Standard

SAE 2009-01-0278

Apr 2009 Current

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Abstract

La 1-x A x Ni 1-y B y O 3 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 evaluated. The 2 wt.% Au-La 0.8 K 0.2 Ni 0.9 Cu 0.1 O 3 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.

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Standard from SAE International
Published: April 20 2009
Document type: IS
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Publisher: SAE International
Distributor: SAE International

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Abstract

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