SCR NOX EMISSION CONTROL SYSTEM WITH REDUCED SO3 GENERATION AND IMPROVED LIFE

摘要

The present invention relates to an emission control system for reducing gases from the outlet of an engine. In at least one embodiment, the exhaust gas purification system comprises an exhaust duct to transport the exhaust gas from the engine, an SCR catalyst arranged within the duct and an oxidation catalyst which is arranged in the duct upstream of the SCR catalyst, the oxidation catalyst comprising metal, and at least Contains 90% by weight of the metal palladium (Pd).