Kinetic studies of CO2dissociation on supported Ni catalysts |
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Authors: | Toshihiko Osaki and Toshiaki Mori |
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Institution: | (1) National Institute of Advanced Industrial Science and Technology (AIST), 2266-98, Anagahora, Shimoshidami, Moriyama-ku, Nagoya 463-8560, Japan;(2) Department of Materials Science and Technology, Faculty of Science and Technology, Hirosaki University, Bunkyo-cho, Hirosaki 036-8561, Japan |
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Abstract: | Summary In order to investigate the kinetics of CO2dissociation on supported nickel catalysts, a novel technique, which can give the surface reaction rate constants with no
information on the number of active sites, was developed. It was revealed that CO2dissociation was more enhanced on TiO2support than on other metal oxide ones. The activity pattern and activation energies were in good agreement with those obtained
by a conventional pulse technique using the number of active sites, suggesting the validity of the present technique for investigating
the kinetics of the surface reaction.</o:p> |
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Keywords: | kinetics oxygen transition metals CO2 hydrogenation nickel CO CO2 reforming Surface reaction CO2 adsorption CO2 dissociation |
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