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Effects for Coexistent Reductant to NOx Adsorption and Desorption of the NOx Storage Catalyst
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공존 환원제가 NOx 흡장촉매의 NOx 흡ㆍ탈착에 미치는 영향

논문 기본 정보

Type
Academic journal
Author
Journal
The Korean Society Of Automotive Engineers Transaction of the Korean Society of Automotive Engineers Vol.13 No.5 KCI Accredited Journals SCOPUS
Published
2005.9
Pages
181 - 187 (7page)

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Effects for Coexistent Reductant to NOx Adsorption and Desorption of the NOx Storage Catalyst
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Research history (2)

2005

Effects for Coexistent Reductant to NOx Adsorption and Desorption of the NOx Storage Catalyst
Choonhee Lee ,  Byungchul Choi Transaction of the Korean Society of Automotive Engineers 2005.09 Academic journal

2004

NOx Adsorption and Desorption Behavior of NOx Storage Catalyst within Lean Air/Fuel Conditions
Choon-Hee Lee ,  Byung-Chul Choi 한국자동차공학회 춘 추계 학술대회 논문집 2004.10 Proceeding
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Abstract· Keywords

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The behavior of NOx adsorption and desorption of the NOx storage catalyst supported on Ba additive were studied by the TPA/TPD experiments and reactivity tests. Applying the transient responses and NOx TPA/TPD test by CLD were effective methods to analyze the characteristics of the NOx storage catalyst. NOx variation of the NOx storage catalyst in the lean air/fuel conditions according to temperature was dominated by NOx adsorption and desorption rather than catalytic reduction. The presence of reductants in the lean mixture promoted the NOx desorption at the 500℃ higher temperature. The temperatures for maximum NOx conversion with CH4 and C₃H_6 as a rich spike reductant appear around 500℃ and 400℃ respectively.

Contents

Abstract

1. 서 론

2. 실험장치 및 실험방법

3. 실험결과 및 고찰

4. 결 론

후 기

References

References (12)

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, 1995. , Development of New Concept Three-way Catalyst for Automotive Lean-burn Engines google schola , 1996. , The New Concept 3-way Catalyst for Automotive Lean-burn Engine 27 : 63 ~ 69 google schola , 200 , NOx-trap Catalyst Development for Mitsubishi 1.8 L GDI Applications google schola , 2003. , Sulfur Deactivation of NOx Storage Catalyst Influence of Exposure Conditions and Noble Metal J. of Catalysis 217 : 253 ~ 263 google schola , 2004. , The Effects of Aging Temperature and Air-fuel Ratio on the NOx Storage Capacity of a Lean NOx Trap google schola

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