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Listar por palabra clave "Hydrothermal synthesis"

Mostrando ítems 1-14 de 14

Coordinatively Unsaturated Hf-MOF-808 Prepared via Hydrothermal Synthesis as a Bifunctional Catalyst for the Tandem N-Alkylation of Amines with Benzyl Alcohol

Bohigues, Benjamin; Rojas-Buzo, Sergio; Moliner Marin, Manuel; Corma Canós, Avelino (American Chemical Society, 2021-11-29)

[EN] The modulated hydrothermal (MHT) synthesis of an active and selective Hf-MOF-808 material for the N-alkylation reaction of aniline with benzyl alcohol under base-free mild reaction conditions is reported. Through ...
Estudio de la síntesis de sólidos microporosos usando amonios cuaternarios derivados del 4,4'-bis(clorometil)-1,1'-bifenil como agentes directores de estructura en la sintesis hidrotermal de zeolitas

Hernandis Altur, Vicente (Universitat Politècnica de València, 2019-07-30)

[ES] En este trabajo de fin de grado se han sintetizado materiales microporosos, zeolitas, a partir de derivados del 4,4'-bis(clorometil)-1,1'-bifenil sustituyendo los cloros por aminas terciarias como son la trimetilamina, ...
Hydrothermal-Freeze-Casting of Poly(amidoamine)-Modified Graphene Aerogels towards CO2 Adsorption

Pruna, Alina Iuliana; Cárcel, Alfonso Cristóbal; Benedito, Adolfo; Giménez Torres, Enrique (MDPI AG, 2021-09)

[EN] This article presents novel poly(amidoamine) (PAMAM) dendrimer-modified with partially-reduced graphene oxide (rGO) aerogels, obtained using the combined solvothermal synthesis-freeze-casting approach. The properties ...
Influence of Phase Composition of Bulk Tungsten Vanadium Oxides on the Aerobic Transformation of Methanol and Glycerol

Delgado-Muñoz, Daniel; Chieregato, Alessandro; Soriano Rodríguez, Mª Dolores; Rodríguez-Aguado, E.; Ruiz-Rodríguez, Lidia; Rodriguez-Castellon, E.; López Nieto, José Manuel (John Wiley & Sons, 2018-03-14)

[EN] A series of W-V-O catalysts with different m-WO3 and h-WO3 phase contents were hydrothermally synthesized by employing different tungsten, vanadium, and ammonium precursors and characterized by powder XRD, N-2 adsorption, ...
Machine Learning Applied to Zeolite Synthesis: The Missing Link for Realizing High-Throughput Discovery

Moliner Marin, Manuel; Román-Leshkov, Yuriy; Corma Canós, Avelino (American Chemical Society, 2019-10-15)

[EN] CONSPECTUS: Zeolites are microporous crystalline materials with well-defined cavities and pores, which can be prepared under different pore topologies and chemical compositions. Their preparation is typically defined ...
Mo-W-containing tetragonal tungsten bronzes through isomorphic substitution of molybdenum by tungsten

Botella Asuncion, Pablo; Solsona Espriu, Benjamin Eduardo; López Nieto, José Manuel; Concepción Heydorn, Patricia; Jorda Moret, Jose Luis; Domenech Carbo, Mª Teresa (Elsevier, 2010)

Mixed metal oxides based in Mo(W)–Nb–V–Te with tetragonal tungsten bronze (TTB) structure have been synthesized by a hydrothermal method from aqueous solutions of the corresponding Keggin-type heteropolyacids and further ...
On the nature of active sites in MoVTeO and MoVTeNbO catalysts. The influence of catalyst activation temperature

Concepción Heydorn, Patricia; Hernández Morejudo, Selene; López Nieto, José Manuel (Elsevier, 2011-01-04)

[EN] MoVTeO and MoVTeNbO catalysts have been prepared, characterized (by XRD, Raman, IR. XPS, oxygen isotopic-exchange and IR of adsorbed methanol) and tested in the partial oxidation of propane to acrylic acid. The catalysts ...
Oriented CoSAPO-5 Membranes by Microwave-Enhanced Growth on TiO2-Coated Porous Alumina

