Effective Model for Prediction of N2O and NH3 Formation During the Regeneration of NO x Storage Catalyst |
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| Authors: | Petr Kočí Šárka Bártová David Mráček Miloš Marek Jae-Soon Choi Mi-Young Kim Josh A. Pihl William P. Partridge |
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| Affiliation: | 1. Department of Chemical Engineering, Institute of Chemical Technology, Technická 5, 16628, Prague, Czech Republic
2. Fuels, Engines & Emissions Research Center, Oak Ridge National Laboratory, 2360 Cherahala Blvd, Knoxville, TN, 37932, USA
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| Abstract: | In this paper we propose an effective global kinetic model that allows prediction of N2O and NH3 formation during the reduction of stored NO x in dependence on the composition of the rich mixture (H2/CO/C3H6), actual operating temperature, and length of regeneration period. A bench flow reactor equipped with a high-speed FTIR was used to measure dynamic evolution of gas components during periodic lean/rich operation of a fully formulated NSRC catalyst (PtPdRh/Ba/Ce–Zr/Mg–Al/Al2O3). |
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