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Method and apparatus for a catalytic firebox reactor

United States Patent

6,174,159
January 16, 2001
View the Complete Patent at the US Patent & Trademark Office
A catalytic firebox reactor employing an exothermic catalytic reaction channel and multiple cooling conduits for creating a partially reacted fuel/oxidant mixture. An oxidation catalyst is deposited on the walls forming the boundary between the multiple cooling conduits and the exothermic catalytic reaction channel, on the side of the walls facing the exothermic catalytic reaction channel. This configuration allows the oxidation catalyst to be backside cooled by any fluid passing through the cooling conduits. The heat of reaction is added to both the fluid in the exothermic catalytic reaction channel and the fluid passing through the cooling conduits. After discharge of the fluids from the exothermic catalytic reaction channel, the fluids mix to create a single combined flow. A further innovation in the reactor incorporates geometric changes in the exothermic catalytic reaction channel to provide streamwise variation of the velocity of the fluids in the reactor.
Smith; Lance L. (North Haven, CT), Etemad; Shahrokh (Trumbull, CT), Ulkarim; Hasan (Hamden, CT), Castaldi; Marco J. (Bridgeport, CT), Pfefferle; William C. (Madison, CT)
Precision Combustion, Inc. (New Haven, CT)
09/ 272,395
March 18, 1999
This invention was made with government support under DE-FG02-95ER82054 awarded by the U.S. Department of Energy. The U.S. government has certain rights in this invention.