OB09 A Spatio-temporal Study of Lean NOx Trap Regeneration

Monday, June 6, 2011: 2:10 PM
Columbus Ballroom (Detroit Marriott Hotel at the Renaissance Center )
Vencon Easterling1, Mark Crocker1, Mark A. Dearth2, Robert W. McCabe2 and Michael P. Harold3, (1)Center for Applied Energy Research, University of Kentucky, Lexington, KY, (2)Chemical Engineering Department, Research and Innovation Center, Ford Motor Company, Dearborn, MI, (3)Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX
This study examines the influence of oxygen storage capacity (OSC) on the selectivity of NOx reduction in lean NOx trap catalysts. SpaciMS measurements were employed to provide insights into the effect of OSC on the evolution of intra-catalyst NH3 concentrations during LNT regeneration. 

Extended Abstracts: