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Listar por palabra clave "NH3-SCR"

Mostrando ítems 1-8 de 8

Alkali poisoning of Fe-Cu-ZSM-5 catalyst for the selective catalytic reduction of NO with NH3

Jouini, Houda; Mejri, Imène; Martinez-Ortigosa, Joaquin; Cerrillo, Jose L.; Petitto, Carolina; Mhamdi, Mourad; Blasco Lanzuela, Teresa; Delahay, Gérard (Springer-Verlag, 2022-08)

[EN] Fe (2 wt%)-Cu (1.5 wt%)-ZSM-5 SCR catalyst contacted 1.5 wt% of Na and 1.8 wt% of K in order to simulate poisoning by species more specifically contained in exhaust gases from exhaust gases of diesel engines and power ...
Catalytic performance of commercial Cu-ZSM-5 zeolite modified by desilication in NH3-SCR and NH3-SCO processes

Rutkowska, Malgorzata; Pacia, I.; Basag, S.; Kowalczyk, A.; Piwowarska, Z.; Duda, M.; Tarach, K.A.; Gora-Marek, K.; Michalik, M.; DÍAZ MORALES, URBANO MANUEL; Chmielarz, Lucjan (Elsevier, 2017-07-01)

[EN] In the presented manuscript an influence of the mesoporosity generation in commercial ZSM-5 zeolite on its catalytic performance in two environmental processes, such as NO reduction with ammonia (NH3SCR, Selective ...
Effect of zeolite structure on the selective catalytic reduction of NO with ammonia over Mn-Fe supported on ZSM-5, BEA, MOR and FER

Ben-Younes, Nada; Martinez-Ortigosa, Joaquin; Marie, Olivier; Blasco Lanzuela, Teresa; Mhamdi, Mourad (Springer-Verlag, 2021-05)

[EN] A series of catalysts based on Mn-Fe loaded zeolites was prepared by impregnation and their activity in the selective catalytic reduction of NO with ammonia (NH3-SCR) was investigated. The highest catalytic conversion ...
Ferrierite and Its Delaminated and Silica-Intercalated Forms Modified with Copper as Effective Catalysts for NH3-SCR Process

Swies, Aneta; Kowalczyk, Andrzej; Rutkowska, Malgorzata; DÍAZ MORALES, URBANO MANUEL; Palomares Gimeno, Antonio Eduardo; Chmielarz, Lucjan (MDPI AG, 2020-07)

[EN] The main goal of the study was the development of effective catalysts for the low-temperature selective catalytic reduction of NO with ammonia (NH3-SCR), based on ferrierite (FER) and its delaminated (ITQ-6) and ...
Influence of lattice stability on hydrothermal deactivation of Cu-ZSM-5 and Cu-IM-5 zeolites for selective catalytic reduction of NOx by NH3

VENNESTROM, PETER NICOLAI RAVNBORG; Janssens, Ton V. W.; Kustov, Arkady; Grill, Marie; Puig-Molina, Anna; Lundegaard, Lars F.; Tiruvalam, Ramchandra R.; Concepción Heydorn, Patricia; Corma Canós, Avelino (Elsevier, 2014-01)

Copper-exchanged zeolites are well-known catalysts for the selective catalytic reduction of nitrogen oxides by ammonia (NH3-SCR). To determine the influence of framework stability on catalyst deactivation, two zeolite ...
On the performance of Fe-Cu-ZSM-5 catalyst for the selective catalytic reduction of NO with NH3: the influence of preparation method

Jouini, Houda; Martinez-Ortigosa, Joaquin; Mejri, Imène; Mhamdi, Mourad; Blasco Lanzuela, Teresa; Delahay, Gérard (Springer-Verlag, 2019-03)

[EN] The selective catalytic reduction of NO with ammonia (NH3-SCR) in the presence of H2O was studied over a series of Fe-Cu-ZSM-5 catalysts prepared by solid-state ion exchange (SSIE), aqueous ion exchange and impregnation ...
Selective catalytic reduction of nitric oxide with ammonia over Fe-Cu modified highly silicated zeolites

Jouini, Houini; Mejri, Imène; Martinez-Ortigosa, Joaquin; Cerrillo, José Luis; Mhamdi, Mourad; Palomares Gimeno, Antonio Eduardo; Delahay, Gerard; Blasco Lanzuela, Teresa (Elsevier, 2018-10)

[EN] In the present study, the solid-state ion exchange method (SSIE) was applied to introduce iron and copper into highly silicate zeolites: beta (BEA, Si/Al¿=¿12.5), ferrierite (FER, Si/Al¿=¿10) and mordenite (MOR, ...
The Influence of the Support on the Activity of Mn-Fe Catalysts Used for the Selective Catalytic Reduction of NOx with Ammonia

López-Hernández, Irene; Mengual Cuquerella, Jesús; Palomares Gimeno, Antonio Eduardo (MDPI AG, 2020-01)

[EN] Mono and bimetallic Mn-Fe catalysts supported on different materials were prepared and their catalytic performance in the NH3-SCR of NOx was investigated. It was shown that Mn and Fe have a synergic effect that enhances ...