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Browsing by Author "Blasco Lanzuela, Teresa"

Now showing items 1-20 of 39

5th International FEZA Conference : abstracts

Blasco Lanzuela, Teresa; Sastre de Andres, Enrique (Editorial Universitat Politècnica de València, 2011-07-12)
A Multi-Nuclear MAS-NMR Study on the Structural Properties of Silicalite-1 Zeolite Synthesized Using N- and P-Based Organic Structure Directing Agents

Martinez-Ortigosa, Joaquin; Simancas, Jorge; Vidal Moya, José Alejandro; Rey Garcia, Fernando; Valencia Valencia, Susana; Blasco Lanzuela, Teresa (MDPI AG, 2021-08)

[EN] The nature of organic structure directing agents (OSDAs) is of paramount importance in the final properties of zeolites, particularly the framework and porosity. Recently, the use of P-containing OSDAs has been employed ...
AgY zeolite as catalyst for the selective catalytic oxidation of NH3

Martinez-Ortigosa, Joaquin; Lopes, Christian W.; Agostini, Giovanni; Palomares Gimeno, Antonio Eduardo; Blasco Lanzuela, Teresa; Rey Garcia, Fernando (Elsevier, 2021-08)

[EN] Ag-exchanged Y zeolites (Si/Al = 2.5; Ag/Al = 0.30-0.95) have been tested in the NH3-SCO reaction, the most promising method for the elimination of ammonia emissions, and deeply characterized before and after reaction ...
Al2O3-Supported W-V-O bronzes catalysts for oxidative dehydrogenation of ethane

Benomar, S.; Chieregato, A.; Masso, A.; Soriano Rodríguez, Mª Dolores; Vidal Moya, José Alejandro; Blasco Lanzuela, Teresa; Issaadi, R.; López Nieto, José Manuel (The Royal Society of Chemistry, 2020-12-07)

[EN] Supported vanadium-containing hexagonal tungsten bronzes (HTBs) were prepared for the first time using a combination of a new soft synthetic procedure and fine-tuned heat treatments. The characterization of heat-treated ...
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 ...
Ammonia-Containing Species Formed in Cu-Chabazite As Per In SituEPR, Solid-State NMR, and DFT Calculations

Moreno González, Marta; Hueso Fuentes, Beatriz; Boronat Zaragoza, Mercedes; Blasco Lanzuela, Teresa; Corma Canós, Avelino (American Chemical Society, 2015-03-19)

Nowadays, the most attractive technology for the elimination of nitric oxides from the exhaust gas of diesel vehicles is the selective catalytic reduction with ammonia (NH3-SCR-NOx) using Cu zeolite with the chabazite ...
Aplicación de la resonancia magnética nuclear (RMN) al estudio de procesos catalíticos sostenibles: transposición de Beckmann y acilación de sustratos aromáticos

Lezcano González, Inés (Universitat Politècnica de València, 2012-12-27)

En la presente tesis doctoral se ha estudiado el mecanismo de la reacción de acilación de sustratos aromáticos utilizando como catalizadores zeolitas con diferente topología. La combinación de la RMN de sólidos in situ con ...
Aplicación de métodos espectroscópicos "in situ" en el estudio de la reacción de transposición de Beckmann catalizada por sólidos porosos

Fernández Sánchez, Ana Belén (Universitat Politècnica de València, 2009-01-19)

La reacción de transposición de Beckmann de cetoximas en amidas es una de las etapas fundamentales en la producción industrial de la -caprolactama, precursor en la fabricación de Nylon-6 a partir de ciclohexanona oxima. ...
APLICACIÓN DE TÉCNICAS ESPECTROSCÓPICAS IN SITU AL ESTUDIO DE REACCIONES DE INTERÉS MEDIOAMBIENTAL: ELIMINACIÓN DE ÓXIDOS DE NITRÓGENO

Moreno González, Marta (Universitat Politècnica de València, 2015-07-02)

[EN] The Selective Catalytic Reduction of nitrogen oxides (SCR-NOx) is nowadays a very relevant process for reducing NOx emissions in diesel vehicles, which must comply with increasingly restrictive European regulations. ...
Caracterización de catalizadores de cobre utilizados en la reacción de reducción catalítica selectiva de óxidos de nitrógeno utilizando técnicas de resonancia magnética

Moreno González, Marta (Universitat Politècnica de València, 2012-05-04)

Se ha llevado a cabo el estudio de tres catalizadores zeolíticos intercambiados con Cu(II): Cu-IM5 (relación molar Si/Al = 12, Cu/Al=0,65), Cu-SSZ-13 (Si/Al=22, Cu/Al=0,46) y Cu-SSZ-13 (Si/Al=11, Cu/Al=0,15), que muestran ...
Caracterización estructural de zeolitas por Resonancia Magnetica Nuclear y su aplicación como catalizadores

