1996-10-01

Experimental and Modeling Investigations of NOx Trap Performance 962051

This paper summarizes some of the research which has been carried out at Ford Motor Co. in the area of NOx traps. Results from a large body of experimental work are reviewed and used to provide insight into the fundamental processes which govern NOx trap performance. In particular, the key parameters which control thermal durability and sulfur poisoning of the NOx trap are discussed in detail. In addition, a theoretical model of the NOx trap is described and used in the analysis and interpretation of the experimental results.

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