Catalytic conversion of xylose to furfural over the solid acid SO42-/ZrO2-Al2O3/SBA-15 catalysts

被引：82

作者：

Shi, Xuejun ^{[1
]}

Wu, Yulong ^{[1
]}

Li, Panpan ^{[1
]}

Yi, Huaifeng ^{[2
]}

Yang, Mingde ^{[1
]}

Wang, Gehua ^{[1
]}

机构：

[1] Tsinghua Univ, Inst Nucl & New Energy Technol, Beijing 100084, Peoples R China

[2] Petrochina Xinjiang Oilfield Co, Karamay 834000, Peoples R China

来源：

CARBOHYDRATE RESEARCH | 2011年 / 346卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Xylose; Furfural; Dehydration; Acid catalysis; Sulfated zirconia; SULFATED ZIRCONIA; MESOPOROUS SILICA; MODIFIED VERSIONS; SURFACE-ACIDITY; DEHYDRATION; TRANSITION; ALUMINA; PHASE;

D O I：

10.1016/j.carres.2011.01.001

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Al-promoted SO42-/ZrO2/SBA-15 catalysts were prepared and characterized by XRD, BET, ICP and NH3-TPD techniques. The influence of introducing aluminum on the structure and surface properties of the catalyst and the catalytic activity for dehydration of xylose to furfural has been investigated. The introduction of the Al stabilizes the tetragonal phase of the ZrO2 and thus increases the number and intensity of acid sites. Based on the characterization of the deactivated catalyst, the accumulation of byproducts is the main reason for the deactivation of the catalyst. Regeneration with H2O2 can completely recover the catalytic activity of the deactivated catalyst. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：480 / 487

页数：8

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