Journal
CARBOHYDRATE POLYMERS
Volume 117, Issue -, Pages 694-700Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2014.10.062
Keywords
Cellulose; 5-Hydroxymethylfurfural; Ionic liquid; CrCl3
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Funding
- National Natural Science Foundation of China [21373188, 21243010]
- Nature Science Foundation of Zhejiang Provience [LY12B03001]
- Open Foundation of Key Laboratory of Ministry of Education for Advanced Catalysis Materials (Zhejiang Normal University) [CL201002]
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One-step conversion of cellulose to HMF (5-hydroxymethylfurfural) has been achieved by using metal chlorides (CrCl3, CuCl2, SnCl4, WCl6) in [BMIM]Cl. The effects of temperature, reaction time, amount of catalysts, and the purity of [BMIM]Cl on the performance have been studied and discussed in detail. More than 63% yield of HMF and 80% yield of TRS (total reducing sugar) were obtained in [BMIM]Cl with CrCl3 at 120 degrees C under atmospheric pressure. Filter paper and cotton were also used as a source for cellulose degradation to HMF, but only a moderate yield of HMF was obtained (40% for filter paper and 12% for cotton). The reutilization of this system was examined and the reaction mechanism was also discussed. (C) 2014 Elsevier Ltd. All rights reserved.
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