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Issue 6, 2016
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Base-free aerobic oxidation of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid over a Pt/C–O–Mg catalyst

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Abstract

Base-free aerobic oxidation of 5-hydroxymethylfurfural (HMF) to 2,5-furandicarboxylic acid (FDCA) was realized successfully based on the design of a novel Pt/C–O–Mg catalyst. The properties of this catalyst were characterized using TEM, XRD, XPS and temperature-programmed desorption of CO2. The catalyst had excellent activity and stability, the yield of FDCA reached 97% under optimal conditions (110 °C, O2 1.0 MPa) and the catalyst was used ten times with little loss of activity. The excellent activity and stability may come from the formation of a C–O–Mg bond, which created new, strong and stable basic sites. Further scaling up the reaction by 20 times, the yield of isolated FDCA reached 74.9% with very high purity (99.5%). This FDCA would be used as a substitute of the polymerization monomer for polyethylene terephthalate plastic (PET) synthesis after purification.

Graphical abstract: Base-free aerobic oxidation of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid over a Pt/C–O–Mg catalyst

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Article information


Submitted
08 Sep 2015
Accepted
12 Oct 2015
First published
06 Nov 2015

Green Chem., 2016,18, 1597-1604
Article type
Paper
Author version available

Base-free aerobic oxidation of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid over a Pt/C–O–Mg catalyst

X. Han, L. Geng, Y. Guo, R. Jia, X. Liu, Y. Zhang and Y. Wang, Green Chem., 2016, 18, 1597
DOI: 10.1039/C5GC02114F

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