Journal
CATALYSIS TODAY
Volume 175, Issue 1, Pages 524-527Publisher
ELSEVIER
DOI: 10.1016/j.cattod.2011.03.003
Keywords
Fructose; Sucrose; 5-Hydroxymethylfurfural; Iron catalysis; Biomass transformation
Funding
- China Postdoctoral Science Foundation [20080440676, 200902273]
- Natural Science Foundation of China [20425619]
- Program of Introducing Talents to the University Disciplines [B06006]
- Program for Changjiang Scholars and Innovative Research Teams in Universities [IRT 0641]
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A highly efficient iron-catalyzed production of 5-hydroxymethylfurfural (HMF) from sugar is reported. The dehydration of fructose and sucrose has been studied in the presence of different iron salts and co-catalysts. As a result, it was found that fructose and sucrose could be efficiently and selectively converted to HMF using a combination of environmentally friendly FeCl3 and tetraethyl ammonium bromide (Et4NBr) as the catalytic system. For instance, 86% HMF yield at full conversion of fructose was obtained for 2 h at 90 degrees C in air. The effects of catalyst concentration, reaction time and reaction temperature were investigated in detail. The electronic absorption spectra of different catalysts were recorded, and the FeCl3Br- ion was considered as the active catalyst species. (C) 2011 Elsevier B.V. All rights reserved.
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