Patent

CA 2522401

A method and apparatus for use in producing high-pressure hydrogen from natural gas, methanol, ethanol, or other fossil fuel-derived and renewable hydrocarbon resources. The process can produce hydrogen at pressure ranging from 2000 to 12,000 pounds per square inch (psi) using a hydrogen feedstock (16, 18) high pressure water (12, 18), and an appropriate catalyst. Following making and heating in preheater (14), the catalyst reacts with the hydrogen feedstock (16, 18) and high pressure water (12, 18) in a catalytic reformer (20) maintained under desired temperature and pressure conditions. Reformate products exit reformer (200) and flow into condenser (22), in which water and a portion of the carbon dioxide product are condensed.

Cette invention concerne un procédé et un dispositif permettant de produire de l'hydrogène haute pression à partir de gaz naturel, de méthanol, d'éthanol et autres ressources constituées par des carburants fossiles et des hydrocarbures renouvelables. Ce procédé permet de produire de l'hydrogène sous des pressions comprises entre 2000 et 12 000 livres/pouce?2¿ (psi) au moyen d'une charge d'hydrogène (16, 18), d'eau haute pression (12, 18) et d'un catalyseur approprié. Après formation et chauffage dans un dispositif de préchauffage (14), ce catalyseur réagit avec la charge d'hydrogène (16, 18) et l'eau haute pression (12, 18) dans un reformeur catalytique (20) maintenu aux températures et aux pressions requises. Les produits de reformat quittent le reformeur (200) et s'écoulent dans un condenseur (22) dans lequel sont condensés l'eau et un partie du produit de dioxyde de carbone.

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