Topic
Selective catalytic reduction
About: Selective catalytic reduction is a research topic. Over the lifetime, 10502 publications have been published within this topic receiving 226291 citations.
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TL;DR: A novel Ce-W mixed oxide catalyst prepared by homogeneous precipitation method presented nearly 100% NO(x) conversion in a wide temperature range from 250 to 425 °C for the selective catalytic reduction of NO( x) with NH(3) under an extremely high GHSV of 500,000 h(-1).
333 citations
TL;DR: In this paper, the poisoning effect of nano V2O5-WO3/TiO2 catalysts was investigated and the degree of poisoning effect for all the alkali metal doped catalysts is shown as follows: K> Na> Ca> Mg.
331 citations
TL;DR: In this paper, the V2O5-MoO3/TiO2 catalysts are considered and the presence of electronic interactions between the TiO2-supported V and Mo oxides is also apparent.
329 citations
TL;DR: In this paper, a family of catalysts that can effectively reduce NOx with methane in the presence of excess oxygen was discovered, and the reduction of nitric oxide was obtained at 400°C over a Co-ZSM-5 catalyst.
Abstract: We discovered a family of catalysts that can effectively reduce NOx with methane in the presence of excess oxygen This new catalytic chemistry offers an alternative means for controlling NOx emissions Complete reduction of nitric oxide was obtained at 400°C over a Co-ZSM-5 catalyst The presence of oxygen in the feed greatly enhances the nitric oxide reduction activity on Co-ZSM-5, and the nitric oxide conversion is strongly related to the inlet methane level On the other hand, Cu-ZSM-5, which is a unique catalyst for the direct nitric oxide decomposition, is a poor catalyst for nitric oxide reduction by methane in the presence of excess of oxygen
327 citations
TL;DR: In this paper, a review of selective catalytic reduction of nitrogen oxides with hydrocarbons (HC-SCR) over zeolite catalysts, mainly from the viewpoint of their potential for a practical application in exhaust gases from lean-burn engines, is presented.
326 citations