期刊
CHEMSUSCHEM
卷 7, 期 6, 页码 1703-1709出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201400119
关键词
5-hydroxymethylfurfural; biomass; fructose; ionic liquids; solid acid catalysts; vanadium phosphate
资金
- Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences, US Department of Energy [De-AC05-00OR22725]
- Oak Ridge National Laboratory
- Oak Ridge National Laboratory by the Scientific User Facilities Division, Office of Basic Energy Science, US Department of Energy
- National Basic Research Program of China [2010CB732300, 2013CB933201]
- Program for New Century Excellent Talents in University [NCET-09-0343]
- Shu Guang Project [10SG30]
- 111 Project [B08021]
Efficient transformation of biomass-derived feedstocks to chemicals and fuels remains a daunting challenge in utilizing biomass as alternatives to fossil resources. A three-phase catalytic system, consisting of an aqueous phase, a hydrophobic ionic-liquid phase, and a solid-acid catalyst phase of nanostructured vanadium phosphate and mesostructured cellular foam (VPO-MCF), is developed for efficient conversion of biomass-derived fructose to 5-hydroxymethylfurfural (HMF). HMF is a promising, versatile building block for production of value-added chemicals and transportation fuels. The essence of this three-phase system lies in enabling the isolation of the solid-acid catalyst from the aqueous phase and regulation of its local environment by using a hydrophobic ionic liquid, 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([BMIM][Tf2N]). This system significantly inhibits the side reactions of HMF with H2O and leads to 91mol% selectivity to HMF at 89% of fructose conversion. The unique three-phase catalytic system opens up an alternative avenue for making solid-acid catalyst systems with controlled and locally regulated microenvironment near catalytically active sites by using a hydrophobic ionic liquid
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