Direct catalytic transformation of carbohydrates into 5-ethoxymethylfurfural with acid–base bifunctional hybrid nanospheres

Hu Li, Santosh Govind Khokarale, Ramakrishna Kotni, Saravanamurugan Shunmugavel, Anders Riisager, Song Yang

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

A series of acid–base bifunctional hybrid nanospheres prepared from the self-assembly of basic amino acids and phosphotungstic acid (HPA) with different molar ratios were employed as efficient and recyclable catalysts for synthesis of liquid biofuel 5-ethoxymethylfurfural (EMF) from various carbohydrates. A high EMF yield of 76.6%, 58.5%, 42.4%, and 36.5% could be achieved, when fructose, inulin, sorbose, and
sucrose were used as starting materials, respectively. Although, the acid–base bifunctional nanocatalysts were inert for synthesis of EMF from glucose based carbohydrates, ethyl glucopyranoside in good yields could be obtained from glucose in ethanol. Moreover, the nanocatalyst functionalized with acid and basic sites was able to be reused several times with no significant loss in catalytic activity
Original languageEnglish
JournalEnergy Conversion and Management
Volume88
Pages (from-to)1245-1251
ISSN0196-8904
DOIs
Publication statusPublished - 2014

Keywords

  • Biofuel
  • Hybrid nanospheres
  • Heterogeneous catalysis
  • 5-Ethoxymethylfurfural
  • 5-Hydroxymethylfurfural
  • Acid–base bifunctional catalysts

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