Highly selective and stable Ni/La-M (M=Sm, Pr, and Mg)-CeO2 catalysts for CO2 methanation

G. Siakavelas,N. D. Charisiou,A. Alkhoori,S. Alkhoori,V Sebastian,S. J. Hinder,M. A. Baker,I. Yentekakis,K. Polychronopoulou,M. A. Goula

Journal of CO2 Utilization（2021）

引用 78|浏览8

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摘要

•Highly selective CO2 methanation Ni catalysts via microwave assisted sol gel method.•La3+, Pr3+ and La3+, Sm3+ incorporated into the CeO2 increased the O- vacancies.•The presence of La3+, Mg2+ and La3+, Pr3+ into the CeO2 enhanced the basic sites.•Stable Ni nps via a probable genesis of La-O-Ni improved the catalytic performance.

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关键词

CO2 methanation,Nickel catalysts,Doped-ceria support,Resistance to sintering,Oxygen vacant sites

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