Highly Effective Non‐Noble MnO2 Catalysts for 5‐Hydroxymethylfurfural Oxidation to 2,5‐Furandicarboxylic Acid

Noble metal‐free catalyst or catalytic oxidation of 5‐hydroxymethylfurfural into 2,5‐furandicarboxylic acid are proposed in this study as a proposal to solve one of the great disadvantages of this reaction of using preferably noble metal‐based catalysts. The catalytic activity of six MnO2 crystal st...

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Published in:ChemSusChem 2024-07, Vol.17 (14), p.e202400115-n/a
Main Authors: Álvarez‐Hernández, Débora, Megías‐Sayago, Cristina, Penkova, Anna, Centeno, Miguel Ángel, Ivanova, Svetlana
Format: Article
Language:English
Subjects:
2,5-furandicarboxylic acid
5-hydroxymethylfurfural oxidation
Catalysts
Catalytic activity
Catalytic converters
crystal structure
Hydroxymethylfurfural
Manganese dioxide
MnO2
Noble metals
Oxidation
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Summary:Noble metal‐free catalyst or catalytic oxidation of 5‐hydroxymethylfurfural into 2,5‐furandicarboxylic acid are proposed in this study as a proposal to solve one of the great disadvantages of this reaction of using preferably noble metal‐based catalysts. The catalytic activity of six MnO2 crystal structures is studied as alternative. The obtained results showed a strong connection between catalytic activity the type of MnO2 structure organization and redox behavior. Among all tested catalysts, ϵ‐MnO2 showed the best performance with an excellent yield of 74 % of 2,5‐furandicarboxylic acid at full ‐hydroxymethylfurfural conversion. Insert text for Table of Contents here. Use of transition metal oxide (MnO2) as an alternative to noble metal catalysts in the oxidation of 5‐hydroxymethylfurfural (HMF) into 2,5‐furandicarboxylic acid (FDCA). Evidence for structure and redox behavior dependence of the desired product yield.
ISSN:1864-5631
1864-564X
1864-564X
DOI:10.1002/cssc.202400115