| 稳态实验考察经模拟道路老化的全配方稀燃Nox捕集催化剂上的Nox还原 |
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| 作者姓名： | Uschi GRAHAM Caio CESAR SPINDOLA DE OLIVEIRA Mark CROCKER |
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| 作者单位： | Center for Applied Energy Research;University of Kentucky; |
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| 基金项目： | supported by the U.S.Department of Energy(DOE)under award No.DE-EE0000205 |
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| 摘 要： |
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| 关 键 词： | 道路 配方 捕集 考察 老化 稀燃 模拟 实验 催化剂 稳态 |
NOx Reduction on Fully Formulated Lean NOx Trap Catalysts Subjected to Simulated Road Aging: Insights from Steady-State Experiments |
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| Uschi GRAHAM,Caio CESAR SPINDOLA DE OLIVEIRA,Mark CROCKER.NOx Reduction on Fully Formulated Lean NOx Trap Catalysts Subjected to Simulated Road Aging: Insights from Steady-State Experiments[J].Chinese Journal of Catalysis,2011,32(5):736-745. |
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| Authors: | Jin WANG Yaying JI Uschi GRAHAM Caio CESAR SPINDOLA DE OLIVEIRA Mark CROCKER |
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| Institution: | Jin WANG,Yaying JI,Uschi GRAHAM,Caio CESAR SPINDOLA DE OLIVEIRA,Mark CROCKER * Center for Applied Energy Research,University of Kentucky,Lexington,KY 40511,USA |
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| Abstract: | Fully formulated lean NOx trap(LNT)catalysts of the type Pt/Rh/BaO/Al2O3 were prepared with and without incorporation of CeO2-ZrO2 in the washcoat,and their NOx reduction behavior was evaluated in steady-state,continuous flow experiments.In the fresh state, the CeO2-ZrO2 addition was found to exert little effect on NOx reduction activity using H2,CO,and NH3 as the reductants.However,after simulated road aging,NOx reduction activity was significantly impaired for the CeO2-ZrO2-free catalyst,whereas the perfo... |
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| Keywords: | lean NOx trap NOx storage-reduction catalyst steady state NOx reduction ceria-zirconia catalyst aging |
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