The direct decomposition of nitrogen monoxide

被引：18

作者：

Curtin, T

Grange, P

Delmon, B

机构：

[1] Catalys. et Chim. des Mat. Divises, U.C.L., 1348 Louvain-la-Neuve

来源：

CATALYSIS TODAY | 1997年 / 35卷 / 1-2期

关键词：

zeolites; over-exchanged samples; oxidation state; heat treatment; copper;

D O I：

10.1016/S0920-5861(96)00138-1

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A series of copper-exchanged ZSM-5 samples of various copper contents were prepared. In freshly prepared Cu/ZSM-5, there is surface enrichment in copper, especially for the over-exchanged samples. This enrichment diminishes after heat treatments such as calcination or treatment in an inert gas. The oxidation state of copper can be easily altered. The introduction of nickel into over-exchanged Cu/ZSM-5 did not improve the activity. However, the activity of under-exchanged Cu/ZSM-5 slightly improved in the presence of the second metal.

引用

收藏

页码：121 / 127

页数：7

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