Driving the Selectivity of NOx Reduction to N2, NH3 or N2O during Lean/Rich Cycling of a Lean NOx Trap Catalyst

Partridge, William

Thursday, June 18, 2015: 11:00 AM

406 (Lawrence Convention Center)

Petr Koci¹, David Mracek¹, Adela Arvajova¹, Martin Leskovjan¹, Jae-Soon Choi², Josh A. Pihl², Todd J. Toops² and William Partridge², (1)Institute of Chemical Technology, Czech Republic, (2)Oak Ridge National Laboratory, USA.

This work clarifies pathways to formation of primary and secondary peaks of NO_x reduction products at lean/rich and rich/lean transitions. The results and proposed control strategies are relevant also to TWC and systems with in-situ NH₃ generation for SCR.

Extended Abstracts:

2015_NAM24_Pittsburgh_Abstract_LNT_v3x.pdf (342.3KB) - Extended Abstract

O-Th-406-8 Driving the Selectivity of NOx Reduction to N2, NH3 or N2O during Lean/Rich Cycling of a Lean NOx Trap Catalyst