Passive Ammonia SCR for Lean SIDI Engines: Experiments

Wei  Li, GM R&D Center

Wei Li, Kevin L. Perry, Kushal Narayanaswamy, Chang H. Kim, and Paul Najt

In this talk we present a new concept for lean NOx aftertreatment system for stratified SIDI engines.  This new concept offers significant cost advantage over the conventional LNT or urea SCR systems.  Steady state and transient dynamometer test results will be presented and the potential and limitations of this new concept will be discussed.

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