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Au-ZSM-5 catalyses the selective oxidation of CH4 to CH3OH and CH3COOH using O2

Qi, G; Davies, TE; Nasrallah, A; Sainna, MA; Howe, AGR; Lewis, RJ; Quesne, M; ... Hutchings, GJ; + view all (2022) Au-ZSM-5 catalyses the selective oxidation of CH4 to CH3OH and CH3COOH using O2. Nature Catalysis , 5 pp. 45-54. 10.1038/s41929-021-00725-8. Green open access

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Abstract

The oxidation of methane, the main component of natural gas, to selectively form oxygenated chemical feedstocks using molecular oxygen has been a long-standing grand challenge in catalysis. Here, using gold nanoparticles supported on the zeolite ZSM-5, we introduce a method to oxidize methane to methanol and acetic acid in water at temperatures between 120 and 240 °C using molecular oxygen in the absence of any added coreductant. Electron microscopy reveals that the catalyst does not contain gold atoms or clusters, but rather gold nanoparticles are the active component, while a mechanism involving surface adsorbed species is proposed in which methanol and acetic acid are formed via parallel pathways. [Figure not available: see fulltext.].

Type: Article
Title: Au-ZSM-5 catalyses the selective oxidation of CH4 to CH3OH and CH3COOH using O2
Open access status: An open access version is available from UCL Discovery
DOI: 10.1038/s41929-021-00725-8
Publisher version: https://doi.org/10.5507/bp.2012.089
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Chemistry
URI: https://discovery.ucl.ac.uk/id/eprint/10167323
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