Highly Effective Non‐Noble MnO<sub>2</sub> Catalysts for 5‐Hydroxymethylfurfural Oxidation to 2,5‐Furandicarboxylic Acid
Débora Álvarez‐Hernández, Cristina Megías‐Sayago, Anna Penkova, M.Á. Centeno, Svetlana Ivanova
Abstract
Abstract 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 2 crystal structures is studied as alternative. The obtained results showed a strong connection between catalytic activity the type of MnO 2 structure organization and redox behavior. Among all tested catalysts, ϵ‐MnO 2 showed the best performance with an excellent yield of 74 % of 2,5‐furandicarboxylic acid at full ‐hydroxymethylfurfural conversion.
Topics & Concepts
CatalysisNoble metal5-hydroxymethylfurfuralYield (engineering)ChemistryRedoxMetalHeterogeneous catalysisInorganic chemistryOrganic chemistryMaterials scienceMetallurgyPolyoxometalates: Synthesis and ApplicationsCatalysis for Biomass ConversionChemical Synthesis and Reactions