Regeneration of complex metal oxides for the production of...

C - Chemistry – Metallurgy – 01 – B

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C01B 3/26 (2006.01) C01B 3/34 (2006.01) C01B 3/58 (2006.01)

Patent

CA 2574372

In a process for producing a hydrogen-containing gas, a hydrocarbon feed gas and steam are introduced into a reaction vessel containing a complex metal oxide and steam-hydrocarbon reforming catalyst thereby forming a combustible gas mixture comprising hydrogen. A regeneration gas comprising greater than 0.1 volume % oxygen up to and including 2 volume % oxygen is introduced into the reaction vessel to displace at least a portion of the combustible gas mixture from the reaction vessel. Subsequently, additional regeneration gases may be introduced into the reaction vessel. Numerous means for providing various regeneration gases are presented.

Dans un procédé de production de gaz contenant de l'hydrogène, un gaz d'alimentation en hydrocarbures et une vapeur sont introduits dans une cuve de réaction contenant un oxyde métallique complexe et un catalyseur de formage d'hydrocarbures en vapeur pour former un mélange gazeux combustible comprenant de l'hydrogène. Un gaz de régénération, comprenant entre 0,1 et 2 % en volume d'oxygène, est introduit dans la cuve de réaction pour déplacer au moins une partie du mélange gazeux combustible de la cuve de réaction. Subséquemment, des gaz de régénération supplémentaires pourraient être introduits dans la cuve de réaction. On présente également de nombreux moyens de production de gaz de régénération.

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