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Integrated hydrocarbon reforming system and controls

United States Patent

6,641,625
November 4, 2003
View the Complete Patent at the US Patent & Trademark Office
A hydrocarbon reformer system including a first reactor configured to generate hydrogen-rich reformate by carrying out at least one of a non-catalytic thermal partial oxidation, a catalytic partial oxidation, a steam reforming, and any combinations thereof, a second reactor in fluid communication with the first reactor to receive the hydrogen-rich reformate, and having a catalyst for promoting a water gas shift reaction in the hydrogen-rich reformate, and a heat exchanger having a first mass of two-phase water therein and configured to exchange heat between the two-phase water and the hydrogen-rich reformate in the second reactor, the heat exchanger being in fluid communication with the first reactor so as to supply steam to the first reactor as a reactant is disclosed. The disclosed reformer includes an auxiliary reactor configured to generate heated water/steam and being in fluid communication with the heat exchanger of the second reactor to supply the heated water/steam to the heat exchanger.
Clawson; Lawrence G. (Dover, MA), Dorson; Matthew H. (Arlington, MA), Mitchell; William L. (Belmont, MA), Nowicki; Brian J. (Medford, MA), Thijssen; Johannes (Cambridge, MA), Davis; Robert (Waterbeach, GB), Papile; Christopher (Arlington, MA), Rumsey; Jennifer W. (Glenwood, IN), Longo; Nathan (Calais, VT), Cross, III; James C. (Ipswich, MA), Rizzo; Vincent (Stoughton, MA), Kleeburg; Gunther (Lexington, MA), Rindone; Michael (Reading, MA), Block; Stephen G. (Petersham, MA), Sun; Maria (Melrose, MA), Morriseau; Brian D. (Woburn, MA), Hagan; Mark R. (Somerville, MA), Bowers; Brian (Cambridge, MA)
Nuvera Fuel Cells, Inc. (Cambridge, MA)
09/ 563,677
May 2, 2000
GOVERNMENT RIGHTS The United States Government has a paid-up license in this invention and the right in limited circumstances to require the patent owner to license others on reasonable terms as provided for by the terms of DE-FC02-97EE50472 awarded by the Department of Energy (DOE).