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 (X CO >90% at 175 °C 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 PtO x , 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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Jeon, KW., Jeong, DW., Jang, WJ. et al. Preferential CO oxidation over supported Pt catalysts. Korean J. Chem. Eng. 33, 1781–1787 (2016). https://doi.org/10.1007/s11814-016-0050-5
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DOI: https://doi.org/10.1007/s11814-016-0050-5