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Supported Ni catalyst made by electroless Ni-B plating for diesel autothermal reforming

Published online by Cambridge University Press:  22 May 2012

Zetao Xia ,
Liang Hong ,
Wei Wang  and
Zhaolin Liu
Zetao Xia
Affiliation:
Institute of Materials Research & Engineering, 3 Research Link, Singapore, 117602
Liang Hong*
Affiliation:
Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 117576 Institute of Materials Research & Engineering, 3 Research Link, Singapore, 117602
Wei Wang
Affiliation:
Institute of Materials Research & Engineering, 3 Research Link, Singapore, 117602
Zhaolin Liu
Affiliation:
Institute of Materials Research & Engineering, 3 Research Link, Singapore, 117602
*
*Email: chehongl@nus.edu.sg
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Abstract

CexGd1-xO2-δ (CGO)-supported Ni nano grains were prepared initially by electrolessly depositing Ni-B alloy nano particles onto an activated carbon (AC). The as-deposited Ni-B particles were then transferred from AC to CGO through the metallo-organic precursor approach. The resultant Ni/CGO catalysts displayed excellent catalytic activity and chemical stability against coking and sulfur poisoning in catalyzing autothermal reforming (ATR) of a surrogate diesel fuel, comprising dodecane, tetralin and a substituted thiophene. For comparison purpose, a Ni/CGO catalyst prepared by the conventional impregnation method was employed in the same ATR system. These two catalytic systems exhibited rather discrepant outcomes. It was found that the Ni(B)/CGO catalyst was capable of repressing selectivity of ethylene during the reforming process. In addition to this, CGO played a critical role in thermal cracking hydrocarbon chains and inhibiting sulfur poisoning.

Keywords

catalyticenergy storageNi
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1446: Symposium U – Materials for Catalysis in Energy , 2012 , mrss12-1446-u11-07
Copyright
Copyright © Materials Research Society 2012

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References

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