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Browsing by Author "Navarro Villalba, Mª Teresa"

Now showing items 1-12 of 12

Direct Dual-Template Synthesis of MWW Zeolite Monolayers

Margarit Benavent, Vicente Juan; Martínez Armero, Marta Evelia; Navarro Villalba, Mª Teresa; Martínez, Cristina; Corma Canós, Avelino (Wiley, 2015-11-09)

A two-dimensional zeolite with the topol. of MWW sheets has been obtained by direct synthesis with a combination of two org. structure-directing agents. The resultant material consists of approx. 70 % single and double ...
Direct Synthesis of Nano-Ferrierite along the 10-Ring-Channel Direction Boosts Their Catalytic Behavior

Margarit Benavent, Vicente Juan; Díaz-Rey, Maria Del Rocio; Navarro Villalba, Mª Teresa; Martínez, Cristina; Corma Canós, Avelino (John Wiley & Sons, 2018)

[EN] Ferrierite zeolites with nanosized crystals and external surface areas higher than 250m(2)g(-1) have been prepared at relatively low synthesis temperature (120 degrees C) by means of the collaborative effect of two ...
Femto-to nanosecond photodynamics of Nile Red in metal-ion exchanged faujasites

di Nunzio, Maria Rosaria; Caballero-Mancebo, Elena; Martin, Cristina; Cohen, Boiko; Navarro Villalba, Mª Teresa; Corma Canós, Avelino; Douhal, Abderrazzak (Elsevier, 2018-01-15)

[EN] We report on the photodynamics of Nile Red (NR) interacting with faujasite (NaY)-type zeolites having different Na/Al ratios and charge balancing metals (Li+, Mg2+, and Cs+) in dichloromethane (DCM) suspensions. The ...
Modular organic structure-directing agents for the synthesis of zeolites

Simancas Coloma, Raquel; Dari, Djamal; Velamazan, Noemi; Navarro Villalba, Mª Teresa; Cantin Sanz, Angel; Jorda Moret, Jose Luis; Sastre Navarro, German Ignacio; Corma Canós, Avelino; Rey Garcia, Fernando (American Association for the Advancement of Science (AAAS), 2010)

[EN] Organic structure-directing agents (OSDAs) are used to guide the formation of particular types of pores and channels during the synthesis of zeolites. We report that the use of highly versatile OSDAs based on phosphazenes ...
One-pot co-crystallization of beta and pentasil nanozeolites for the direct conversion of a heavy reformate fraction into xylenes

Margarit Benavent, Vicente Juan; Portilla Ovejero, Mª Teresa; Navarro Villalba, Mª Teresa; Abudawoud, Raed; Al-Zahrani, Ibrahim M.; Shaikh, Sohel; Martínez, Cristina; Corma Canós, Avelino (Elsevier, 2019-07-05)

[EN] Upgrading of the heavy reformate fraction (HR), containing mainly C9+ aromatics, is usually performed by dealkylation or by transalkylation with added benzene and/or toluene to obtain the more valuable xylenes. However, ...
Propene Production by Butene Cracking. Descriptors for Zeolite Catalysts

Del Campo Huertas, Pablo; Navarro Villalba, Mª Teresa; Shaikh, Sohel K.; Khokhar, Munir D.; Aljumah, Furqan; Martínez, Cristina; Corma Canós, Avelino (American Chemical Society, 2020-10-16)

[EN] Among the possible on-purpose technologies for propene production, direct conversion of butene-rich fractions to propene represents an attractive alternative to conventional routes such as steam cracking or fluid ...
Pt and Pd nanoparticles supported on structured materials as catalysts for the selective reductive amination of carbonyl compounds

Domine, Marcelo Eduardo; Hernández-Soto, M. Consuelo; Navarro Villalba, Mª Teresa; Pérez, Yolanda (Elsevier, 2011-08-25)

[EN] Metal catalysts based on Pt and Pd nano-particles supported on structured microporous Beta zeolites and mesoporous MCM-41 materials, as well as specially designed gamma-Al(2)O(3) samples, were synthesized following a ...
Síntesis directa de zeolitas monolámina (zeolitas 2D) y sus aplicaciones catalíticas

Margarit Benavent, Vicente Juan (Universitat Politècnica de València, 2023-04-18)

[ES] La presente tesis doctoral se centra en la obtención, vía síntesis directa, de materiales zeolíticos nanocristalinos con propiedades fisicoquímicas y catalíticas mejoradas respecto a los materiales de referencia. Para ...
Síntesis y caracterización de zeolitas micro-mesoporosas obtenidas a partir de surfactantes bifuncionales

Margarit Benavent, Vicente Juan (Universitat Politècnica de València, 2013-06-24)

[ES] Se han obtenido materiales zeolíticos mediante nuevas estrategias de síntesis que incluyen el uso de surfactantes como agentes directores de estructura. Los materiales han sido caracterizado tanto Física como químicamente.
Spectroscopic, calorimetric, and catalytic evidences of hydrophobicity on Ti-MCM-41 silylated materials for olefin epoxidations

Silvestre Albero, Joaquin; Domine ., Marcelo Eduardo; Jorda Moret, Jose Luis; Navarro Villalba, Mª Teresa; Rey Garcia, Fernando; Rodriguez-Reinoso, Francisco; Corma Canós, Avelino (Elsevier, 2015-10-25)

tHydrophobic Ti-MCM-41 samples prepared by post-synthesis silylation treatment demonstrate to behighly active and selective catalysts in olefins epoxidation by using organic hydroperoxides as oxidizingagents in liquid phase ...
Synthesis of nano-SSZ-13 and its application in the reaction of methanol to olefins

Li, Zhibin; Navarro Villalba, Mª Teresa; Martínez Triguero, Luis Joaquín; Yu, Jihong; Corma Canós, Avelino (Royal Society of Chemistry, 2016)

[EN] Nanosized SSZ-13 has been obtained from a one-pot synthesis procedure with the addition of CTAB to the synthesis precursor solution. Nano-SSZ-13 zeolite showed high intracrystalline mesoporosity and compared to standard ...
Titanosilicate zeolite precursors for highly efficient oxidation reactions

Bai, Risheng; Navarro Villalba, Mª Teresa; Song, Yue; Zhang, Tianjun; Zou, Yongcun; Feng, Zhaochi; Zhang, Peng; Corma Canós, Avelino; Yu, Jihong (The Royal Society of Chemistry, 2020-12-07)

[EN] Titanosilicate zeolites are catalysts of interest in the field of fine chemicals. However, the generation and accessibility of active sites in titanosilicate materials for catalyzing reactions with large molecules is ...