Benign-by-design preparation of humin-based iron oxide catalytic nanocomposites

The current acid-catalyzed conversion of biomass feedstocks yields substantial quantities of undesired by-products called humins, for which applications are yet to be found. This work aims to provide a starting point for valorisation of humins via preparation of humin-based iron oxide catalytic nano...

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Published inGreen chemistry : an international journal and green chemistry resource : GC Vol. 19; no. 18; pp. 4423 - 4434
Main Authors Filiciotto, Layla, Balu, Alina M., Romero, Antonio A., Rodríguez-Castellón, Enrique, van der Waal, Jan C., Luque, Rafael
Format Journal Article
LanguageEnglish
Published 2017
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Summary:The current acid-catalyzed conversion of biomass feedstocks yields substantial quantities of undesired by-products called humins, for which applications are yet to be found. This work aims to provide a starting point for valorisation of humins via preparation of humin-based iron oxide catalytic nanocomposites from humins and thermally treated humins (foams) via solvent-free methodologies including ball milling and thermal degradation. The prepared materials were found to be active in the microwave-assisted selective oxidation of isoeugenol (conversions >87%) to vanillin, proving the feasibility to use humin by-products as template/composite materials.
ISSN:1463-9262
1463-9270
DOI:10.1039/C7GC01405H