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Selective hydrodeoxygenation of lignin-derived phenols to aromatics catalyzed by Nb2O5-supported iridium

21 April 2022, Version 1
Working Paper
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

Here we report the first heterogeneous iridium-based catalyst (Ir@Nb2O5) able to combine full conversion in hydrodeoxygenation (HDO) of lignin-derived phenols to hydrocarbons with appreciable selectivity for aromatics. With temperature and pressure optimization, and coking inhibition by selective removal of acid sites, the aromatic yields reach 69% under mild conditions.

Keywords

Iridium
Niobium oxide
Catalytic hydrodeoxygenation
biomass conversion
aromatic hydrocarbons

Supplementary materials

Title
Description
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Title
Supplementary information
Description
Procedures, detailed catalytic results, Spectroscopic data
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Version History

Apr 21, 2022 Version 1

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The content is available under CC BY NC ND 4.0 [opens in a new tab]

DOI

10.26434/chemrxiv-2022-hmbjr
D O I: 10.26434/chemrxiv-2022-hmbjr [opens in a new tab]

Funding

Norges Forskningsråd
255373

Author’s competing interest statement

The author(s) have declared they have no conflict of interest with regard to this content

Ethics

The author(s) have declared ethics committee/IRB approval is not relevant to this content

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