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Pivotal role of H2 in the isomerisation of isosorbide over a Ru/C catalyst

Hu, H., Ramzan, A., Wischert, R., Jerôme, F., Michel, C., de Olivera Vigier, K. and Pera-Titus, M. 2021. Pivotal role of H2 in the isomerisation of isosorbide over a Ru/C catalyst. Catalysis Science & Technology 11 (24) , pp. 7973-7981. 10.1039/D1CY01709H

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Abstract

Isosorbide isomerisation is a known reaction that can proceed over Ru and Ni-based heterogeneous catalysts. As a rule, an exogenous H2 pressure (40–100 bar) is required, even though H2 does not participate stoichiometrically in the reaction. By marrying experiments with DFT computations, we ascribe the role of H2 in isosorbide isomerisation to a coverage effect on the catalyst surface. We demonstrate the possibility of conducting the reaction at a low H2 pressure either in the presence of an inert gas to increase H2 solubility in an underlying solvent or using 2-propanol as a hydrogen donor. This might benefit the economy and safety of a potential industrial process.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Publisher: Royal Society of Chemistry
ISSN: 2044-4753
Date of Acceptance: 19 October 2021
Last Modified: 21 Mar 2022 13:30
URI: https://orca.cardiff.ac.uk/id/eprint/148281

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