Journal
CANADIAN JOURNAL OF CHEMISTRY
Volume 89, Issue 1, Pages 83-87Publisher
CANADIAN SCIENCE PUBLISHING, NRC RESEARCH PRESS
DOI: 10.1139/V10-153
Keywords
xylose; dehydrate; furfural; ionic liquids
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Funding
- State Key Laboratory for Oxo Synthesis and Selective Oxidation of China
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An efficient and simple process for the dehydration of xylose into furfural was studied, which was catalyzed by 1-(4-sulfonic acid)butyl-3-methylimidazolium hydrogen sulfate (IL-1) under mild conditions. A xylose conversion of 95.3% with a furfural yield of 91.45% was achieved in a 25 min reaction time at 150 degrees C; the xylose conversion and furfural yield greatly depended on the operation conditions, such as reaction time and temperature. IL-1 could be recycled and exhibited constant activity for five successive trials. This system was an important improvement, relative to the reactions using mineral acids at high temperatures, for further development on a pilot scale.
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