Conversion of D-glucose to 5-hydroxymethylfurfural using Al2O3-promoted sulphated tin oxide as catalyst

M. Lopes, K. Dussan, J. J. Leahy, V. T. da Silva

Research output: Contribution to journalArticlepeer-review

Abstract

Innovative catalysts to convert biomass carbohydrates in high value products are of an immense interest for the chemical industry and biorefineries. In this study, modified tin oxide (SnO2) catalysts were synthesised and submitted to H2SO4 treatment (SO4−2/SnO2) and alumina doping (SO4−2/Al2O3-SnO2) using different calcination temperatures. The effect of these modifications on the catalyst performance were investigated by examining the catalysts properties and activity for the conversion of glucose to 5-hydroxymethylfurfural. The incorporation of alumina in the sulphated tin oxide catalyst and the use of low calcination temperatures increased the specific surface area and the acidity of the catalyst. This enhanced the chemo-selectivity of the conversion of glucose to 5-hydroxymethylfurfural. This catalyst was recovered after reaction by solvent washing and re-calcination; however, the recovery procedures were insufficient to avoid a decay of the catalyst performance during subsequent runs.

Original languageEnglish
Pages (from-to)233-243
Number of pages11
JournalCatalysis Today
Volume279
DOIs
Publication statusPublished - 1 Jan 2017

Keywords

  • 5-Hydroxymethylfurfural
  • Biofuel
  • Dehydration
  • Glucose
  • Heterogeneous catalysts
  • Tin oxide

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