Selective catalytic reduction of NO by ammonia over Fe-ZSM-5 catalysts
- 1 January 1999
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 1,p. 71-72
- https://doi.org/10.1039/a807490i
Abstract
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.Keywords
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