Hydrogen production method

Details Hydrogen production method Hydrogen production method

C - Chemistry, Metallurgy

01

B

C01B 3/38 (2006.01) C01B 3/02 (2006.01) C01B 3/32 (2006.01) C01B 3/34 (2006.01)

Patent

CA 2630168

A hydrogen production method that integrates a catalytic steam reformer and a gasifier. Hydrogen is generated in a catalytic steam reformer at a high production rate or design capacity. The catalytic steam reformer is then turned down to a fraction of design capacity while a gasifier produces the needed hydrogen. During the turned down state of the catalytic steam reformer, more of a hydrogen-containing stream formed from gasifier effluent is fed to the catalytic steam reformer as a feed thereby reducing the flow rate of feedstock required for the catalytic steam reformer in the turned down state. Optionally, hydrogen mixtures from the catalytic steam reformer and gasifier are fed to one or more adsorbers for hydrogen purification and adsorber effluent is fired as fuel in the steam reformer furnace to provide a majority of the heat needed for the reforming reaction.

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