Qiong-Yu Wang, Yucheng Zhu, Run Jiang, Gan He, Jun Zhao, Jun Hu, Tao Liu, Honghai Liu, Siew-Leng Loo, Zhong Chen, Jie-Xin Wang, Zhiyan Pan, Xiaonian Li, Dapeng Cao, Zhong-Ting Hu
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Structure matching mechanism of nRu/FeCo2O4 for highly-selective oxidation of HMF toward FDCA
The selective oxidation of 5-hydroxymethylfurfural (HMF) toward 2,5-furandicarboxylic acid (FDCA) offers a promising green pathway to obtain monomers for the synthesis of biodegradable plastics. However, developing a high-selectivity catalyst and understanding the catalytic mechanism are still great challenge. Here, we synthesize a nRu/FeCo2O4 catalyst with Ru nanoparticles loaded on FeCo2O4. The nRu/FeCo2O4 presents excellent HMF oxidation activity with 100% HMF conversion efficiency and 99% FDCA yield under optimized conditions. Density-functional theory calculations further reveal the structure matching mechanism of nRu/FeCo2O4 for high-selective oxidation of HMF toward FDCA, that is, Ru loading in FeCo2O4 provides a more suitable structure matching configuration for adsorption of two-side chains in HMF, which could optimize the adsorption energy and thus increase reactivity. In short, this work provides a promising structure matching strategy for designing dual-active-site relay catalyst to oxidize -CHO and C-OH groups in HMF and thus achieve highly-selective oxidation of HMF toward FDCA.
期刊介绍：
The AIChE Journal is the premier research monthly in chemical engineering and related fields. This peer-reviewed and broad-based journal reports on the most important and latest technological advances in core areas of chemical engineering as well as in other relevant engineering disciplines. To keep abreast with the progressive outlook of the profession, the Journal has been expanding the scope of its editorial contents to include such fast developing areas as biotechnology, electrochemical engineering, and environmental engineering.
The AIChE Journal is indeed the global communications vehicle for the world-renowned researchers to exchange top-notch research findings with one another. Subscribing to the AIChE Journal is like having immediate access to nine topical journals in the field.
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