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The N 2 O decomposition mechanism on Rh/CeO 2 and Rh/γ-Al 2 O 3 catalysts has been studied by pulses of isotopic N 2 O and O 2 together with in situ DRIFT, XP and Raman spectroscopies. The higher catalytic activity of Rh/CeO 2 in comparison with Rh/γ-Al 2 O 3 is related to the Rh–CeO 2 interaction and to the participation...
Pt supported on CeO 2 and 10wt.% La 3+ -doped CeO 2 catalysts have been prepared, characterised and tested for soot oxidation by O 2 in TGA. The reaction mechanism has been studied in a TAP reactor with labelled O 2 . Isotopic oxygen exchange between molecular O 2 and ‘O’ on the support/catalyst was observed and soot oxidation is being carried out by...
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