Abstract
A core-shell biacid catalyst WO3@mSiO2-SO3H was prepared. Through the core-shell structure, an interface with internal and external spatial relationship was formed, which was used to synergistic catalyze the preparation of furfural from xylose. And the conversion of xylose was as high as 98.7% and the furfural yield was 70.1% at 170°C for 4 h in water-toluene mixture (1:2 v/v%). The research provided a case for the preparation of furfural from xylose catalyzed by sulfonated core-shell catalyst and provided more application prospects for core-shell catalysts in biomass conversion.
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