Furfural Synthesis from d-Xylose in the Presence of Sodium Chloride: Microwave versus Conventional Heating

Christos Xiouras, Norbert Radacsi, Guido Sturm, Georgios D. Stefanidis*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We investigate the existence of specific/nonthermal microwave effects for the dehydration reaction of xylose to furfural in the presence of NaCl. Such effects are reported for sugars dehydration reactions in several literature reports. To this end, we adopted three approaches that compare microwave-assisted experiments with a) conventional heating experiments from the literature; b) simulated conventional heating experiments using microwave-irradiated silicon carbide (SiC) vials; and at c) different power levels but the same temperature by using forced cooling. No significant differences in the reaction kinetics are observed using any of these methods. However, microwave heating still proves advantageous as it requires 30 % less forward power compared to conventional heating (SiC vial) to achieve the same furfural yield at a laboratory scale.

Original languageEnglish
Pages (from-to)2159-2166
Number of pages8
JournalChemsuschem
Volume9
Issue number16
DOIs
Publication statusPublished - 23 Aug 2016

Keywords

  • furfural
  • microwave heating
  • nonthermal effects
  • sodium chloride
  • xylose dehydration

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