Platinum-containing three-way catalyst for close-coupled engine application
AssigneeBASF SE
InventorsKarifala Dumbuya, Thomas Schmitz, Chunxin Ji, Florian Waltz, Stephan Siemund
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Abstract
The present invention relates to three-way conversion catalysts (TWC) for the treatment of an exhaust gas stream comprising nitrogen oxides (NOx), carbon monoxide (CO), and hydrocarbons (HC), comprising platinum group metal (PGM), a refractory metal oxide support, and a carrier characterized in that the platinum group metal (PGM) comprises platinum, palladium and rhodium, as well as methods and uses thereof.
Claims15
A three-way conversion catalyst (TWC) for the treatment of an exhaust gas stream comprising nitrogen oxides (NOx), carbon monoxide (CO) and hydrocarbons (HC), comprising platinum group metal (PGM), a refractory metal oxide support, and a carrier characterized in that the platinum group metal (PGM) comprises platinum, palladium and rhodium.
Dependencies are inferred from the claim text.