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Influence of Al_2O_3/CeZrAl composition on the catalytic behavior of Pd/Rh catalyst 被引量：1

Influence of Al_2O_3/CeZrAl composition on the catalytic behavior of Pd/Rh catalyst
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摘要 Al2O3 and Ce-Zr mixed oxides are important components of the automobile three-way catalyst.Various contents modifying A12O3(GAL) was physically introduced into Ce-Zr-Al mixed oxides(CZA) to form series of GAL/CZA composition.The Pd/Rh catalyst samples were prepared by different GAL/CZA support loading Pd/Rh,then aged at 950 oC for 6 h.The catalytic behavior of different Pd/Rh catalyst samples was studied.Surface area,oxygen storage capacity(OSC) and H2 adsorption capacity(TPR) of fresh and aged samples were... Al2O3 and Ce-Zr mixed oxides are important components of the automobile three-way catalyst.Various contents modifying A12O3(GAL) was physically introduced into Ce-Zr-Al mixed oxides(CZA) to form series of GAL/CZA composition.The Pd/Rh catalyst samples were prepared by different GAL/CZA support loading Pd/Rh,then aged at 950 oC for 6 h.The catalytic behavior of different Pd/Rh catalyst samples was studied.Surface area,oxygen storage capacity(OSC) and H2 adsorption capacity(TPR) of fresh and aged samples were...
作者 贺小昆 孙加林 桓源峰 胡劲 杨冬霞
机构地区 Material and Metallurgy Engineering College Kunming Sino-Platinum Metals Catalyst Co.
出处 《Journal of Rare Earths》 SCIE EI CAS CSCD 2010年第1期59-63,共5页 稀土学报（英文版）
基金 supported by the National High Technology Research and Development Program (863) of China (2006AA03Z462)
关键词 ALUMINA rare earth oxides Pd/Rh catalyst automobile exhaust purification alumina rare earth oxides Pd/Rh catalyst automobile exhaust purification
分类号 O643.36 [理学—物理化学]
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参考文献14

  • 1Yue Baohua,,Zhou Renxian,Wang Yuejuan,Zheng Xiaoming.Effect of rare earths (La, Pr, Nd, Sm and Y) on the methane combustion over Pd/Ce-Zr/Al2O3 catalysts. Applied Catalysis . 2005
  • 2He H,Dai H X,Wong K W,Au C T.RE0.6Zr0.4-xYxO2 (RE=Ce, Pr, x=0, 0.05) solid solutions: an investigation on de- fect structure, oxygen mobility, oxygen storage capacity, and redox properties. Applied Catalysis . 2003
  • 3He H,Dai H X,Au C T.Defective structure, oxygen mobility, oxygen storage capacity, and redox properties of RE-based (RE=Ce, Pr) solid solutions. Catalysis Today . 2004
  • 4Fernández-García M,Martínez-Arias A,Iglesias-Juez A,Belver C,Hungr′-a A B,Conesa J C,Soria J.Structural characteristics and redox behavior of CeO2-ZrO2/Al2O3 supports. Journal of Catalysis . 2000
  • 5Kozlov Alexander I,Kim Do Heui,Yezerets Aleksey,Andersen Paul,Kung Harold H,Kung Mayfair C.Effect of preparation method and redox treatment on the reducibility and structure of supported Ceria-Zirconia mixed oxide. Journal of Catalysis . 2002
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Journal of Rare Earths
2010年 第1期

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