Low temperature selective oxidation of methane using gold-palladium colloids

McVicker, Rebecca, Agarwal, Nishtha, Freakley, Simon J., He, Qian ORCID: https://orcid.org/0000-0003-4891-3581, Althahban, Sultan, Taylor, Stuart H. ORCID: https://orcid.org/0000-0002-1933-4874, Kiely, Christopher. J. ORCID: https://orcid.org/0000-0001-5412-0970 and Hutchings, Graham J. ORCID: https://orcid.org/0000-0001-8885-1560 2020. Low temperature selective oxidation of methane using gold-palladium colloids. Catalysis Today 342 , pp. 32-38. 10.1016/j.cattod.2018.12.017

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Abstract

Methane upgrading into energy-dense liquid derivatives (such as methanol or mid-range hydrocarbons) is a highly desirable process to increase its utilisation. The selective oxidation of methane using hydrogen peroxide has been investigated using unsupported gold-palladium nanoparticles prepared using colloidal methods. The effect of the reaction conditions and the catalyst parameters have been systematically investigated. Poly(vinyl)pyrrolidone (PVP) stabilised Au-Pd colloids produce methyl hydroperoxide as the primary reaction product, which is subsequently converted to methanol with high oxygenate selectivity. The stability and re-use characteristics of the colloidal catalyst have also been assessed for methane oxidation with hydrogen peroxide.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry Cardiff Catalysis Institute (CCI)
Publisher:	Elsevier
ISSN:	0920-5861
Date of First Compliant Deposit:	17 December 2018
Date of Acceptance:	7 December 2018
Last Modified:	06 Nov 2024 05:45
URI:	https://orca.cardiff.ac.uk/id/eprint/117693

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