期刊
BIORESOURCE TECHNOLOGY
卷 106, 期 -, 页码 170-172出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2011.11.069
关键词
Dehydration; Fructose; 5-Hydroxymethylfurfural; Ionic liquid
资金
- Natural Science Foundation of China [20806007]
- National Basic Research Program of China (973 Program) [2010CB226902]
The dehydration of fructose to 5-hydroxymethylfurfural (5-HMF) with room temperature ionic liquids (ILs) is a way of producing liquid fuels from renewable resources, but separation of products and IL is energy intensive. In this work, a heteropolyacid salt of an IL-forming cation functionalized with a propanesulfonate group, 1-(3-sulfonicacid)propyl-3-methyl imidazolium phosphotungstate ([MIM-PS](3)PW12O40), was used as a catalyst rather than as a solvent in the conversion of fructose to 5-HMF. The maximum yield of 5-HMF was 99.1% at 120 degrees C after 2 h using sec-butanol as solvent, and the catalyst was separated from the reaction mixture by a simple process at the end of the reaction and reused six times without loss of activity. (C) 2011 Elsevier Ltd. All rights reserved.
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