Issue 10, 2016
From the journal:

Catalysis Science & Technology

The effect of Cu and Fe cations on NH3-supported proton transport in DeNOx-SCR zeolite catalysts†

Peirong Chen,*ab   Dieter Rauch,cd   Philipp Weide,e   Simon Schönebaum,ab   Thomas Simons,ab   Martin Muhler,e   Ralf Mooscd  and  Ulrich Simon*ab  

* Corresponding authors

a Institute of Inorganic Chemistry (IAC), RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany

b Center for Automotive Catalytic Systems Aachen (ACA), RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
E-mail: peirong.chen@ac.rwth-aachen.de, ulrich.simon@ac.rwth-aachen.de

c Department of Functional Materials, Bayreuth Engine Research Center (BERC), University of Bayreuth, Universitätsstraße 30, 95440 Bayreuth, Germany

d Zentrum für Energietechnik (ZET), University of Bayreuth, Universitätsstraße 30, 95440 Bayreuth, Germany

e Laboratory of Industrial Chemistry, Ruhr-University Bochum, Universitätsstraße 150, 44801 Bochum, Germany

Abstract

Proton transport studies revealed the different influence of Fe and Cu cations on the NH3–zeolite interaction and the NO–zeolite interaction in the presence of adsorbed NH3. At low temperatures, after NH3 saturation, Cu-ZSM-5 is more reactive than Fe-ZSM-5 for NO activation forming highly mobile NH4+ intermediates.

Graphical abstract: The effect of Cu and Fe cations on NH3-supported proton transport in DeNOx-SCR zeolite catalysts

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Article information

DOI
https://doi.org/10.1039/C6CY00452K
Article type
Communication
Submitted
29 Feb 2016
Accepted
19 Apr 2016
First published
20 Apr 2016

Catal. Sci. Technol., 2016,6, 3362-3366

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The effect of Cu and Fe cations on NH3-supported proton transport in DeNOx-SCR zeolite catalysts

P. Chen, D. Rauch, P. Weide, S. Schönebaum, T. Simons, M. Muhler, R. Moos and U. Simon, Catal. Sci. Technol., 2016, 6, 3362 DOI: 10.1039/C6CY00452K

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