Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 33, Issue 2, Pages 797-801Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2007.10.054
Keywords
preferential CO oxidation; Pt-Rh catalyst; inverse opals
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Catalyst supports of CeO2/SiO2 and Al2O3 with three-dimensionally ordered macroporous structure were fabricated in microchannels by application of PMMA opals as templates. Pt-Rh supported on CeO2/SiO2 showed high efficiency for CO removal in preferential CO oxidation in the presence of excess hydrogen. Pt-Rh supported on Al2O3 with an inverse opal structure showed higher reactivity than that supported on wash-coated Al2O3 layers in microchannel reactor. (C) 2007 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.
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