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Metal-Catalyzed Degradation of Cellulose in Ionic Liquid Media

Department of Chemistry and Biotechnology, Division of Chemistry, Tallinn University of Technology, Akadeemia tee 15, 12618 Tallinn, Estonia
Author to whom correspondence should be addressed.
Inorganics 2018, 6(3), 78;
Received: 14 June 2018 / Revised: 2 August 2018 / Accepted: 8 August 2018 / Published: 10 August 2018
(This article belongs to the Special Issue Organometallic Ionic Liquid)
Biomass conversion to 5-hydroxymethylfurfural (HMF) has been widely investigated as a sustainable alternative to petroleum-based feedstock, since it can be efficiently converted to fuel, plastic, polyester, and other industrial chemicals. In this report, the degradation of commercial cellulose, the isomerization of glucose to fructose, and the conversion of glucose to HMF in 1-butyl-3-methylimidazolium chloride ([BMIM]Cl]) using metal catalysts (CrCl3, ZnCl2, MgCl2) as well as tungsten and molybdenum oxide-based polyoxometalates (POM) were investigated. Tungsten and molybdenum oxide-based POMs in ionic liquids (IL) were able to degrade cellulose to majority glucose and epimerize glucose to mannose (in the case of the molybdenum oxide-based POM). A certain amount of glucose was also converted to HMF. The tungsten oxide-based POM in IL showed good activity for cellulose degradation but the overall products yield remained 28.6% lower than those obtained using CrCl3 as a catalyst. Lowering the cellulose loading did not significantly influence the results and the addition of water to the reaction medium decreased the product yields remarkably. View Full-Text
Keywords: biorefinery; platform chemicals; cellulose degradation; catalysis biorefinery; platform chemicals; cellulose degradation; catalysis
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MDPI and ACS Style

Aid, T.; Koel, M.; Lopp, M.; Vaher, M. Metal-Catalyzed Degradation of Cellulose in Ionic Liquid Media. Inorganics 2018, 6, 78.

AMA Style

Aid T, Koel M, Lopp M, Vaher M. Metal-Catalyzed Degradation of Cellulose in Ionic Liquid Media. Inorganics. 2018; 6(3):78.

Chicago/Turabian Style

Aid, Tiina, Mihkel Koel, Margus Lopp, and Merike Vaher. 2018. "Metal-Catalyzed Degradation of Cellulose in Ionic Liquid Media" Inorganics 6, no. 3: 78.

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