Highly Effective Non-Noble MnO 2 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 MnO crystal str...

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Published inChemSusChem Vol. 17; no. 14; p. e202400115
Main Authors Álvarez-Hernández, Débora, Megías-Sayago, Cristina, Penkova, Anna, Centeno, Miguel Ángel, Ivanova, Svetlana
Format Journal Article
LanguageEnglish
Published Germany 22.07.2024
Subjects
MnO2
crystal structure
2,5-furandicarboxylic acid
5-hydroxymethylfurfural 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 MnO crystal structures is studied as alternative. The obtained results showed a strong connection between catalytic activity the type of MnO structure organization and redox behavior. Among all tested catalysts, ϵ-MnO showed the best performance with an excellent yield of 74 % of 2,5-furandicarboxylic acid at full -hydroxymethylfurfural conversion.
ISSN:1864-5631
1864-564X
DOI:10.1002/cssc.202400115