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Title: Method And Apparatus For Converting Hydrocarbon Fuel Into Hydrogen Gas And Carbon Dioxide

A method is disclosed for synthesizing hydrogen gas from hydrocarbon fuel. A first mixture of steam and a first fuel is directed into a first tube 208 to subject the first mixture to a first steam reforming reaction in the presence of a first catalyst 214. A stream of oxygen-containing gas is pre-heated by transferring heat energy from product gases. A second mixture of the pre-heated oxygen-containing gas and a second fuel is directed into a second tube 218 disposed about the first tube 208 to subject the second mixture to a partial oxidation reaction and to provide heat energy for transfer to the first tube 208. A first reaction reformate from the first tube 208 and a second reaction reformate from the second tube 218 are directed into a third tube 224 disposed about the second tube 218 to subject the first and second reaction reformates to a second steam reforming reaction, wherein heat energy is transferred to the third tube 224 from the second tube 218.
Inventors:
 [1];  [2];  [3];  [4]
  1. (Dover, MA)
  2. (Belmont, MA)
  3. (Westford, MA)
  4. (Cambridge, MA)
Issue Date:
OSTI Identifier:
879559
Assignee:
Arthur D. Little, Inc. (Cambridge, MA) OSTI
Patent Number(s):
US 6,123,913
Application Number:
09/185325
Contract Number:
AC02-92CE50343
Research Org:
ARTHUR D LITTLE INC
Country of Publication:
United States
Language:
English