Selective oxidation of HMF to DFF using Ru/γ-alumina catalyst in moderate boiling solvents toward industrial production

Churchil A. Antonyraj, Jaewon Jeong, Bora Kim, Seunghan Shin, Sangyong Kim, Kwan Young Lee, Jin Ku Cho

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Selective oxidation of 5-hydroxymethyl-2-furfural (HMF) to 2,5-diformylfuran (DFF) toward industrial production was studied over Ru supported γ-alumina catalyst using molecular oxygen as an oxidant. From the solvents screening, considering recyclability after reaction, toluene was found to be the best solvent and gave maximum conversion of 99% with 97% DFF selectivity at 130°C and 40psi O2 pressure. Catalyst was washed with NaOH solution of pH=12 to remove the adsorbed polymer impurities and then reused up to 5 cycles. The product could be purified by simple evaporation of the solvent, which could add advantage for industrial process.

Original languageEnglish
Pages (from-to)1056-1059
Number of pages4
JournalJournal of Industrial and Engineering Chemistry
Issue number3
Publication statusPublished - 2013 May 25



  • γ-Alumina
  • 2,5-Diformylfuran (DFF)
  • 5-Hydroxymethyl-2-furfural (HMF)
  • Biomass
  • Ruthenium
  • Selective oxidation

ASJC Scopus subject areas

  • Chemical Engineering(all)

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