Ilona van Zandvoort, Yuehu Wang, Carolus B. Rasrendra, Dr. Ernst R. H. van Eck, Dr. Pieter C. A. Bruijnincx, Prof. Dr. Hero J. Heeres and Prof. Dr. Bert M. Weckhuysen Formation, Molecular Structure, and Morphology of Humins in Biomass Conversion: Influence of Feedstock and Processing Conditions ChemSusChem 6
Under scrutiny: Humin byproducts formed during the acid-catalyzed dehydration of sugars are analyzed with multiple techniques to reveal a furan-rich network formed via hydroxymethylfurfural (see picture). Within this network, the aliphatic linkages and oxygen functionalities strongly depend on the feedstock. A representative model for the molecular structure of humins is proposed.
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