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Energies 2011, 4(4), 669-684; doi:10.3390/en4040669

Selective Preparation of Furfural from Xylose over Sulfonic Acid Functionalized Mesoporous Sba-15 Materials

1,* , 2
1 Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China 2 Petrochina Xinjiang Oilfield Company, Karamay 834000, China
* Authors to whom correspondence should be addressed.
Received: 25 March 2011 / Revised: 11 April 2011 / Accepted: 18 April 2011 / Published: 20 April 2011
(This article belongs to the Special Issue Biomass and Biofuels)
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Sulfonic acid functionalized mesoporous SBA-15 materials were prepared using the co-condensation and grafting methods, respectively, and their catalytic performance in the dehydration of xylose to furfural was examined. SBA-15-SO3H(C) prepared by the co-condensation method showed 92–95% xylose conversion and 74% furfural selectivity, and 68–70% furfural yield under the given reaction conditions. The deactivation and regeneration of the SBA-15-SO3H(C) catalyst for the dehydration of xylose was also investigated. The results indicate that the used and regeneration catalysts retained the SBA-15 mesoporous structure, and the S content of SBA-15-SO3H(C) almost did not change. The deactivation of the catalysts is proposed to be associated with the accumulation of byproducts, which is caused by the loss reaction of furfural. After regeneration by H2O2, the catalytic activity of the catalyst almost recovered.
Keywords: catalysis; bioconversion; catalyst deactivation; heterogeneous catalysis catalysis; bioconversion; catalyst deactivation; heterogeneous catalysis
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Shi, X.; Wu, Y.; Yi, H.; Rui, G.; Li, P.; Yang, M.; Wang, G. Selective Preparation of Furfural from Xylose over Sulfonic Acid Functionalized Mesoporous Sba-15 Materials. Energies 2011, 4, 669-684.

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