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Browsing by Author "Rey Garcia, Fernando"

Now showing items 21-40 of 87

Critical Role of Dynamic Flexibility in Ge-Containing Zeolites: Impact on Diffusion

Gutierrez-Sevillano, Juan José; Calero, Sofia; Hamad, Said; Grau-Crespo, Ricardo; Rey Garcia, Fernando; Valencia Valencia, Susana; Palomino Roca, Miguel; Balestra, Salvador R. G.; Ruiz-Salvador, A. Rabdel (Wiley, 2016-06-11)

Incorporation of germanium in zeolites is well known to confer static flexibility to their framework, by stabilizing the formation of small rings. In this work, we show that the flexibility associated to Ge atoms in zeolites ...
DESARROLLO DE NUEVOS MATERIALES BASADOS EN METALES NOBLES Y SEMINOBLES PARA CATALISIS MEDIOAMBIENTAL Y APLICACIONES BIOCIDAS

Cerrillo Olmo, José Luis (Universitat Politècnica de València, 2019-07-22)

[ES] En esta Tesis Doctoral se ha estudiado el desarrollo de nuevos materiales basados en metales nobles y seminobles para su aplicación como catalizadores para su uso en tratamiento de aguas contaminadas y como aditivos ...
Desilication of highly siliceous zeolite ZSM-5 with NaOH and NaOH/tetrabutylamine hydroxide

Sadowska, K; Góra-Marek, Kinga; Drozdek, Marek; Kustrowski, Piotr; Datka, J; Martínez-Triguero, Joaquín; Rey Garcia, Fernando (Elsevier, 2013-03-01)

The results of both chemical and XPS analysis pointed out that desilication of highly siliceous ZSM-5 of Si/Al = 164 was more effective in the surface zone than in the bulk, contrary to zeolite ZSM-5 of Si/Al = 31.6. ...
Elucidation of the Interaction Mechanism between Organic Chiral Cages with Biomolecules through Nuclear Magnetic Resonance and Theoretical Studies

Saez-Ferre, Sara; Boronat Zaragoza, Mercedes; Cantin Sanz, Angel; Rey Garcia, Fernando; Oña-Burgos, Pascual (American Chemical Society, 2018-07-26)

[EN] A multinuclear NMR has been carried out to elucidate the mechanism of action of CC3-R box-type chiral materials for the separation of enantiomers, supported by theoretical calculations. The potential of these materials ...
EMPLEO DE CATIONES FOSFONIO COMO AGENTES DIRECTORES DE ESTRUCTURA (ADEs) EN LA SÍNTESIS DE ZEOLITAS

Hernández Rodríguez, Manuel (Universitat Politècnica de València, 2014-02-13)

DESARROLLO DE NUEVOS MATERIALES MICROPOROSOS QUE PUEDEN SER DE INTERÉS EN PROCESOS DE PETROLEOQUÍMICA Y QUÍMICA FINA, ASÍ COMO EN PROCESOS DE ADSORCIÓN Y SEPARACIÓN DE HIDROCARBUROS LIGEROS, TALES COMO HIDROCARBUROS LINEALES ...
Empleo de materiales porosos como adsorbentes selectivos en la separación de olefinas/parafinas

Pintor Labandeira, Antía (Universitat Politècnica de València, 2020-09-04)

[ES] Olefinas ligeras tales como etileno y propileno son importantes productos primarios de la industria de polímeros, y se obtienen fundamentalmente a partir de craqueo de nafta y alcanos de cadena corta, como etano y ...
Empleo de zeolitas en procesos de adsorción y separación de hidrocarburos de cadena corta

Sánchez, Ledys Yelitza (Universitat Politècnica de València, 2018-09-10)

Los procesos de separación de mezclas de hidrocarburos y gases ligeros mediante adsorción selectiva empleando sólidos microporosos son de interés en numerosas aplicaciones industriales. El objetivo de este trabajo se centra ...
Estudio de la estabilidad de distintos tipos de agentes directores de estructura orgánicos en la síntesis de zeolitas

Simancas Coloma, Jorge (Universitat Politècnica de València, 2013-06-17)

[ES] Estudio de la estabilidad de agentes directores de estructura (ADE) en síntesis de Zeolitas usando ADE tipo Tetraalquilamonio, Tetraalquilfosfonio y bases de Fosfaceno.
Estudio de materiales zeolíticos como estructuras anfitrionas de nanopartículas. Aplicaciones nanotecnológicas, catalíticas y medioambientales

Alonso Escobar, Cristina (Universitat Politècnica de València, 2017-11-03)

In this thesis, a series of different metal-zeolite catalysts has been studied using X-ray absorption spectroscopy (XAS). The studies have focused on the in situ activation processes of the materials, complemented with ...
Estudio de procesos de separación de CO2 y CH4 mediante el empleo de zeolitas

Sánchez, Ledys Yelitza (Universitat Politècnica de València, 2015-10-19)

[EN] The combining gravimetric and volumetric isotherms from mixtures of CO2/CH4, which allows the characterization of the thermodynamics for each separate adsorbate. The (IAST) calculation method was applied which permits ...
Estudio de procesos de separación de hidrocarburos ligeros mediante el empleo de tamices moleculares

