Effect of Rare Earth Oxide on the Catalytic Performance of Au/CeO2 Catalyst for Water-Gas Shift Reaction

Abstract

Abstract: Au/CeO2-RE2O3 (RE = Nd, Eu, Sm, Y) catalysts prepared by deposition- precipitation for water-gas shift reaction were studied, especially, the Au/CeO2- Y2O3 catalysts with different Y2O3 loadings. The catalyst with Ce/Y molar ratio = 35 shows the best catalytic activity and stability because of its unique structural stability and oxygen vacancies.

Key words: rare earth oxide, yttria, gold, ceria, supported catalyst, water-gas shift reaction, stability

YANG Shenyong;ZHAN Yingying;CHEN Chongqi;CAO Yanning;LIN Xingyi;ZHENG Qi*. Effect of Rare Earth Oxide on the Catalytic Performance of Au/CeO2 Catalyst for Water-Gas Shift Reaction[J]. Chinese Journal of Catalysis, 2009, 30(7): 666-672.

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https://www.cjcatal.com/EN/Y2009/V30/I7/666

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Effect of Rare Earth Oxide on the Catalytic Performance of Au/CeO2 Catalyst for Water-Gas Shift Reaction

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