Davies, Dafydd, Golunski, Stanislaw ![]() ![]() |
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Abstract
Support wettability can play a key role in directing the activation of oxygen during catalytic wet air oxidation over nano-particle catalysts. When the nano-particles are comprised of metallic Pt, the optimum support is hydrophobic, but when they are ionic Ru, a hydrophilic support is more effective. This reversal in support effect is consistent with two distinct surface pathways: one in which gas-phase O2 is directly adsorbed on the Pt0 surface; the other in which dissolved O2 is activated on RuO2 immersed in the contaminated aqueous phase. The known effects of ceria on both catalysts are of secondary importance to support wettability
Item Type: | Article |
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Date Type: | Published Online |
Status: | Published |
Schools: | Cardiff Catalysis Institute (CCI) Chemistry |
Publisher: | American Chemical Society |
ISSN: | 2155-5435 |
Funders: | Johnson Matthey and Cardiff University |
Date of First Compliant Deposit: | 26 February 2018 |
Date of Acceptance: | 22 February 2018 |
Last Modified: | 07 Nov 2023 16:59 |
URI: | https://orca.cardiff.ac.uk/id/eprint/109460 |
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