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Content archived on 2024-05-24

Advanced heavy duty engine aftertreatment technology


Diesel engines are still significant contributors to air pollution, particularly with respect to NOx and particulate matter, which has damaging impacts on health and the environment. The EC has responded by introducing a stringent 3-stage emission reduction scheme, which poses a serious challenge to truck and bus engine manufactures. Additionally, consumers demand competitively priced, high quality, products. Although well established NOx reduction technology is available for gasoline engines, there is still no appropriate technology available for diesel engines. A high potential solution is the Selective Catalytic Reduction technology, which can achieve up to 95% efficiency, but which requires NH_3 dos- age as a catalyst agent. An external dosage system is not commercially viable. The AHEDAT Project aims to develop and validate a diesel engine after treatment system with self-sufficient NH3 generation.

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Hans-List-Platz 1
8020 GRAZ

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Participants (9)