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In this paper we propose an effective global kinetic model that allows prediction of N2O and NH3 formation during the reduction of stored NOx 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...
We summarize results from an investigation of the spatiotemporal distribution of NO x storage and intermediate gas species in determining the performance of a fully formulated, Ba-based, lean NO x trap catalyst under lean/rich cycling conditions. By experimentally resolving spatiotemporal profiles of gas composition, we found that stored NO x was significantly redistributed...
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