Journal
CATALYSIS LETTERS
Volume 151, Issue 4, Pages 921-931Publisher
SPRINGER
DOI: 10.1007/s10562-020-03361-2
Keywords
Nanoparticles; Zeolites; Encapsulation; Ultra low loading; HMF oxidation; High activity
Categories
Funding
- Indian Institute of Technology Kanpur, India
- Science and Engineering Research Board (SERB)
- Department of Science and Technology, India (DST)
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By encapsulating noble metal nanoparticles in zeolite nanocapsules, efficient oxidation of HMF was achieved with high yields of FDCA. The study revealed that MCM-22 loaded with gold nanoparticles exhibited the highest HMF conversion and FDCA yield.
We report the development of zeolite nanocapsules (MCM-22 and ZSM-5) encapsulating ultra-low amount (0.01 wt%) of noble metal nanoparticles (Gold, Platinum and Palladium) for the oxidation of HMF. These catalysts showed enhanced HMF conversion (> 95%) with higher yield (> 90%) of FDCA under mild conditions (60 degrees C, 0.3 MPa oxygen) in an organic solvent-free medium in 6 h. We also investigated the effect of size and amount of gold nanoparticles encapsulated inside zeolite capsules for the oxidation of HMF. We found that Au cluster loaded MCM-22 showed enhanced HMF conversion and yield of FDCA (91%).
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