2021
DOI: 10.29356/jmcs.v65i1.1267
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On the Structure-Activity Relationship for NO-SCR with NH3 Catalyzed by Cu-exchanged Natural Chabazite and SSZ-13

Abstract: Abstract. In spite of their similar structures, the catalytic properties of natural and synthetic (SSZ-13) Chabazite during the selective reduction of NO with NH3 have a different dependence on the Cu exchange level when tested under conditions equivalent to those found in Diesel vehicles. At low (1-2 wt.%) and high copper loadings (6-14 wt.%), their activities differ, because there are variations in the different species of Cu (Cu+, Cu2+, Cu-O-Cu) detected by UV-Vis. At intermediate Cu loadings (2-3 wt.%) the… Show more

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Cited by 4 publications
(9 citation statements)
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“…Figura 1. Conversión de NO durante la RCS con NH3 en un catalizador con 2.8 % en Cu intercambiado en chabazita natural [7].…”
Section: Tecnologías De Controlunclassified
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“…Figura 1. Conversión de NO durante la RCS con NH3 en un catalizador con 2.8 % en Cu intercambiado en chabazita natural [7].…”
Section: Tecnologías De Controlunclassified
“…Claramente se observa alta conversión (90 %) después de 250 °C. A temperaturas menores de 200 °C hay baja reducción de NO, (conversión menor a 50 %) [7].…”
Section: Catalítica Selectiva De Nounclassified
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