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International Journal of Hydrogen Energy, 1998. 23(9): p. 767-774.;  Steinfeld, A., S. Sanders, and R. Palumbo, Design aspects of solar thermochemical engineering_A case study: Two-step water-splitting cycle using the Fe3O4/FeO redox system. Solar Energy, 1999. 65(1): p. 43-53.;  Perkins, C., P. Lichty, and a. Weimer, Thermal ZnO dissociation in a rapid aerosol reactor as part of a solar hydrogen production cycle. International Journal of Hydrogen Energy, 2008. 33(2): p. 499-510.;  Perkins, C., P. Lichty, and A.W. Weimer, Determination of aerosol kinetics of thermal ZnO dissociation by thermogravimetry. Chemical Engineering Science, 2007. 62(21): p. 5952-5962.;  Dahl, J., et al., Solar-thermal dissociation of methane in a fluid-wall aerosol flow reactor. International Journal of Hydrogen Energy, 2004. 29(7): p. 725-736.;  Dahl, J.K., et al., Intrinsic kinetics for rapid decomposition of methane in an aerosol flow reactor. International Journal of Hydrogen Energy, 2002. 27(4): p. 377-386.;  Dahl, J.K., et al., Rapid solar-thermal dissociation of natural gas in an aerosol flow reactor. Energy, 2004. 29(5-6): p. 715-725.;  Dahl, J.K., et al., Solar-thermal processing of methane to produce hydrogen and syngas. Energy&Fuels, 2001. 15(5): p. 1227-1232.;  Dahl, J.K., A.W. Weimer, and W.B. Krantz, Sensitivity analysis of the rapid decomposition of methane in an aerosol flow reactor. International Journal of Hydrogen Energy, 2004. 29(1): p. 57-65.;  Dahl, J.K., et al., Dry reforming of methane using a solar-thermal aerosol flow reactor. Industrial&Engineering Chemistry Research, 2004. 43(18): p. 5489-5495.;  International Preliminary Report on Patentability and Written Opinion, Application No. PCT/US07/77134, Mailed Jan. 16, 2008. 7 pages.;  Weimer et al., "Modeling of Char Particle Size/Conversion Distributions in a Fluidized Bed Gasifier: Non-Isothermal Effects," Powder Technology, 1980, pp. 85-103, vol. 27, Elsevier Sequoia S.A., Lausanne, Netherlands.;  Milne et al., "Biomass Gasifier "Tars": Their Nature, Formation, and Conversion," National Renewable Energy Laboratory, Nov. 1998, TP-570-25357.;  Lichty et al., "Rapid High Temperature Solar Thermal Biomass Gasification in a Prototype Cavity Reactor," Journal of Solar Energy Engineering, Feb. 2010, pp. 011012-1 to 011012-7, vol. 132, ASME, published online.;  Antal, M.J., et al. "Design and Operation of a Solar Fired Biomass Pyrolysis Reactor," Solar Energy, vol. 30, No. 4, 1983, pp. 299-312.;  Australia Government (IP Australia) issued an Office Action dated Sep. 30, 2010 for related Australian Patent Application No. 2007/289219, entitled "Rapid Solar-Thermal Conversion of Biomass to Syngas," 3 pages.;  Extended European Search Report, the supplementary European Search and European Search Opinion for European Application No. 07814538.0, dated May 20, 2011, 8 pages.;  Cross Reference to Related Applications Under 37 C.F.R. --sect-- 1.78, Jun. 16, 2011.US45317-E  Hebecker, D., P. Bittrich, and K. Riedl, Hierarchically structured exergetic and exergoeconomic analysis and evaluation of energhy converson processes. Energy Conversion and Management, 2005. 46:p. 1247-1266.;  Steinfeld, A., S. Sanders, and R. Palumbo, Design aspects of solar thermochemical engineering_A case study: Two step water-splitting cycle using the Fe3O4/FeO redox system. Solar Energy, 1999 65(1): p. 43-53.;  Perkins, C., P. Lichty, and A.Weimer, Thermal ZnO dissociation in a rapid aerosol reactor as part of a solar hydrogen production cycle. International Journal of Hydrogen Energy, 2008. 33(2): p. 499-510.;  Perkins, C., P. Lichty, and A.W. Weimer, Determination of aerosol kinetics of thermal ZnO dissociation by thermogravimetry, Chemical Engineering Science, 2007. 62(21): p. 5952-5962.;  Dahl, J., et al. Solar thermal dissociation of methane in a fluid-wall aerosol flow reactor. International Journal of Hydrogen Energy, 2004. 29(7): p. 725-736.;  Dahl, J.K. et al., Intrisic kinetics for rapid decomposition of methane in an aerosol flow reactor. International Journal of Hydrogen Energy, 2002. 27(4): p. 377-386.;  Dahl, J.K. et al., Rapid solar-thermal dissociation of natural gas in an aerosol flow reactor. Energy, 2004. 29(5-6): p. 715-725.;  Dahl, J.K. et al., Solar-thermal processing of methane to produce hydrogen and syngas. Energy & Fuels, 2001. 15(5): p. 1227-1232.;  Dahl, J.K., A.W. Weimer, and W.B. Krantz, Sensitivity analysis of the rapid decomposition of methane in an aerosol flow reactor. International Journal of Hydrogen Energy, 2004. 29(1): p. 57-65.;  Dahl, J.K. Et al., Dry reforming of methane using a solar-thermal aerosol flow reactor. Industrial & Engineering Chemistry Research, 2004. 43(18): p. 5489-5495.;  Cross Reference to related Applications Under 37 C.F.R. --sect-- 1.78.;  U.S. Appl. No. 12/145,383, filed Jun. 24, 2008, Hinman et al.;  U.S. Appl. No. 12/237,999, filed Sep. 25, 2008, Hinman et al.;  Steinfeld, A., et al., Solar Thermal Production of Zinc and Syngas Via Combined Zno-Reduction and Ch4-Reforming Process. International Journal of Hydrogen Energy, 1995. 20(10): p. 793-804.;  Steinfeld, A., et al., Solar-processed metals as clean energy carriers and water-splitters. International Journal of Hydrogen Energy, 1998. 23(9): p. 767-774.;  International Preliminary Report on Patentability and Written Opinion, Application No. PCT/US07/77134, Mailed Jan. 16, 2008. 7 pages.;  Weimer et al., "Modeling of Char Particle Size/Conversion Distributions in a Fluidized Bed Gasifier: Non-Isothermal Effects," Powder Technology, 1980, pp. 85-103, vol. 27, Elsevier Sequoia S.A., Lausanne, Netherlands.;  Milne et al., "Biomass Gasifier "Tars": Their Nature, Formation, and Conversion," National Renewable Energy Laboratory, Nov. 1998, TP-570-25357.;  Lichty et al., "Rapid High Temperature Solar Thermal Biomass Gasification in a Prototype Cavity Reactor," Journal of Solar Energy Engineering, Feb. 2010, pp. 011012-1 to 011012-7, vol. 132, ASME, published online.;  Antal, M.J., et al. "Design and Operation of a Solar Fired Biomass Pyrolysis Reactor," Solar Energy, vol. 30, No. 4, 1983, pp. 299-312.;  Australia Government (IP Australia) issued an Office Action dated Sep. 30, 2010 for related Australian Patent Application No. 2007/289219, entitled "Rapid Solar-Thermal Conversion of Biomass to Syngas," 3 pages.;  Extended European Search Report, the supplementary European Search and European Search Opinion for European Application No. 07814538.0, dated May 20, 2011, 8 pages.