Systems and processes for producing hydrogen and carbon dioxide

Details Systems and processes for producing hydrogen and carbon dioxide Systems and processes for producing hydrogen and carbon dioxide

C - Chemistry, Metallurgy

01

B

C01B 3/38 (2006.01) C01B 3/48 (2006.01) C01B 3/50 (2006.01) C01B 3/56 (2006.01)

Patent

CA 2672325

A process and a system are provided for producing and separating hydrogen and carbon dioxide from a hydrocarbon and steam. A hydrocarbon and steam are steam reformed and the reformed gas is shift reacted to produce a shift gas. Hydrogen is removed from the shift gas, and the hydrogen-depleted gas is reformed and shift reacted again to produce more hydrogen and carbon dioxide. The hydrogen and carbon dioxide are then separated.

L'invention propose un système et un procédé destinés à produire et séparer de l'hydrogène et du dioxyde de carbone à partir d'un hydrocarbure et de vapeur d'eau. Un hydrocarbure et de la vapeur d'eau sont reformés à la vapeur puis le gaz reformé est converti de manière à produire un gaz de conversion. L'hydrogène est éliminé du gaz de conversion, et le gaz appauvri en hydrogène est reformé et converti à nouveau afin de produire plus d'hydrogène et de dioxyde de carbone. L'hydrogène et le dioxyde de carbone sont ensuite séparés.

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