Palomino Roca, Miguel (Universitat Politècnica de València, 2016-05-02)

[EN] The aim of this thesis is to study the use of zeolites for the separation of light hydrocarbons. In order to do so, different zeolites were synthesized and characterized by different techniques to determine their ...
Estudios de difusión de mezclas de propano y propeno en zeolita Si-LTA (ITQ-29) empleando scattering cuasielástico de neutrones (QENS)

Pérez Botella, Eduardo (Universitat Politècnica de València, 2017-01-16)

[EN] The separation process of propane-propene mixtures is very important in the petrochemical industry and the development of a non-cryogenic alternative method still remains a challenge. Such alternative process would ...
Evaluation of the silver species nature in Ag-ITQ2 zeolites by the CO oxidation reaction

López-Hernández, Irene; GARCÍA YAGO, CLARA ISABEL; Truttmann, V.; Pollit, S.; Barrabés, N.; Rupprechter, G.; Rey Garcia, Fernando; Palomares Gimeno, Antonio Eduardo (Elsevier, 2020-04-01)
Fifth International FEZA Conference

Rey Garcia, Fernando; Corma Canós, Avelino; Bellussi, Giuseppe; Kaucic, Venceslav (Elsevier, 2013)
Functional Ag-Exchanged Zeolites as Biocide Agents

Cerrillo, José Luis; Palomares Gimeno, Antonio Eduardo; Rey Garcia, Fernando; Valencia Valencia, Susana; Pérez-Gago, María B.; Villamón-Pérez, Diana; Palou-Valls, Lluis (John Wiley & Sons, 2018-05-02)

[EN] Materials based on silver are used for controlling different pathogenic microorganisms. However, the influence of the silver carrier in the biocidal activity of the material has been scarcely reported. The present ...
Gas confinement in compartmentalized coordination polymers for highly selective sorption

Giménez-Marqués, Mónica; Calvo Galve, Néstor; Palomino Roca, Miguel; Valencia Valencia, Susana; Rey Garcia, Fernando; SASTRE NAVARRO, GERMAN IGNACIO; Vitorica-Yrezabal, Iñigo J.; Jiménez-Ruiz, Mónica; Rodríguez-Velamazán, J. Alberto; González, Miguel A.; Jorda Moret, Jose Luis; Coronado, Eugenio; Minguez Espallargas, Guillermo (The Royal Society of Chemistry, 2017-04-01)

[EN] Discrimination between different gases is an essential aspect for industrial and environmental applications involving sensing and separation. Several classes of porous materials have been used in this context, including ...
High Proton Conductivity in a Flexible, Cross-Linked, Ultramicroporous Magnesium Tetraphosphonate Hybrid Framework

Colodrero, Rosario M. P.; Olivera-Pastor, Pascual; Losilla, Enrique R.; Hernández-Alonso, Daniel; Aranda, Miguel A. G.; León-Reina, Laura; Rius, Jordi; Demadis, Konstantinos D.; Moreau, Bernard; Villemin, Didier; Palomino Roca, Miguel; Rey Garcia, Fernando; Cabeza, Aurelio (American Chemical Society, 2012)

Multifunctional materials, especially those combining two or more properties of interest, are attracting immense attention due to their potential applications. MOFs, metal organic frameworks, can be regarded as multifunctional ...
High-Performance of Gas Hydrates in Confined Nanospace for Reversible CH4/CO2 Storage

Casco, Mirian E.; Jorda Moret, Jose Luis; Rey Garcia, Fernando; Fauth, Francois; Martinez-Escandell, Manuel; Rodríguez-Reinoso, Francisco; Ramos-Fernandez, Enrique V.; Silvestre Albero, Joaquin (Wiley, 2016-07-11)

The molecular exchange of CH4 for CO2 in gas hydrates grown in confined nanospace has been evaluated for the first time using activated carbons as a host structure. The nano-confinement effects taking place inside the ...
Highly active hybrid mesoporous silica-supported base organocatalysts for C-C bond formation

Erigoni, Andrea; Hernández Soto, María Consuelo; Rey Garcia, Fernando; Segarra-Almela, Mª De La Candelaria; DÍAZ MORALES, URBANO MANUEL (Elsevier, 2020-04-01)

[EN] New base hybrid catalysts, based on silyl-derivatives of molecules carrying amino, diamino, pyrrolidine, pyrazolium and imidazolium functionalities have been successfully achieved through post synthetic grafting onto ...
Host-Guest and Guest-Guest Interactions of P- and N-Containing Structure Directing Agents Entrapped inside MFI-Type Zeolite by Multinuclear NMR Spectroscopy

Martinez-Ortigosa, Joaquin; Simancas-Coloma, Jorge; Vidal Moya, José Alejandro; Gaveau, Philippe; Rey Garcia, Fernando; Alonso, B.; Blasco Lanzuela, Teresa (American Chemical Society, 2019-09-12)

[EN] Highly crystalline pure silica MFI zeolites have been synthesized using tetraethylammonium (TEA), tetraethylphosphonium (TEP), or a mixture of both cations in different proportions as organic structure directing agents ...