Effect of Pt and Ba content on NO x Storage and Reduction Over Pt/Ba/Al2O3 |
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| Authors: | Yoshinori Saito Kenichi Shimizu Takeshi Nobukawa Atsuhshi Satsuma |
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| Affiliation: | 1. Graduate School of Engineering, Nagoya University, Nagoya, 464-0814, Japan
2. Toyota Motor Corporation, Toyota, 471-8572, Japan
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| Abstract: | Effects of Pt and Ba content of Pt/Ba/Al2O3 on NO x storage reduction (NSR) catalyst were investigated by means of kinetic analysis of surface nitrates using in situ FT/IR. Turnover frequencies of both storage and reduction of nitrate were significantly enhanced at higher Ba content, while those were higher at lower Pt content below 0.2 wt%. |
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