FIELD: chemistry.
SUBSTANCE: exhaust gas post-treatment system for a diesel vehicle comprises a NOx accumulation catalyst, downstream of which there is a catalysed soot filter, the soot filter having an oxidative catalyst containing platinum and palladium, with palladium enrichment in the mass ratio.
EFFECT: reduced emissions.
13 cl, 2 dwg
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Authors
Dates
2016-02-20—Published
2011-03-07—Filed