Journal
BIORESOURCE TECHNOLOGY
Volume 121, Issue -, Pages 462-466Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2012.06.081
Keywords
Dehydration; Glucose; 5-Hydroxymethylfurfural; Ionic liquid
Funding
- Natural Science Foundation of China [20806007]
- National Basic Research Program of China (973 Program) [2010CB226902]
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The dehydration of fructose or glucose to 5-hydroxymethylfurfural (5-HMF) using room temperature ionic liquids (ILs) as a solvent is a promising method for producing liquid fuels from renewable resources. The IL, 1-hydroxyethyl-3-methylimidazolium tetrafluoroborate ([C2OHMIM]BF4), was used a catalyst-rather than as a solvent-in the conversion of fructose or glucose to 5-HMF. With glucose, the yield of 5-HMF reached as high as 67.3% after 1 h at 180 degrees C in dimethylsulfoxide (DIMSO) as solvent. The catalyst was separated from the reaction mixture by distilling solvent and reused six times without loss of activity. Furthermore, a kinetic analysis was carried out to illustrate the formation of 5-HMF, and the values of the activation energy and the pre-exponential factor for the reaction were 55.77 kJ mol(-1) and 1.6 x 10(4) min(-1) respectively. (C) 2012 Elsevier Ltd. All rights reserved.
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