Patent ID: 6805721
Filing Date: 2004-10-19
Classification: B01J,C01B,H01M,Y02E,Y02P

Abstract:
A method of operating a fuel reforming system for the production of a hydrogen-containing reformate gas comprising the steps of:reacting an air supply stream, a water supply stream and a fuel supply stream in an auto thermal reformer to form said reformate gas having a concentration of carbon monoxide; introducing said reformate gas and a first air stream into a preferential oxidation reactor to lower said concentration of carbon monoxide; heating a first water stream, which does not contain fuel, in said preferential oxidation reactor to form a first portion of vaporized water, the temperature of the preferential oxidation reactor being controlled by said first water stream; heating a second water stream, which does not contain fuel, in a vaporizer to form a second portion of vaporized waters, mixing said first portion and said second portion of said vaporized water to form a steam stream which is mixed with said air supply stream for regulating the temperature of said reformate gas, provided that said mixed stream does not contain fuel.