Selective catalytic reduction of nitrogen oxides with hydrocarbons over Zn-Al-Ga complex oxides

被引：14
|
作者：
Okimura, Y
Yokoi, H
Ohbayashi, K
Shimizu, K
Satsuma, A
Hattori, T
机构：
[1] NGK Spark Plug Co Ltd, Aichi 4858510, Japan
[2] Nagoya Univ, Dept Appl Chem, Grad Sch Engn, Chikusa Ku, Nagoya, Aichi 4648603, Japan
[3] Nagoya Univ, Res Ctr Adv Waste & Emiss Management, Chikusa Ku, Nagoya, Aichi 4648603, Japan
来源：
CATALYSIS LETTERS | 1998年 / 52卷 / 3-4期
关键词：
nitrogen oxide; selective reduction; hydrocarbon; spinel;
D O I：
10.1023/A:1019060512461
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：
Selective reduction of NO with hydrocarbons was studied using metal oxide catalysts having a spinel structure. A Zn-Al-Ga complex oxide was found to be very active and selective for the catalytic reduction of NO with both C3H6 and CH4. It was revealed that the role of oxygen at the initial stage of the reaction strongly depends on the reductants; oxygen is mainly used for NO oxidation to NO2 in the reduction with CH4, whereas it is used both for NO oxidation to NO2 and oxidation of C3H6 to an active intermediate in the reduction with C3H6.
引用
收藏
页码：157 / 161
页数：5
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