Comparison of catalytic decomposition of dinitrogen oxide and nitrogen monoxide over Cu/ZSM-5 and Cu/Y zeolites

被引：14

作者：

Wang, J ^{[1
]}

Mizuno, N ^{[1
]}

Misono, M ^{[1
]}

机构：

[1] Univ Tokyo, Dept Appl Chem, Grad Sch Engn, Bunkyo Ku, Tokyo 113, Japan

来源：

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN | 1998年 / 71卷 / 04期

关键词：

D O I：

10.1246/bcsj.71.947

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A comparative study of NO and N2O decomposition over Cu/ZSM-5 and Cu/Y zeolites with various Cu loading levels has been carried out at 523-823 K. The Arrenhius plot of NO decomposition tended to level off above 773 K, as reported in the literature, while that of N2O decomposition was linear. It was noted that the reactivity of N2O decomposition rose much more sharply than that of NO decomposition with an increase in the level of the copper-ion exchange. The implications of these results on the reaction mechanism were discussed. In addition, the adsorption of NO on Cu/ZSM-5 and Cu/Y was measured by IR at 173-373 K and the results were compared with the catalytic decomposition results.

引用

页码：947 / 954

页数：8

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