In Situ FT-IR Study of Diesel Hydrocarbon Oxidation Over Pt/AlO Catalyst.

The catalytic performance of Pt/AlO for the total oxidation of a hydrocarbon mixture of n-decane and 1-methylnaphthalene was investigated by using in situ FT-IR spectroscopy. Although carbonate and/or carboxylate species were mainly detected under steady-state conditions, the formation of an acrylate species during the initial stage of the reaction was observed under transient conditions. Based on a comparison of the reaction and formation behavior of the acrylate species and CO as a gaseous product, it was proposed that the total oxidation of the hydrocarbon mixture proceeds via the formation of an acrylate species as a reaction intermediate. Graphical Abstract: [Figure not available: see fulltext.] [ABSTRACT FROM AUTHOR]