Method of producing hydrogen from biomass

Details Method of producing hydrogen from biomass Method of producing hydrogen from biomass

C - Chemistry, Metallurgy

01

B

C01B 3/00 (2006.01) C01B 3/32 (2006.01)

Patent

CA 2199435

A method of producing hydrogen from a cellulose-containing biomass is disclosed, which includes the steps of: (a) forming a liquid phase containing the biomass, water and a catalyst in a reaction chamber such that an upper space is defined above the liquid phase in the chamber; (b) heating the liquid phase at a temperature of 250-374°C while maintaining the upper space at a pressure higher than the saturated vapor pressure of water, so that hydrogen is formed and collected in the upper space; and (c) discharging part of the collected hydrogen during step (b).

Méthode pour la production d'hydrogène à partir d'une biomasse renfermant de la cellulose. Ladite méthode comprend les étapes suivantes : a) formation d'une phase liquide renfermant la biomasse, de l'eau et un catalyseur dans une chambre de réaction, de telle façon qu'il y ait présence d'un volume libre au-dessus de la phase liquide à l'intérieur de la chambre; b) chauffage de la phase liquide à une température de 250-374 °C, en maintenant ledit volume à une pression supérieure à la pression de vapeur saturante de l'eau, pour permettre la formation et la collecte d'hydrogène dans le volume supérieur; c) évacuation d'une partie de l'hydrogène collecté en b).

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