DME as reductant for continuous lean reduction of NOx over ZSM-5 catalysts

被引：8
|
作者：
Tamm, Stefanie [1 ]
Ingelsten, Hanna H. [1 ]
Palmqvist, Anders E. C. [1 ]
机构：
[1] Chalmers, Competence Ctr Catalysis, Dept Chem & Biol Engn, S-41296 Gothenburg, Sweden
来源：
CATALYSIS LETTERS | 2008年 / 123卷 / 3-4期
关键词：
dimethyl ether; DME; NO(x) reduction; ZSM-5; NO(2); solid acid; zeolite;
D O I：
10.1007/s10562-008-9487-4
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：
Dimethyl ether (DME) is an interesting alternative fuel to diesel, but is not an efficient reductant in lean NO (x) conversion over typical diesel HC-SCR catalysts. Comparatively high deNO(x) activity was found over H-ZSM-5 in the presence of water, giving reduction of 28% NO and 37% NO(2) respectively with a DME/NO(x)-ratio of 4.
引用
收藏
页码：233 / 238
页数：6
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