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Energies 2013, 6(7), 3284-3296; doi:10.3390/en6073284
Article

Catalytic Steam Reforming of Toluene as a Model Compound of Biomass Gasification Tar Using Ni-CeO2/SBA-15 Catalysts

1
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1
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1,* , 2
 and
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1 National Engineering Laboratory for Biomass Power Generation Equipment, North China Electric Power University, No.2 Beinong Road, Changping District, Beijing 102206, China 2 Key Laboratory of Condition Monitoring and Control for Power Plant Equipment, Ministry of Education, North China Electric Power University, No.2 Beinong Road, Changping District, Beijing 102206, China 3 School of Sustainable Development of Society and Technology, Mälardalen Univeristy, Västerås, SE-721 23, Sweden
* Author to whom correspondence should be addressed.
Received: 6 May 2013 / Revised: 16 June 2013 / Accepted: 27 June 2013 / Published: 4 July 2013
(This article belongs to the Special Issue Biomass and Biofuels 2013)
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Abstract

Nickel supported on SBA-15 doped with CeO2 catalysts (Ni-CeO2/SBA-15) was prepared, and used for steam reforming of toluene which was selected as a model compound of biomass gasification tar. A fixed-bed lab-scale set was designed and employed to evaluate the catalytic performances of the Ni-CeO2/SBA-15 catalysts. Experiments were performed to reveal the effects of several factors on the toluene conversion and product gas composition, including the reaction temperature, steam/carbon (S/C) ratio, and CeO2 loading content. Moreover, the catalysts were subjected to analysis of their carbon contents after the steam reforming experiments, as well as to test the catalytic stability over a long experimental period. The results indicated that the Ni-CeO2/SBA-15 catalysts exhibited promising capabilities on the toluene conversion, anti-coke deposition and catalytic stability. The toluene conversion reached as high as 98.9% at steam reforming temperature of 850 °C and S/C ratio of 3 using the Ni-CeO2(3wt%)/SBA-15 catalyst. Negligible coke formation was detected on the used catalyst. The gaseous products mainly consisted of H2 and CO, together with a little CO2 and CH4.
Keywords: steam reforming; biomass gasification tar; toluene; Ni-CeO2/SBA-15 steam reforming; biomass gasification tar; toluene; Ni-CeO2/SBA-15
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Tao, J.; Zhao, L.; Dong, C.; Lu, Q.; Du, X.; Dahlquist, E. Catalytic Steam Reforming of Toluene as a Model Compound of Biomass Gasification Tar Using Ni-CeO2/SBA-15 Catalysts. Energies 2013, 6, 3284-3296.

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