期刊
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
卷 17, 期 1, 页码 6-9出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2010.12.017
关键词
Raw plant biomass; Ionic liquid; Acid catalyst; Hydroxymethylfurfural; Chicory root
资金
- Dong-A University
Chicory roots were introduced for the direct synthesis of hydroxymethylfurfural (HMF), a platform chemical using HCl and the ionic liquid, 1-octyl-3-methylimidazolium chloride ([OMIM]Cl). HCl played an important role in the hydrolysis of chicory sugar polymers. The highest inulin conversion (60.6 +/- 4.4% dwt) occurred with 0.3 M HCl. Increasing HCl concentration up to 1.5 M did not improve inulin conversion. Negligible inulin hydrolysis was found in the absence of HCl. The highest HMF yield (50.9 +/- 5.4% dwt) was obtained in a reaction mixture containing 50% of the reaction solvent ([OMIM]Cl + ethyl acetate) and 50% of the root extract prepared in 0.3 M HCl solution. Increasing the HCl concentration resulted in a decrease in HMF yield. The addition of CrCl2 catalyst decreased HMF yields by an average of 25%. The highest productivity of HMF was achieved in the reaction mixture containing 50% reaction solvent (an admix of 80% [OMIM]Cl + 20% ethyl acetate) and 50% chicory root extract prepared from 20% (w/v) root biomass concentration. (C) 2010 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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