Emission Control: NOx Traps

Wednesday, June 5, 2013: 3:40 PM-5:20 PM

Combs Chandler (Galt House Hotel)

Louise Olsson, Chalmers University of Technology, Sweden and Enrico Tronconi, Politecnico di Milano, Italy.

3:40 PM

Isocyanate Formation and Reactivity on a Ba-based LNT Catalyst Studied by DRIFTS and Mass Spectrometry
Yaying Ji¹, Todd J. Toops² and Mark Crocker¹, (1)University of Kentucky, USA, (2)Oak Ridge National Laboratory, USA.

4:00 PM

Advantages of MgAlO_x Over Al₂O₃ as a Support Material for Potassium-based High Temperature Lean NO_x Traps
Jinyong Luo^1,2, Feng Gao² and Charles H. F. Peden², (1)Cummins Inc., USA, (2)Pacific Northwest National Laboratory, USA.

4:20 PM

New Insights on N₂O Formation Pathways during Lean/Rich Cycling of a Commercial Lean NO_xTrap Catalyst
Sarka Bartova¹, Petr Koci¹, Milos Marek¹, Josh A. Pihl², Jae-Soon Choi², Todd J. Toops² and William P. Partridge Jr.², (1)Institute of Chemical Technology, Czech Republic, (2)Oak Ridge National Laboratory, USA.

4:40 PM

The Influence of CO₂ and H₂O on the Storage Performances of LNT Catalysts Studied By FT-IR and Pulse Reactor Experiments
Luca Lietti¹, Sara Morandi², Lidia Castoldi¹, Pio Forzatti¹, Giovanna Ghiotti² and Marco Daturi³, (1)Politecnico di Milano, Italy, (2)Università di Torino, Italy, (3)University de Caen/ENSICAEN/CNRS, France.

5:00 PM

Understanding NH₃ Formation over Lean NOx Trap (LNT) Catalysts: Effects of Lean/Rich Cycle Timing and Temperature
Christopher D. DiGiulio¹, Josh A. Pihl², Todd J. Toops², Jae-Soon Choi², Michael J. Lance², James E. Parks II² and Michael D. Amiridis¹, (1)University of South Carolina, USA, (2)Oak Ridge National Laboratory, USA.