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Catalytic conversion of glucose to 5-hydroxymethylfurfural over nano-sized mesoporous Al2O3–B2O3 solid acids

Paper ID Volume ID Publish Year Pages File Format Full-Text
50474 46796 2015 5 PDF Available
Title
Catalytic conversion of glucose to 5-hydroxymethylfurfural over nano-sized mesoporous Al2O3–B2O3 solid acids
Abstract

•Nano-sized mesoporous Al2O3–B2O3 catalysts exhibit considerable Lewis acid sites.•Al2O3–B2O3 catalysts can efficiently promote transformation of glucose to HMF.•Al2O3–B2O3 catalysts take on favorable reusability.

A series of nano-sized mesoporous Al2O3–B2O3 catalysts with different molar ratios of Al/B were prepared from aluminum isopropoxide and boric acid through an evaporation-induced self-assembly (EISA) process, and were characterized by ICP-AES, FTIR (pyridine adsorption), XRD, NH3-TPD, SEM, TEM, and N2 adsorption–desorption. These catalysts were further used as solid acids in the catalytic conversion of glucose to 5-hydroxymethylfurfural (HMF). An optimized HMF yield of 41.4% was obtained within 120 min at 140 °C over Al2O3–B2O3 (Al/B = 5:5). It was demonstrated that catalysts with the presence of Lewis acid sites were more favorable for the formation of HMF.

Keywords
Heterogeneous catalysis; Mesoporous solid acids; Nano-sized catalysts; Glucose; 5-Hydroxymethylfurfural
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Catalytic conversion of glucose to 5-hydroxymethylfurfural over nano-sized mesoporous Al2O3–B2O3 solid acids
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 62, 5 March 2015, Pages 19–23
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
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