Issue 19, 2007
From the journal:

Chemical Communications

Co2+/Co0 redox couple revealed by EPR spectroscopy triggers preferential coordination of reactants during SCR of NOx with propene over cobalt-exchanged zeolites†

Piotr Pietrzyk*a  and  Zbigniew Sojkaab  

* Corresponding authors

a Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland
E-mail: pietrzyk@chemia.uj.edu.pl
Fax: +48 12 634 05 15
Tel: +48 12 663 22 24

b Regional Laboratory for Physicochemical Analyses and Structural Research, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland

Abstract

Catalytic reduction of NOx with propene over Co2+-exchanged β and ZSM-5 zeolites occurs with formation of zero-valent cobalt; NOx preferentially adsorbed on Co2+ plays the role of a metal reducing agent while ligation of propene is favored for Co0 centers.

Graphical abstract: Co2+/Co0 redox couple revealed by EPR spectroscopy triggers preferential coordination of reactants during SCR of NOx with propene over cobalt-exchanged zeolites

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Article information

DOI
https://doi.org/10.1039/B703088F
Article type
Communication
Submitted
01 Mar 2007
Accepted
02 Apr 2007
First published
17 Apr 2007

Chem. Commun., 2007, 1930-1932

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Co2+/Co0 redox couple revealed by EPR spectroscopy triggers preferential coordination of reactants during SCR of NOx with propene over cobalt-exchanged zeolites

P. Pietrzyk and Z. Sojka, Chem. Commun., 2007, 1930 DOI: 10.1039/B703088F

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