期刊
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS
卷 39, 期 21, 页码 2072-2077出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15567036.2017.1402103
关键词
Biofuels; biomass conversion; xylose; furfural; heterogeneous catalysis
资金
- National Natural Science Foundation of China [21576059, 21666008]
- Key Technologies R&D Program of China [2014BAD23B01]
Aqueous-phase catalytic conversion of biomass-derived xylose to value-added furfural typically involves cascade xylose-to-xylulose isomerization and dehydration. To simplify this catalytic process with improved efficiency, a Lewis and Bronsted acid bifunctional NbOPO3 catalyst was synthesized by an impregnation method. The effects of reaction time/temperature, catalyst dosage, and the substrate concentration, as well as reaction kinetics, were studied. A high furfural yield of 54.9 mol% was obtained at 180 degrees C for 3 h. The synergistic effect of Lewis and Bronsted acid sites in the highly recyclable NbOPO3 catalyst was demonstrated to be important for efficient conversion of xylose to furfura
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