Chemistry of inorganic compounds – Hydrogen or compound thereof – Elemental hydrogen
Reexamination Certificate
2005-03-22
2005-03-22
Silverman, Stanley S. (Department: 1754)
Chemistry of inorganic compounds
Hydrogen or compound thereof
Elemental hydrogen
C048S061000, C423S657000, C423S658000, C422S198000
Reexamination Certificate
active
06869585
ABSTRACT:
Provided is a method of and an apparatus for decomposing hydrogen. The method includes the steps of introducing hydrocarbons into a reaction vessel in a closed-loop system, at least partially decomposing the hydrocarbons into hydrogen by heating the hydrocarbons in the reaction vessel in the presence of a catalyst, introducing the hydrogen into a cassette with metal oxide contained therein, reducing the metal oxide in the cassette to metal or metal oxide having a lower valence by at least partially reacting the metal oxide with the hydrogen to form water, and returning unreacted hydrogen to the reaction vessel. Also provided is a method for producing hydrogen for an apparatus in need thereof.
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T. Kodama, et al., “High-Temperature Conversion of CH4to C2-hydrocarbons and H2Using a Redox System of Metal Oxide”,Energy&Fuels, 1997, pp. 1257-1263, vol. 11, No. 6.
Iizuka Kazuyuki
Nakamura Kiyozumi
Otsuka Kiyoshi
Kiyoshi Otsuka
Medina Maribel
Rothwell Figg Ernst & Manbeck P.C.
Silverman Stanley S.
Uchiya Thermostat Co., Ltd.
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