Ceramic Catalyst Supports and Particulate Filters for Diesel Engine Exhaust Aftertreatment 982927

:The engine exhaust aftertreatment needs for diesel heavy duty vehicles and passenger cars will be reviewed.A short discussion on current engine based emission reduction technologies will lead to the description of after treatment technologies. The predominant technologies applied are oxidation catalysts for both passenger cars as well as heavy duty trucks and busses. The oxidation catalyst utilizes a large frontal area, flow-through ceramic substrate to remove the SOF, HC, and CO emissions. High efficiency particulate matter removal can be achieved with the use of ceramic diesel particulate filters.The properties and performance data of flow-through substrates as well as particulate traps will be discussed in the paper


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