A combination of NOx trapping materials and Urea-SCR catalysts for use in the removal of NOx from mobile diesel engines

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Title: A combination of NOx trapping materials and Urea-SCR catalysts for use in the removal of NOx from mobile diesel engines
Authors: Sullivan, James A.
Keane, Orla
Permanent link: http://hdl.handle.net/10197/3991
Date: Jan-2007
Abstract: Preliminary studies on a series of nanocomposite BaO–Fe ZSM-5 materials have been carried out to determine the feasibility of combining NOx trapping and SCR-NH3 reactions to develop a system that might be applicable to reducing NOx emissions from diesel-powered vehicles. The materials are analysed for SCR-NH3 and SCR-urea reactivity, their NOx trapping and NH3 trapping capacities are probed using temperature programmed desorption (TPD) and the activities of the catalysts for promoting the NH3 ads + NO/O2 → N2 and NOx ads + NH3 → N2 reactions are studied using temperature programmed surface reaction (TPSR).
Type of material: Journal Article
Publisher: Elsevier
Journal: Applied Catalysis B: Environmental
Volume: 70
Issue: 1 - 4
Start page: 205
End page: 214
Copyright (published version): 2007 Elsevier B.V.
Keywords: NOxNH3SCRUreaBaO
DOI: 10.1016/j.apcatb.2005.11.025
Language: en
Status of Item: Peer reviewed
Appears in Collections:Chemistry Research Collection

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