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

Xuejun Shi, Yulong Wu, Huaifeng Yi, Guo Rui, Panpan Li, Mingde Yang and Gehua Wang
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Xuejun Shi: Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China
Yulong Wu: Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China
Huaifeng Yi: Petrochina Xinjiang Oilfield Company, Karamay 834000, China
Guo Rui: Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China
Panpan Li: Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China
Mingde Yang: Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China
Gehua Wang: Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China

Energies, 2011, vol. 4, issue 4, 1-16

Abstract: 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-SO 3 H(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-SO 3 H(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-SO 3 H(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 H 2 O 2 , the catalytic activity of the catalyst almost recovered.

Keywords: catalysis; bioconversion; catalyst deactivation; heterogeneous catalysis (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2011
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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