Chemistry of inorganic compounds – Hydrogen or compound thereof – Elemental hydrogen
Reexamination Certificate
2007-10-19
2010-02-23
Langel, Wayne (Department: 1793)
Chemistry of inorganic compounds
Hydrogen or compound thereof
Elemental hydrogen
C423S438000, C423S593100, C423S594150, C423S648100
Reexamination Certificate
active
07666387
ABSTRACT:
The present invention is directed to a thermochemical method for the production of hydrogen from water. The method includes reacting a multi-valent metal oxide, water and a carbonate to produce an alkali metal-multi-valent metal oxide compound, carbon dioxide, and hydrogen.
REFERENCES:
patent: 4192726 (1980-03-01), Pangborn et al.
patent: 4314984 (1982-02-01), Lawson et al.
patent: 4332650 (1982-06-01), Foh et al.
patent: 4440733 (1984-04-01), Lawson et al.
Robinson, Paul R. “An Acid-Base Model for Thermochemical Water Splitting: Results of Experimental Tests on Manganese-Bases Thermochemical Cylcles”, Proceedings of the Annual Meeting-American Section of the International Solar Energy Society (1980), 3 (Sect. 1), 135-8 (no month).
Sayama, Kazuhiro et al et al, “Remarkable effect of sodium carbonate addition on photodecomposition of liquid water into hydrogen and oxygen from a suspension of semiconductor powder loaded with various metals”, Natl. Chem. Lab. Ind., Tsukuba, 305, Japan Chemistry Letters (1992), (2), 253-6 (no month).
Langmuir, Donald, Uranium Solution—Mineral Equilibria at Low Temperatures with Applications to Sedimentary Ore Deposits, Geochimica or Cosmochimica Acta, 1978, pp. 547-569, vol. 42.
L.C. Brown, et al., High Efficiency Generation of Hydrogen Fuels Using Nuclear Power, Final Technical Report for the Period of Aug. 1, 1999 through Sep. 30, 2002, General Atomics Report GA-A24285, 2003.
L.O. Williams, Hydrogen Power: An Introduction to Hydrogen Energy and its Applications, 1980, pp. 49-91, Chapter 4.
Collins Jack L
Dole Leslie R
Ferrada Juan J
Forsberg Charles W
Haire Marvin J
Gergel Edna I.
Langel Wayne
UT-Battelle LLC
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