Stoeger, Jared A.; Palomino Roca, Miguel; Agrawal, Kumar Varoon; Zhang, Xueyi; Karanikolos, Georgios N.; Valencia Valencia, Susana; Corma Canós, Avelino; Tsapatsis, Michael (Wiley-VCH Verlag, 2012-01-27)

[EN] Microwaving plates: A facile method was developed for the fabrication of preferentially c-oriented cobalt-substituted silicoaluminophosphate-5 (CoSAPO-5) membranes on porous alumina supports. In situ microwave growth ...
Precursors of tetragonal tungsten bronzes as catalysts in selective reactions: Liquid phase oxidation of diphenyl sulfide and gas phase oxidation of hydrogen sulfide

Egusquiza, María G.; Soriano Rodríguez, Mª Dolores; Muñoz, Mercedes; Romanelli, Gustavo; Soriano-Rodríguez, José; Cabello, Carmen I.; López Nieto, José Manuel (Elsevier, 2021-07-15)

[EN] Mixed metal oxides, of the type (KNaM)xP0.11WV0.2NbOx and (NH4)x/(Na)xP0.11WV0.2NbOx, were prepared by hydrothermal synthesis from lacunary heteropolytungstates, [M4(H2O)2(PW9O34)2]10- (MPW9, with M(II) = Co, Cu or ...
Selective propane oxidation over MoVSbO catalysts. On the preparation, characterization and catalytic behavior of M1 phase

Ivars Barceló, Francisco; Solsona Espriu, Benjamin Eduardo; Rodriguez-Castellon, Enrique; López Nieto, José Manuel (Elsevier, 2009-02-15)

Nb-free (SbO)(2)M(20)O(56) catalysts (M = Mo, V) presenting pure M1 phase have been prepared by a post-synthesis treatment with hydrogen peroxide of a heat-treated MoVSbO mixed metal oxide catalyst previously prepared by ...
Síntesis de zeolitas como catalizadores para la optimización de procesos químicos de interés industrial

Cumplido Comeche, María Pilar (Universitat Politècnica de València, 2022-03-21)

[ES] Las zeolitas son sólidos inorgánicos, microporosos y cristalinos compuestos por la unión de tetraedros TO4 (T = Si, Ge, B, Al, Ti...). Estos tetraedros están unidos unos con otros por sus vértices, formando sistemas ...
Síntesis, caracterización y aplicaciones catalíticas de aluminofosfatos y silicoaluminofosfatos zeolíticos obtenidos empleando nuevos agentes directores de estructura

González Camuñas, Nuria (Universitat Politècnica de València, 2022-07-14)

[ES] Las zeolitas tradicionalmente se han considerado silicoaluminatos microporosos formados por tetraedros TO4 (T = Si, Al) conectados entre sí, compartiendo átomos de oxígeno dando lugar a canales y cavidades de dimensiones ...
Synthesis of a hybrid Pd-0/Pd-carbide/carbon catalyst material with high for reactions

Garcia-Ortiz, Andrea; Vidal, Juan D.; Iborra Chornet, Sara; Climent Olmedo, María José; Cored-Bandrés, Jorge; Ruano-Sánchez, Daniel; Pérez-Dieste, Virginia; Concepción Heydorn, Patricia; Corma Canós, Avelino (Elsevier, 2020-09)

[EN] We present a highly selective and active Pd carbon catalyst prepared by an easy hydrothermal synthesis method. This synthetic procedure allows the stabilization under mild conditions of interstitial carbon atoms on ...
The Self-Organized Transformation from Hexagonal to Orthorhombic Bronze of Cs-Nb-W-O Mixed Oxides Prepared Hydrothermally

Soriano Rodríguez, Mª Dolores; Garcia-Gonzalez, E.; Concepción Heydorn, Patricia; Rodella, C.B.; López Nieto, José Manuel (American Chemical Society, 2017)

[EN] The thermal transformation of hydrothermally prepared Cs-Nb-W-O mixed oxides has been studied in the 25-1000 degrees C temperature range. Structural evolution of the prepared solids was monitored by in situ synchrotron ...