Bifunctional Lewis and Brønsted acidic zeolites permit the continuous production of bio-renewable furanic ethers

Padovan, D., Al-Nayili, A. and Hammond, C. ORCID: https://orcid.org/0000-0002-9168-7674 2017. Bifunctional Lewis and Brønsted acidic zeolites permit the continuous production of bio-renewable furanic ethers. Green Chemistry 19 (12) , pp. 2846-2854. 10.1039/C7GC00160F

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Abstract

The catalytic valorisation of bio-renewable feedstock often relies upon multi-stage processing of highly-functionalised substrates, resulting in selectivity and processs engineering challenges. Herein, we demonstrate that a bifunctional zeolitic material, containing both Lewis and Brønsted acid sites in a single catalytic material, permits the continuous production of bio-renewable furanic ethers, such as (butoxy)methyl furan, which possess potential as fuel additives. In contrast to mono-functional catalysts and physical mixtures thereof, the bifunctional Sn- and Al-containing BEA zeolite results in uniquely-high levels of activity, selectivity and stability. Optimal results were obtained over a bifunctional catalyst containing 2 wt.% Sn and 0.5 wt.% Al, prepared by modified solid state incorporation, which was highly selective (> 75 %) to the deisred ether for over 107 h on stream, and for over 3000 substrate turnovers.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry Cardiff Catalysis Institute (CCI)
Subjects:	Q Science > QD Chemistry
Publisher:	Royal Society of Chemistry
ISSN:	1463-9262
Funders:	The Royal Society
Date of First Compliant Deposit:	19 April 2017
Date of Acceptance:	18 April 2017
Last Modified:	14 Nov 2024 15:30
URI:	https://orca.cardiff.ac.uk/id/eprint/99938

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