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Structure matching mechanism of nRu/FeCo2O4 for highly-selective oxidation of HMF toward FDCA

  • 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*
  • *Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

5 Citations (Scopus)

Abstract

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.

Original languageEnglish
Article numbere18671
JournalAICHE Journal
Volume71
Issue number3
Early online date8 Dec 2024
DOIs
Publication statusPublished - Mar 2025

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 9 - Industry, Innovation, and Infrastructure
    SDG 9 Industry, Innovation, and Infrastructure

User-Defined Keywords

  • 2,5-furandicarboxylic acid
  • 5-hydroxymethylfurfural
  • bio-based chemicals
  • microstructured spinel
  • oxygenation reaction

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