From Lignocellulose to Sustainable Aviation Fuel: Innovative Synthesis through Friedel-Crafts Alkylation and Hydrodeoxygenation.

Authors

Hannes Latine, Dario Vangestel, Bruno Pandalone, Deepak Raikwar, Katelijne Lagae, Bert F Sels

Published in

Angewandte Chemie (International ed. in English). Pages e202514840. Oct 18, 2025. Epub Oct 18, 2025.

Abstract

To address the aviation sector's growing carbon footprint, this study presents a novel route for producing sustainable aviation fuel precursors via acid-catalyzed Friedel-Crafts alkylation of wood-derived lignin monomers with furfuryl alcohol. Using guaiacol as a model compound, key catalytic requirements were investigated in batch mode. Although heterogeneous zeolites showed initial promise, pore blocking by oligomerized furfuryl alcohol limited performance, leading to the selection of para-toluenesulfonic acid as an effective homogeneous catalyst. A fed-batch strategy was employed to suppress oligomerization by controlling furfuryl alcohol concentration. The resulting alkylated products, structurally aligned with conventional kerosene, were further upgraded via metal-catalyzed hydrodeoxygenation, achieving final overall yields up to 92 C%.

PMID:
41108636
Bibliographic data and abstract were imported from PubMed on 19 Oct 2025.

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