Catalysts and methods for reforming oxygenated compounds

Details Catalysts and methods for reforming oxygenated compounds Catalysts and methods for reforming oxygenated compounds

C - Chemistry, Metallurgy

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C01B 3/32 (2006.01) B01J 23/656 (2006.01) B01J 23/889 (2006.01) B07C 1/20 (2006.01)

Patent

CA 2634712

Disclosed are catalysts and methods that can reform aqueous solutions of oxygenated compounds such as ethylene glycol, glycerol, sugar alcohols, and sugars to generate products such as hydrogen and alkanes. In some embodiments, aqueous solutions containing at least 20 wt% of the oxygenated compounds can be reformed over a catalyst comprising a Group VIII transition metal and a Group VIIB transition metal, preferably supported on an activated carbon- supported catalyst. In other embodiments, catalysts are provided for the production of hydrogen or alkanes at reaction temperatures less than 300~C.

L'invention concerne des catalyseurs et des procédés de reformage de solutions aqueuses de composés oxygénés tels que le glycol d'éthylène, le glycérol, des alcools de sucre, des sucres, de manière à créer des produits tels que l'hydrogène ou des alcanes. Dans des modes de réalisation de l'invention, des solutions aqueuses contenant au moins 20 % en poids de composés oxygénés peuvent être reformés sur un catalyseur comprenant un métal de transition de groupe VIII et un métal de transition de groupe VIIB, de préférence supporté sur un catalyseur supporté par du carbone activé. Dans d'autres modes de réalisation, des catalyseurs sont utilisés dans la production d'hydrogène ou d'alcanes à une température de réaction inférieure à 300 °C.

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