OC19 A Non-NH3 Pathway for NOx Conversion in Coupled LNT-SCR Systems

Tuesday, June 7, 2011: 10:20 AM
Cartier Ballroom (Detroit Marriott Hotel at the Renaissance Center )
Mark A. Dearth1, Giovanni Cavataio2, Lifeng Xu1, Hungwen Jen1, Robert W. McCabe1, Mark Crocker3, Jin Wang3, Yaying Ji3 and Lisa He3, (1)Chemical Engineering Department, Research and Innovation Center, Ford Motor Company, Dearborn, MI, (2)Research and Innovation Center, Ford Motor Company, Dearborn, MI, (3)Center for Applied Energy Research, University of Kentucky, Lexington, KY
In addition to the NH3 route for NOx conversion in LNT-SCR systems, a second pathway can operate in the (Cu-zeolite) SCR catalyst which is associated with the presence of hydrocarbons. In this paper we present our efforts to characterize this NOx conversion pathway. 

Extended Abstracts: