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The direct synthesis of hydrogen peroxide using platinum-promoted gold-palladium catalysts

Edwards, Jennifer Kelly, Pritchard, James, Lu, Li, Piccinini, Marco, Shaw, Greg, Carley, Albert Frederick, Morgan, David John, Kiely, Christopher John and Hutchings, Graham John 2014. The direct synthesis of hydrogen peroxide using platinum-promoted gold-palladium catalysts. Angewandte Chemie - International Edition 53 (9) , pp. 2381-2384. 10.1002/anie.201308067

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Abstract

The direct synthesis of hydrogen peroxide offers a potentially green route to the production of this important commodity chemical. Early studies showed that Pd is a suitable catalyst, but recent work indicated that the addition of Au enhances the activity and selectivity significantly. The addition of a third metal using impregnation as a facile preparation method was thus investigated. The addition of a small amount of Pt to a CeO2-supported AuPd (weight ratio of 1:1) catalyst significantly enhanced the activity in the direct synthesis of H2O2 and decreased the non-desired over-hydrogenation and decomposition reactions. The addition of Pt to the AuPd nanoparticles influenced the surface composition, thus leading to the marked effects that were observed on the catalytic formation of hydrogen peroxide. In addition, an experimental approach that can help to identify the optimal nominal ternary alloy compositions for this reaction is demonstrated.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Cardiff Catalysis Institute (CCI)
Chemistry
Publisher: Wiley-Blackwell
ISSN: 1433-7851
Last Modified: 18 Mar 2019 21:37
URI: http://orca.cf.ac.uk/id/eprint/66615

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