Journal
ACS APPLIED NANO MATERIALS
Volume 4, Issue 12, Pages 14047-14059Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsanm.1c03361
Keywords
selective oxidation; ion-exchanged zeolite; hierarchical ZSM-5; HMF; FDCA
Funding
- Vidyasirimedhi Institute of Science and Technology (VISTEC)
- Nanocatalysts and Nanomaterials for Sustainable Energy and Environment Research Network (RNN) NANOTEC
- National Research Council of Thailand [NRCT5-RSA63025-03]
- Thailand Science Research and Innovation (TSRI) [FRB650023/0457]
- Energy Conservation and Promotion Fund Office (ENCON Fund) [64-03-0003]
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A method for the selective oxidation of HMF to FDCA and its derivatives was achieved using highly dispersed Pt nanoparticles supported on alkaline-exchanged hierarchical ZSM-5 nanoparticles. By conducting the reaction in a base-free aqueous-phase system, a high HMF conversion rate of 100% and FDCA selectivity of 80% were achieved.
5-Hydroxymethylfurfural (HMF) is considered as a valuable platform chemical derived from abundant sugars in a plant-based biomass. One of the most precious chemicals, which can be derived from HMF, is 2,5-furandicarboxylic acid (FDCA), which is a renewable substituent for petroleum-based terephthalic acid. Herein, the selective oxidation of HMF to FDCA and its derivatives has been accomplished using highly dispersed Pt nanoparticles supported on alkaline-exchanged hierarchical ZSM-5 nanoparticles under mild conditions (110 degrees C and 2.0 MPa of air) in a base-free aqueous-phase system. Interestingly, a high HMF conversion (100%) with 80% of FDCA selectivity was achieved. The synergetic effect of highly dispersed Pt nanoparticles and an alkaline-exchanged framework plays a key role, wherein they act as active oxidative sites for this multi-oxidation reaction. These findings open up prospects for the development of zeolite-based catalysts for the conversion of HMF to high value-added FDCA and its derivatives in a base-free aqueous system.
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