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Sulphate-promoted alkane combustion has been investigated over a series of Pt/Al2O3 catalysts using pre-sulphated alumina supports. Catalyst sulphation greatly enhanced ethane combustion over Pt/Al2O3, and also improved methane and propane light-off performance. Catalyst activity increased with Pt loading, however the magnitude of sulphate promotion was independent of Pt loading under oxidising conditions,...
The adsorption and reaction of ethanol over Pt{111} has been investigated by Fast XPS and TPD. Ethanol adsorbs molecularly at 100 K, with a saturation coverage of 0.44 ML giving rise to C 1s components with binding energies of 283.7 eV (CH 3 -) and 284.8 eV (-H 2 COH). Ethanol multilayers desorb above 150 K, while ~60% of the monolayer desorbs intact above 200 K in competition with...
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