Use of a catalyst for the decrease of the particle quantity and/or - size in the Diesel exhaust gas

文件类型：PDF文档
文件大小：284K
In the reduction of at least one of the quantity and size of particulates in the exhaust of a diesel engine, wherein said exhaust is contacted with a catalyst, the improvement wherein the catalyst comprises a combination of a zeolite having acidic properties and at least one oxide of a transition metal or rare earth. SO2 in the exhaust gas is not oxidized to sulfates.