Catalytic performance of silver ion-exchanged saponite for the selective reduction of nitrogen monoxide in the presence of excess oxygen

被引：23

作者：

Sato, K

Fujimoto, T

Kanai, S

Kintaichi, Y

Inaba, M

Haneda, M

Hamada, H

机构：

[1] NATL INST MAT & CHEM RES,HIGASHI KU,TSUKUBA,IBARAKI 305,JAPAN

[2] COSMO RES INST,SATTE,SAITAMA 34001,JAPAN

来源：

APPLIED CATALYSIS B-ENVIRONMENTAL | 1997年 / 13卷 / 01期

关键词：

nitrogen monoxide; selective reduction; Ag-saponite; water vapor; hydrocarbons; oxygenated hydrocarbons;

D O I：

10.1016/S0926-3373(96)00091-4

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：

The catalytic activity of ion-exchanged saponites for NO reduction with hydrocarbons in the presence of oxygen was investigated. Silver ion-exchanged saponite (Ag-saponite) showed excellent catalytic activity for NO reduction with propene. The highest activity was obtained for Ag-saponite with a silver loading of 7-8 wt%, on which the addition of water vapor to the feed gas promoted NO reduction at temperatures below 400 degrees C. 2-Propanol and acetone served as more efficient reducing agents in the presence of water vapor.

引用

页码：27 / 33

页数：7

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