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Received September 15, 2015
Accepted February 18, 2016
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Preferential CO oxidation over supported Pt catalysts

Department of Environmental Engineering, Yonsei University, 1 Yonseidae-gil, Wonju, Gangwon-do 26493, Korea 1Department of Natural Resources and Environmental Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea 2School of Chemical Engineering, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Suwon, Gyeonggi-do 16419, Korea
Korean Journal of Chemical Engineering, June 2016, 33(6), 1781-1787(7), 10.1007/s11814-016-0050-5
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Abstract

Preferential CO oxidation reaction has been carried out at a gas hourly space velocity of 46,129 h-1 over supported Pt catalysts prepared by an incipient wetness impregnation method. Al2O3, MgO-Al2O3 (MgO=30 wt% and 70 wt%) and MgO were employed as supports for the target reaction. 1 wt% Pt/Al2O3 catalyst exhibited very high performance (XCO>90% at 175 ℃ for 100 h) in the reformate gases containing CO2 under severe conditions. This result is mainly due to the highest Pt dispersion, easier reducibility of PtOx, and easier electron transfer of metallic Pt. In addition, 1 wt% Pt/Al2O3 catalyst was also tested in the reformate gases with both CO2 and H2O to evaluate under realistic condition.

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