摘要
A novel catalyst, Zr (IV)-salen-MCM-41 with Lewis acid and base sites, was prepared and characterized by FT-IR, TG, XRD, SEM, TEM, BET, NH3-TPD, and CO_2-TPD. The as-synthesized catalyst was applied to the conversion of fructose into 5-hydroxymethylfurfural (HMF). In this work, the heterogeneous catalyst had a superior activity for the dehydration of fructose into HMF. 92,0% HMF yield was obtained from fructose at 140 ℃ for 4 h in dimethyl sulfoxide (DMSO), In addition, the effect of reaction temperature, reaction time, solvents and catalyst dosages were also investigated in detail. Meanwhile, the Zr (IV)-salen-MCM-41 could be reused four times with a slight decrease in catalytic activity
A novel catalyst, Zr (IV)-salen-MCM-41 with Lewis acid and base sites, was prepared and characterized by FT-IR, TG, XRD, SEM, TEM, BET, NH3-TPD, and CO_2-TPD. The as-synthesized catalyst was applied to the conversion of fructose into 5-hydroxymethylfurfural (HMF). In this work, the heterogeneous catalyst had a superior activity for the dehydration of fructose into HMF. 92,0% HMF yield was obtained from fructose at 140 ℃ for 4 h in dimethyl sulfoxide (DMSO), In addition, the effect of reaction temperature, reaction time, solvents and catalyst dosages were also investigated in detail. Meanwhile, the Zr (IV)-salen-MCM-41 could be reused four times with a slight decrease in catalytic activity
引文
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