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AssigneeBASF SE
InventorsManale Maalouf, Florian Waltz, Karifala Dumbuya, Marcus Hilgendorff, Markus Kinne, Thomas Schmitz
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The present invention relates to an exhaust gas treatment system for reducing ammonia emission from a gasoline engine comprising a three-way conversion catalyst (TWC) or a four-way conversion catalyst (FWC), further comprising an ammonia oxidation catalyst (AMOx) or a selective catalytic reduction catalyst (SCR), and a method of treating exhaust gas from a gasoline engine with an exhaust gas treatment system capable of removing ammonia.
An exhaust gas treatment system for reducing ammonia emission from a gasoline engine comprising a three-way conversion catalyst (TWC) or a four-way conversion catalyst (FWC) with a particulate filter characterized in that the exhaust gas treatment system comprises an ammonia abatement catalyst comprising a selective catalytic reduction catalyst (SCR) and/or an ammonia oxidation catalyst (AMOx).
Dependencies are inferred from the claim text.