| Monolithic Catalysts with Low Noble-Metal Content for Exhaust Purification of Small Gasoline Engines |
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| 作者姓名： | 张丽娟 毛小波 陈耀强 钟俊波 王健礼 赵明 龚茂初 |
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| 作者单位： | College of Chemistry, Sichuan University, Chengdu 610064, China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China （20273043）, National Natural Key Foundation of China （20333032） |
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| 摘 要： | A series of low noble-metal coment monolithic catalysts for exhaust purification of small gasoline engines was investigated, and it was found that the Pt/Rh-OSM/Al2O3 （where OSM was oxygen storage material） catalyst with Ce0.5Zr0.5-MnOx（3%MnOx） OSM held low light-off temperature for CO, HC, and NO; quite wide three-way window, and outstanding thermal stability. The catalyst could efficiently comrol exhaust emission of small gasoline engines.
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| 关 键 词： | 光学性质 汽油 氧储存材料 稀土 |
| 文章编号： | 1002-0721（2007）04-0512-03 |
| 收稿时间： | 9 July 2006 |
| 修稿时间： | 2006-07-09 |
Monolithic Catalysts with Low Noble-Metal Content for Exhaust Purification of Small Gasoline Engines |
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| Zhang Lijuan,Mao Xiaobo,Chen Yaoqiang,Zhong Junbo,Wang Jianli,Zhao Ming,Gong Maochu.Monolithic Catalysts with Low Noble-Metal Content for Exhaust Purification of Small Gasoline Engines[J].Journal of Rare Earths,2007,25(4):512-514. |
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| Authors: | Zhang Lijuan Mao Xiaobo Chen Yaoqiang Zhong Junbo Wang Jianli Zhao Ming Gong Maochu |
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| Affiliation: | College of Chemistry, Sichuan University, Chengdu 610064, China |
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| Abstract: | A series of low noble-metal content monolithic catalysts for exhaust purification of small gasoline engines was investigated, and it was found that the Pt/Rh-OSM/Al2O3 (where OSM was oxygen storage material) catalyst with Ce0.5Zr0.5-MnOx(3%MnOx) OSM held low light-off temperature for CO, HC, and NO;quite wide three-way window, and outstanding thermal stability. The catalyst could efficiently control exhaust emission of small gasoline engines. |
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| Keywords: | small gasoline engines oxygen storage material (OSM) light-off temperature rare earths |
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