The direct synthesis of H2O2 and in situ oxidation of methane: An investigation into the role of the support

Ni, Fenglou, Lewis, Richard J., López-Martín, Ángeles, Smith, Louise R., Morgan, David J. ORCID: https://orcid.org/0000-0002-6571-5731, Davies, Thomas E., Taylor, Stuart H. ORCID: https://orcid.org/0000-0002-1933-4874 and Hutchings, Graham J. ORCID: https://orcid.org/0000-0001-8885-1560 2024. The direct synthesis of H2O2 and in situ oxidation of methane: An investigation into the role of the support. Catalysis Today 442 , 114910. 10.1016/j.cattod.2024.114910

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Abstract

The selective oxidation of methane to methanol, using H2O2 generated in situ from H2 and O2 has been investigated using bimetallic gold-palladium catalysts, prepared via an industrially relevant wet co-impregnation protocol on a range of zeolite and metal oxide supports. The choice of catalyst support was found to drastically influence catalyst performance, through control of both nanoparticle dispersion and Pd speciation. Notably in the case of those formulations prepared on metal oxides a direct correlation between catalytic performance towards H2O2 synthesis and methane valorisation exists, whereas in the case of the zeolitic-based analogues, no clear correlation could be drawn between activity towards individual reaction pathways.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Cardiff Catalysis Institute (CCI) Chemistry
Additional Information:	License information from Publisher: LICENSE 1: URL: http://creativecommons.org/licenses/by/4.0/, Start Date: 2024-07-01
Publisher:	Elsevier
ISSN:	0920-5861
Date of First Compliant Deposit:	4 July 2024
Date of Acceptance:	24 June 2024
Last Modified:	14 Nov 2024 08:52
URI:	https://orca.cardiff.ac.uk/id/eprint/170260

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