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Core-Shell Structured [email protected]2 Catalysts Exhibiting Excellent Catalytic Performance for Syngas Methanation Reactions

1, 1 and 1,2,*
School of Chemistry and Chemical Engineering of Shihezi University, Shihezi 832000, Xinjiang, China
Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi 832000, Xinjiang, China
Author to whom correspondence should be addressed.
Academic Editors: Benoît Louis, Qiang Wang and Marcelo Maciel Pereira
Catalysts 2017, 7(1), 21;
Received: 24 November 2016 / Revised: 17 December 2016 / Accepted: 5 January 2017 / Published: 9 January 2017
PDF [3267 KB, uploaded 9 January 2017]


In this study, we prepared core-shell structured [email protected]2 catalysts using chemical precipitation and modified Stöber methods. The obtained [email protected]2 samples exhibited excellent catalysis performances, including high CO conversion of 99.0% and CH4 yield of 89.8%. Moreover, [email protected]2 exhibited excellent catalytic stability during a 100 h lifetime test, which was superior to that of the Ni/SiO2 catalyst. The prepared samples were characterized using a series of techniques, and the results indicated that the catalytic performance for syngas methanation reaction of the [email protected]2 sample was markedly improved owing to its nanoreactor structure. The strong interaction between the Ni core and the SiO2 shell effectively restrained the growth of particles, and the deposition of C species. View Full-Text
Keywords: syngas methanation; [email protected]2; anti-carbon deposition; catalytic stability syngas methanation; [email protected]2; anti-carbon deposition; catalytic stability

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Han, Y.; Wen, B.; Zhu, M. Core-Shell Structured [email protected]2 Catalysts Exhibiting Excellent Catalytic Performance for Syngas Methanation Reactions. Catalysts 2017, 7, 21.

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