ChemInform Abstract: Kinetic and Infrared Spectroscopic Studies of Fe‐Y Zeolites for the Selective Catalytic Reduction of Nitric Oxide by Ammonia.

Abstract

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Nano Catalysts for Diesel Engine Emission Remediation

“…The persistent gradual loss in activity of Cu-and Fe-ZSM-5 led to a search for hydrothermally durable catalyst resulting in the discovery of Cu-SSZ-13 [18][19][20] [ Figure 1] as a NH 3 -SCR catalyst which is now commercially available. Despite extensive efforts to improve the catalyst performance at low temperatures, including the use of alternative zeolites such as Cu-FAU 21 and Fe-Y 22 , a catalyst that could effectively reduce NO x at 150ºC has remained elusive.…”