La1-xAxNi1-yByO3 nanostructured perovskite-type oxides catalysts (where A = Na, K, Rb and B = Cu; x = 0, 0.2 and y = 0, 0.05, 0.1), also supporting 2% in weight of gold, were prepared via the so-called “Solution Combustion Synthesis (SCS)” method, and characterized by means of XRD, BET, FESEM-EDS and TEM analyses. The performance of these catalysts towards the simultaneous oxidation of soot and CO was evaluated. The 2 wt.% Au-La0.8K0.2Ni0.9Cu0.1O3 showed the best performance with a peak carbon combustion temperature of 367 °C and the half conversion of CO reached at 141 °C. The same nanostructured catalyst, deposited by in situ SCS directly over a SiC filter and tested on real diesel exhaust gases, fully confirmed the encouraging results obtained on the powder catalyst.
Mild Catalytic DPF Regeneration and Related CO Emissions in Commercial Vehicles
Sae Int. J. Commer. Veh
Commercial Vehicle Engineering Congress & Exhibition ; 2008
Sae International Journal of Commercial Vehicles ; 1 , 1 ; 338-346
07.10.2008
9 pages
Aufsatz (Konferenz)
Englisch
2008-01-2643 Mild Catalytic DPF Regeneration and Related CO Emissions in Commercial Vehicles
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