Marked difference in activity of alumina catalysts for selective catalytic reduction of nitrogen monoxide by ethene in excess oxygen

被引：20

作者：

Okazaki, N ^{[1
]}

Shiina, Y

Itoh, H

Tada, A

Iwamoto, M

机构：

[1] Kitami Inst Technol, Dept Appl & Environm Chem, Kitami, Hokkaido 090, Japan

[2] Kitami Inst Technol, Dept Mat Sci, Kitami, Hokkaido 090, Japan

[3] Hokkaido Univ, Ctr Catalysis Res, Sapporo, Hokkaido 060, Japan

来源：

CATALYSIS LETTERS | 1997年 / 49卷 / 3-4期

关键词：

selective catalytic reduction; nitrogen oxide; nitrogen dioxide; hydrocarbons; Al2O3; oxidation of nitrogen oxide to nitrogen dioxide;

D O I：

10.1023/A:1019030027115

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Alumina is well-known as an effective catalyst for the title reaction. The present study revealed that the activity of an alumina catalyst for the reaction largely depended on its type. A critical factor affecting the activity of an alumina was neither the surface area nor pore structure, but the purity; the higher the purity, the higher the activity. Active alumina catalysts showed high activity for both the oxidation of NO to NO2 and the reduction of NO2 by ethene.

引用

页码：169 / 174

页数：6

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