High-temperature solar reforming of methane with CO2 is investigated using a directly solar-irradiated absorber subjected to a solar mean flux level above 400kWm−2 (the peak flux of about 700kWm−2). The new type of catalytically-activated ceramic foam absorber — an Ru/Ni-Mg-O catalyzed SiC foam absorber — was prepared and its activity was tested in a laboratory-scale volumetric receiver-reactor with a transparent (quartz) window by using a sun-simulator. Compared to conventional Rh/Al2O3 catalyzed SiC foam absorber, this new catalytic absorber is more cost-effective and is found to exhibit a superior reaction performance at the high solar flux or at high temperatures, especially above 950 °C. This new absorber will be applied in solar receiver-reactor systems for converting concentrated high solar fluxes to chemical fuels via endothermic natural-gas reforming at the high temperatures.
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ASME 2005 International Solar Energy Conference
August 6–12, 2005
Orlando, Florida, USA
Conference Sponsors:
- Solar Energy Division
ISBN:
0-7918-4737-3
PROCEEDINGS PAPER
Ru/Mi-Mg-O Catalyzed SiC-Foam Absorber for Solar Reforming Receiver-Reactor
Tatsuya Kodama,
Tatsuya Kodama
Niigata University, Niigata, Japan
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Takuya Moriyama,
Takuya Moriyama
Niigata University, Niigata, Japan
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Takehiro Shimoyama,
Takehiro Shimoyama
Niigata University, Niigata, Japan
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Nobuyuki Gokon
Nobuyuki Gokon
Niigata University, Niigata, Japan
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Tatsuya Kodama
Niigata University, Niigata, Japan
Takuya Moriyama
Niigata University, Niigata, Japan
Takehiro Shimoyama
Niigata University, Niigata, Japan
Nobuyuki Gokon
Niigata University, Niigata, Japan
Paper No:
ISEC2005-76185, pp. 697-705; 9 pages
Published Online:
October 15, 2008
Citation
Kodama, T, Moriyama, T, Shimoyama, T, & Gokon, N. "Ru/Mi-Mg-O Catalyzed SiC-Foam Absorber for Solar Reforming Receiver-Reactor." Proceedings of the ASME 2005 International Solar Energy Conference. Solar Energy. Orlando, Florida, USA. August 6–12, 2005. pp. 697-705. ASME. https://doi.org/10.1115/ISEC2005-76185
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