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A New Generation of Diesel Oxidation Catalysts
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English
Abstract
An overview is given on the state of the art of a new catalytic exhaust gas aftertreatment device for diesel engines. The function of a precious metal based, flow-through type diesel oxidation catalyst is explained. Much attention is paid to the durability of the diesel oxidation catalyst and especially to the influence of poisoning elements on the catalytic activity. Detailed data on the interaction of poisoning elements such as sulfur, zinc and phosphorus with the catalytic active sites are given. Finally it is demonstrated that it is possible to meet the stringent emission standards for diesel passenger cars in Europe with a new catalyst generation over 80.000 km AMA aging.
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Citation
Beckmann, R., Engeler, W., Mueller, E., Engler, B. et al., "A New Generation of Diesel Oxidation Catalysts," SAE Technical Paper 922330, 1992, https://doi.org/10.4271/922330.Also In
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