5-Hydroxymethylfurfural (HMF) was catalytically converted in bench scale flow reactors to oxidized and reduced derivatives, including 2,5-furandimethanol (FDM), 2,5-tetrahydrofurandimethanol (THFDM), 2,5-furandicarboxylic acid (FDCA), and 2,5-diformylfuran (DFF). Four different oxidized products were formed depending on oxidant, pH, and catalyst. Basic solutions provided high yields and selectivities to FDCA, fast rates, and good product solubilities. Over 95% yields were attainable using Pt/C at 100°C, with air oxidant, and Na2CO3 as base. Reactions in neutral solutions were slower and products adsorbed on the catalyst. The most successful catalysts for FDCA synthesis in neutral solution used inorganic supports with low surface areas. Pt/ZrO2 air-oxidized HMF in water to FDCA in over 95% yield, but only when the HMF feed concentration was low (
Revised: September 14, 2010 |
Published: September 1, 2010
Citation
Lilga M.A., R.T. Hallen, and M.J. Gray. 2010.Production of Oxidized Derivatives of 5-Hydroxymethylfurfural (HMF).Topics in Catalysis 53, no. 15-18:1264-1269. PNWD-SA-8796.