铈锆复合氧化物催化剂的储放氧能力和高温稳定性

稀土, 2000, 21(5): 64-66. doi: 10.3969/j.issn.1004-0277.2000.05.019

铈锆复合氧化物催化剂的储放氧能力和高温稳定性

王振华 ^1, , 陆世鑫 ^2, , 贾积晓 ^3, , 张德源 ^4,

1.上海跃龙有色金属有限公司,上海,200949

2.上海跃龙有色金属有限公司,上海,200949

3.上海跃龙有色金属有限公司,上海,200949

4.上海跃龙有色金属有限公司,上海,200949

关键词：催化剂 , 氧化铈 , 氧化锆 , 尾气净化

Oxygen Storage Capacity and High Temperature Stability of Composite Ceria-Zirconia for Catalyst Preparation

介绍了用独特工艺制备的单一立方相铈锆复合氧化物的储放氧能力、高温稳定性、X射线衍射图谱和晶格常数以及净化CO、C3H6和NO的起燃温度,并与CeO2催化剂进行了比较.前者的催化性能比后者优越得多.

参考文献

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[2]	Rhone-Poulence Chemie .Cerium/zirconium mixed oxide catalysts having high/stable specific surface areas[P].US:5712218,1998.
[3]	Engelhard Corp .Catalyst composition containing oxygen storage compounds composition precursor and mixed cerium and zirconium[P].US:5898014,1999.
[4]	Yashima M et al.Application of an ion-packing model based an defect clusters to zirconia solid solutions:Ⅱ,applicability of vegard's law[J].Journal of the American Ceramic Society,1992,75(06):1550-1557.
[5]	Morris B C et al.Lattice parameter changes in the mixed-oxide system,Ce1-xLaxO2-x/2:a combined experimental and theoretical study[J].Journal of Materials Chemistry,1993,3(10):1007-1013.

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