Martínez Ortigosa, Joaquín (Universitat Politècnica de València, 2021-04-26)

[ES] Las zeolitas son sólidos cristalinos microporosos con canales y cavidades de tamaños moleculares, que pueden presentar gran variedad de estructuras y composición química, lo que las hace útiles como catalizadores en ...
Carbonylation of Methanol on Metal Acid Zeolites: Evidence for a Mechanism Involving a Multisite Active Center

Blasco Lanzuela, Teresa; Boronat Zaragoza, Mercedes; Concepción Heydorn, Patricia; Corma Canós, Avelino; Law, David; Vidal Moya, José Alejandro (John Wiley & Sons, 2007)
Catalytic VOCs elimination over copper and cerium oxide modified mesoporous SBA-15 silica

Tsoncheva, Tanya; Issa, Gloria; Blasco Lanzuela, Teresa; Dimitrov, M.; Popova, Margarita; Hernández Morejudo, Selene; Kovacheva, Daniela; Atanasova, Genoveva; López Nieto, José Manuel (Elsevier, 2013)

[EN] Copper and cerium oxide bi-component materials with different Cu/Ce ratio were prepared using ordered SBA-15 silica as a support and compared with their bulk analogs. The samples were characterized by nitrogen ...
Characterization and NH3-SCR reactivity of Cu-Fe-ZSM-5 catalysts prepared by solid state ion exchange: The metal exchange order effect

Jouini, Houda; Mejri, Imène; Petitto, Carolina; Martinez-Ortigosa, Joaquin; Vidal Moya, José Alejandro; Mhamdi, Mourad; Blasco Lanzuela, Teresa; Delahay, Gerard (Elsevier, 2018-04)

[EN] The selective catalytic reduction (SCR) of NO with NH3 in the presence of O-2 and H2O over a series of Fe and/or Cu-containing ZSM-5 catalysts prepared by solid state ion exchange (SSIE) was investigated. A wide number ...
Control de las propiedades ácidas de las zeolitas MFI y RTH sintetizadas con agentes directores de estructura fosforados

Fernandez Vazquez, Alicia (Universitat Politècnica de València, 2021-01-28)

[ES] Las zeolitas son sólidos cristalinos microporosos, generalmente aluminosilicatos, que se utilizan ampliamente como catalizadores para llevar a cabo diferentes reacciones de interés industrial. Uno de los principales ...
Crystalline phase transition in as-synthesized pure silica zeolite RTH containing tetra-alkyl phosphonium as organic structure directing agent

Martinez-Ortigosa, Joaquin; Millán, Reisel; Simancas, Jorge; Hernández-Rodríguez, Manuel; Vidal Moya, José Alejandro; Jorda Moret, Jose Luis; Martineau-Corcos, Charlotte; Sarou-Kanian, Vincent; Boronat Zaragoza, Mercedes; Blasco Lanzuela, Teresa; Rey Garcia, Fernando (The Royal Society of Chemistry, 2024-01-03)

[EN] The choice of structure directing agents (SDAs) in zeolite synthesis significantly impacts the arrangement of active sites, thereby influencing the stabilization of reaction intermediates with profound implications ...
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 ...
Effects of cage topology on ethylene adsorption mechanism in silver exchanged CHA and RHO zeolites: An Inelastic Neutron Scattering and Density Functional study

De Marcos-Galán, Alessandra; E Silva de Almeida, Gabrielli Maria; Martinez-Ortigosa, Joaquin; SASTRE NAVARRO, GERMAN IGNACIO; Jiménez-Ruiz, M.; Rey Garcia, Fernando; Blasco Lanzuela, Teresa (Elsevier, 2024-03-01)

[EN] Zeolite-based adsorbents have been successfully used for many challenging separations due to their tunable properties. A particularly notable application involves the separation of light olefins from paraffins, wherein ...
Electrical conductivity of a MoVTeNbO catalyst in propene oxidation measured in operando conditions

Caldararu, M.; Scurtu, M.; Hornoiu, C.; Munteanu, C.; Blasco Lanzuela, Teresa; López Nieto, José Manuel (Elsevier, 2010-10-15)

[EN] A complex ac electrical conductivity study was performed on a Te(0.33)MO(3.33) (M = Mo + V + Nb) pure phase (M2-type phase) in operando conditions, using the differential step technique (DST). The aim is to obtain new ...
Estudio por rmn "in-situ" de la reacción de hidroxialquilación de guayacol y 13c-formaldehido utilizando zeolitas acidas como catalizadores

Hueso Fuentes, Beatriz (Universitat Politècnica de València, 2015-06-02)

[EN] A study was performed by NMR-Solids, employed "in-situ" technics of the Hidroxyalkylation reaction of guaiacol and different sources of 13C-formaldehyde in zeolite type H-MOR. The used of DFT/GIAO methods allow ...