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Tailoring the selectivity of glycerol oxidation by tuning the acid-base properties of Au catalysts

Villa, Alberto, Campisi, Sebastiano, Mohammed, Khaled M. H., Dimitratos, Nikolaos ORCID: https://orcid.org/0000-0002-6620-4335, Vindigni, Floriana, Manzoli, Maela, Jones, Wilm Vincent, Bowker, Michael ORCID: https://orcid.org/0000-0001-5075-1089, Hutchings, Graham John ORCID: https://orcid.org/0000-0001-8885-1560 and Prati, Laura 2015. Tailoring the selectivity of glycerol oxidation by tuning the acid-base properties of Au catalysts. Catalysis Science & Technology 5 , pp. 1126-1132. 10.1039/C4CY01246A

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Abstract

Supported gold nanoparticles are very effective catalysts for the selective oxidation of glycerol which represents an important bio-derived feedstock. In this paper we report that the acid/base properties, especially the acid site density, of these catalysts are the key factor in tuning the selectivity. A range of supported AuPt catalysts have been prepared by sol immobilization using acidic (H-mordenite, SiO2, MCM-41, and sulfated ZrO2) and basic (NiO and MgO) oxides as supports. In particular, using MCM-41 as the support, a high selectivity to glyceraldehyde, an important labile intermediate, was found.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Subjects: Q Science > QD Chemistry
Publisher: Royal Society of Chemistry
ISSN: 2044-4753
Funders: EPSRC
Date of First Compliant Deposit: 30 March 2016
Date of Acceptance: 17 October 2014
Last Modified: 14 Nov 2022 08:04
URI: https://orca.cardiff.ac.uk/id/eprint/67318

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