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The direct synthesis of Hydrogen Peroxide over supported Pd-based catalysts: an investigation into the role of the support and secondary metal modifiers

Richards, Thomas, Lewis, Richard J., Morgan, David J. and Hutchings, Graham J. 2022. The direct synthesis of Hydrogen Peroxide over supported Pd-based catalysts: an investigation into the role of the support and secondary metal modifiers. Catalysis Letters 10.1007/s10562-022-03967-8

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Abstract

The direct synthesis of H2O2 from molecular H2 and O2 over Pd-based catalysts, prepared via an industrially relevant, excess chloride co-impregnation procedure is investigated. Initial studies into the well-established PdAu system demonstrated the key role of Pd: Au ratio on catalytic activity, under conditions that have previously been found to be optimal for H2O2 formation. Further investigations using the optimal Pd: Au ratio identified the role of the catalyst support in controlling particle size and Pd oxidation state and thus catalytic performance. Subsequently, with an aim to replace Au with cheaper alternatives, the alloying of Pd with more abundant secondary metals is explored.

Item Type: Article
Date Type: Published Online
Status: In Press
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Publisher: Springer
ISSN: 1011-372X
Funders: Max Planck centre for Fundamental Heterogeneous Catalysis (FUNCAT)
Date of First Compliant Deposit: 9 March 2022
Date of Acceptance: 18 February 2022
Last Modified: 30 Apr 2022 16:06
URI: https://orca.cardiff.ac.uk/id/eprint/148199

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