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题名: The high-temperature durability of Rh-free threeway catalysts used for automobile emission control
作者: Li, SY;  Wu, CT;  Cheng, HW;  Li, HQ;  Li, BL
关键词: Rh-free three-way catalyst ;  purification of automobile exhaust ;  automotive catalyst ;  high-temperature durability of catalysts
刊名: REACTION KINETICS AND CATALYSIS LETTERS
发表日期: 1998-11-01
卷: 65, 期:2, 页:293-300
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: The high-temperature durability of cordierite honeycomb Rh-free three-way catalysts (TWC) containing additives has been studied by calcining catalysts at various temperatures in the interval of 600 similar to 1100 degrees C. The three-way performances of these catalysts were evaluated for the reaction of carbon monoxide(CO), hydrocarbon(HC) and nitrogen oxides(NOx) at given conditions by using a tired bed reactor. The results show that after Rh-free TWC are thermally aged in air at 1100 degrees C for 5 h and 950 degrees C for 104 h, the TWC still have better three-way activity compared with Rh-containing TWC.
关键词[WOS]: 3-WAY CATALYSTS ;  ALUMINA ;  STABILIZATION
语种: 英语
WOS记录号: WOS:000077523200014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138183
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Li, SY,Wu, CT,Cheng, HW,et al. The high-temperature durability of Rh-free threeway catalysts used for automobile emission control[J]. REACTION KINETICS AND CATALYSIS LETTERS,1998,65(2):293-300.
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