Chemistry of inorganic compounds – Hydrogen or compound thereof – Elemental hydrogen
Reexamination Certificate
2006-05-09
2006-05-09
Cooke, Colleen P. (Department: 1754)
Chemistry of inorganic compounds
Hydrogen or compound thereof
Elemental hydrogen
C423S652000, C422S198000, C422S211000, C429S010000, C429S010000, C429S006000, C429S006000
Reexamination Certificate
active
07041272
ABSTRACT:
A process and system for providing a hydrogen-containing gas stream to a fuel cell anode that includes providing a hydrogen-containing gas stream that includes carbon monoxide, introducing the hydrogen-containing gas stream into a pressure swing adsorption module that includes at least one carbon monoxide-selective adsorbent to produce a purified hydrogen-containing gas stream, and introducing the purified hydrogen-containing gas stream to the fuel cell anode. The pressure swing adsorption module can also include a second adsorbent and/or catalyst. Also disclosed is a fuel cell system coupled to an internal combustion engine and a fuel cell system that utilizes fuel cell waste heat for vaporizing a hydrocarbon/water mixture.
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Brown Michael J.
Johannes Erik P.
Keefer Bowie G.
Roy Surajit
Sawada James A.
Cooke Colleen P.
Klarquist & Sparkman, LLP
QuestAir Technologies Inc.
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