Hydroxyapatite Supported Manganese Oxide as a Heterogeneous Catalyst for the Synthesis of 2, 5-Diformylfuran

Hong Chen*, Yingying Li, Linhao Yu, Sen Wang, Xueli Ma, Can Wang, Yongdan Li

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

Abstract

A series of hydroxyapatite (HAP) supports with different Ca/P ratios were synthesized to prepare the MnOx/HAP catalysts. A MnOx/HAP catalyst showed highly efficient conversion of 5-hydroxymethylfurfural (HMF) into 2, 5-diformylfuran (DFF) in toluene solvent under no-alkali condition. 86.4% conversion of HMF with 90.9% selectivity of DFF at 120 °C for 12 h under 1.0 MPa O2 over the MnOx/HAP-10.0-400 were obtained. The redox of Mn4+/Mn3+ improved the oxidation of 5-HMF to DFF by the lattice oxygen, and the lattice oxygen was replenished by adsorbing O2 molecules. The reusability tests were found the catalyst could be reused up to four cycles without notable loss of catalytic activity. The MnOx/HAP-10.0-400 was a stable and reusable material for further industrial exploration of DFF in an environmentally friendly way.

Original languageEnglish
Number of pages9
JournalCatalysis Letters
Early online date12 Feb 2022
DOIs
Publication statusE-pub ahead of print - 12 Feb 2022
MoE publication typeA1 Journal article-refereed

Keywords

  • 2, 5-Diformylfuran
  • 5-hydroxymethylfurfural
  • Base-free
  • Hydroxyapatite
  • Selective oxidation

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