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Synthesis and Catalytic Activity of Ni/Ce-MCM-41 Mesoporous Catalysts for Hydrogen Production

Published online by Cambridge University Press:  01 February 2011

J. A. Wang ,
J. C. Guevara ,
L.F. Chen ,
J. Salmones ,
M. A. Valenzuela ,
P. Salas ,
F. H. Cao  and
G. X. Yu
J. A. Wang
Affiliation:
ESIQIE, Instituto Politécnico Nacional, Col. Zacatenco, 07738 México D. F., Mexico
J. C. Guevara
Affiliation:
ESIQIE, Instituto Politécnico Nacional, Col. Zacatenco, 07738 México D. F., Mexico
L.F. Chen
Affiliation:
ESIQIE, Instituto Politécnico Nacional, Col. Zacatenco, 07738 México D. F., Mexico
J. Salmones
Affiliation:
ESIQIE, Instituto Politécnico Nacional, Col. Zacatenco, 07738 México D. F., Mexico
M. A. Valenzuela
Affiliation:
ESIQIE, Instituto Politécnico Nacional, Col. Zacatenco, 07738 México D. F., Mexico
P. Salas
Affiliation:
Centro de Física Aplicada y Tecnología Avanzada, Universidad Nacional Autónoma de México, Apartado Postal 1-1010, 76000 Querétaro, Mexico
F. H. Cao
Affiliation:
Chemical Engineering School, East China University of Science and Technology, 200237 Shanghai, P. R. China
G. X. Yu
Affiliation:
School of Chemistry and Environmental Engineering, Jianghan University, 430056 Wuhan, P. R. China
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Abstract

Ce-containing MCM-41 mesoporous materials with large surface area and ordered pore structure system have been possible to be synthesized through a surfactant-assisted approach. The textural properties and structural regularity of the materials varied with the Si/Ce molar ratio. It is found that the band at 970 cm-1 in the FTIR spectrum of the Ce-MCM-41 mesoporous materials might be used as an indicator of the formation of the Ce-O-Si bond and its intensity as a measure of a degree of cerium ion substitution in the framework of Si-MCM-41. When Ni was loaded on the Ce-MCM-41 support, the Ni/Ce-MCM-41 catalysts show high catalytic activity which has strong temperature dependence. The methane conversion over these catalysts reached 60-75 % with a 100 % selectivity towards hydrogen.

Keywords

Hydrogen ProductionMethane Catalytic DecompositionCarbon NanotubeCeMCM-41Ni-based Catalysts
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1279: New Catalytic Materials , 2010 , 32
Copyright
Copyright © Materials Research Society 2010

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