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Chem. Commun., 2007, 1930 - 1932, DOI: 10.1039/b703088f

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 and Zbigniew Sojka

Catalytic reduction of NOx with propene over Co2+-exchanged 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 image for this article (ID: b703088f)