Green Chemistry p. 1610 - 1617 (2015)
Update date:2022-08-11
Topics:
Liu, Bing
Ren, Yongshen
Zhang, Zehui
In this study, Pd nanoparticles were immobilized on the core-shell structure C@Fe3O4 (carbon is the shell and Fe3O4 is the core) magnetic microspheres via in situ adsorption and reduction to generate the magnetically separable Pd/C@Fe3O4 catalyst. In this method, no excess reductant and capping reagents were required, and it is a clean, simple and green process for the preparation of the magnetic Pd nanocatalyst. The Pd/C@Fe3O4 catalyst showed high activity and extraordinary stability during the oxidation of biomass derived 5-hydroxymethylfurfural (HMF) into 2,5-furandicarboxylic acid (FDCA) under mild conditions. A study aimed at optimizing the reaction conditions such as reaction temperature, reaction solvent and base amount has been performed. Under optimal reaction conditions, HMF conversion of 98.4% and FDCA yield of 86.7% were achieved after 6 h at 80 °C. After reaction, the Pd/C@Fe3O4 catalyst could be easily recovered by an external magnet and reused without the loss of its activity. This journal is
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