Selective catalytic reduction of NO by ammonia over Fe-ZSM-5 catalysts

被引：145

作者：

Ma, AZ ^{[1
]}

Grünert, W ^{[1
]}

机构：

[1] Ruhr Univ Bochum, Lehrstuhl Tech Chem, D-44780 Bochum, Germany

来源：

CHEMICAL COMMUNICATIONS | 1999年 / 01期

关键词：

D O I：

10.1039/a807490i

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In the selective catalytic reduction (SCR) of NO by ammonia, over-exchanged Fe-ZSM-5 prepared by sublimation of FeCl3 into H-ZSM-5, shows superior catalytic activity and stability in a wide temperature range; its activity is promoted by the presence of water in the feed while SO2 is a weak poison at low but a promoter at high temperatures; its remarkable durability towards H2O and SO2 makes this zeolite catalyst a potential choice in Denox applications for stationary sources and heavy Diesel engines with ammonia or urea reductants.

引用

页码：71 / 72

页数：2

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