| 载体焙烧温度对稀燃天然气汽车尾气净化Pd/Zr0.5Al0.5O1.75催化剂性能的影响 |
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| 引用本文： | 王云,唐石云,龙恩艳,林之恩,龚茂初,陈耀强. 载体焙烧温度对稀燃天然气汽车尾气净化Pd/Zr0.5Al0.5O1.75催化剂性能的影响[J]. 催化学报, 2011, 32(2): 303-308. DOI: 10.3724/SP.J.1088.2011.00910 |
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| 作者姓名： | 王云 唐石云 龙恩艳 林之恩 龚茂初 陈耀强 |
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| 作者单位： | 四川大学化学学院绿色化学与技术教育部重点实验室; |
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| 基金项目： | 国家自然科学基金(20773090,20803049) |
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| 摘 要： | 以不同温度焙烧得到的Zr0.5Al0.5O1.75复合氧化物为载体,制备了系列1.5%Pd/Zr0.5Al0.5O1.75催化剂样品.采用N2吸附-脱附、X射线衍射、H2程序升温还原、O2程序升温脱附及CO化学吸附等手段对催化剂进行了表征,并测试了催化剂在模拟稀燃天然气汽车尾气中的活性和抗H2O中毒性能.结果表明,载体...
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| 关 键 词： | 锆 铝 复合氧化物 钯 负载型催化剂 稀燃天然气汽车 |
Influence of Support Calcination Temperature on the Performance of Pd/Zr0.5Al0.5O1.75 Catalyst Used in Lean-Burn Natural Gas Vehicles |
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| WANG Yun,TANG Shiyun,LONG Enyan,LIN Zhien,GONG Maochu,CHEN Yaoqiang. Influence of Support Calcination Temperature on the Performance of Pd/Zr0.5Al0.5O1.75 Catalyst Used in Lean-Burn Natural Gas Vehicles[J]. Chinese Journal of Catalysis, 2011, 32(2): 303-308. DOI: 10.3724/SP.J.1088.2011.00910 |
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| Authors: | WANG Yun TANG Shiyun LONG Enyan LIN Zhien GONG Maochu CHEN Yaoqiang |
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| Affiliation: | WANG Yun,TANG Shiyun,LONG Enyan,LIN Zhien,GONG Maochu,CHEN Yaoqiang Key Laboratory of Green Chemistry and Technology of the Ministry of Education,Sichuan University,Chengdu 610064,Sichuan,China |
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| Abstract: | The Zr0.5Al0.5O1.75 mixed oxide was prepared by coprecipitation method,and calcined at different temperatures and then used as a support to prepare a 1.5% Pd/Zr0.5Al0.5O1.75 catalyst. The catalyst activity and H2O resisting properties were evaluated in a mixed gas that simulated the exhaust of lean-burn natural gas fuelled vehicles(lean-burn NGVs) . The catalyst was further characterized by N2 adsorption-desorption,X-ray diffraction,H2 temperature-programmed reduction,O2 temperature-programmed desorption an... |
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| Keywords: | zirconium aluminium mixed oxide palladium supported catalyst lean-burn natural gas fuelled vehicle |
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