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Listar por autor "Delgado Muñoz, Daniel"

Mostrando ítems 1-19 de 19

Catalytic valorization of natural gas and biomass-derived feedstocks by metal oxides

Delgado Muñoz, Daniel (Universitat Politècnica de València, 2019-06-11)

[ES] La presente tesis doctoral se sitúa en el marco de la actual transición energética, que plantea la sustitución progresiva de materias primas de origen fósil por fuentes renovables, tanto para la obtención de productos ...
Enhanced NiO Dispersion on a High Surface Area Pillared Heterostructure Covered by Niobium Leads to Optimal Behaviour in the Oxidative Dehydrogenation of Ethane

Rodríguez-Castellón, Enrique; Delgado-Muñoz, Daniel; Dejoz, Ana; Vázquez, Isabel; Agouram, Said; Cecilia, Juan A.; Solsona, Benjamín; López Nieto, José Manuel (John Wiley & Sons, 2020-07-27)

[EN] A Nb-containing siliceous porous clay heterostructure (PCH) with Nb contents from 0 to 30 wt %) was prepared from a bentonite and used as support in the preparation of supported NiO catalysts with NiO loading from 15 ...
Furfural Hydrogenation on Modified Niobia

Jouve, Andrea; Cattaneo, Stefano; Delgado-Muñoz, Daniel; Scotti, Nicola; Evangelisti, Claudio; López Nieto, José Manuel; Prati, Laura (MDPI AG, 2019-06-01)

[EN] In this study, niobia-based materials have been used as supports for Pt nanoparticles and used in the hydrogenation of furfural. The incorporation of dopants (W6+ and Ti4+) in the Nb2O5 structure induced modifications ...
Gas phase dehydration of glycerol to acrolein over WO3-based catalysts prepared by non-hydrolytic sol-gel synthesis

Nadji, L.; Masso Ramírez, Amada; Delgado-Muñoz, Daniel; Isaadi, R.; Rodríguez-Aguado, E.; Rodriguez-Castellon, E.; López Nieto, José Manuel (The Royal Society of Chemistry, 2018)

[EN] Solid acid catalysts based on WO3¿SiO2 and WO3¿ZrO2¿SiO2 were prepared by one-pot non-hydrolytic sol¿gel method and tested in the gas phase glycerol dehydration to acrolein. Their structural and textural characteristics ...
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, ...
Influence of the Nature of the Promoter in NiO Catalysts on the Selectivity to Olefin During the Oxidative Dehydrogenation of Propane and Ethane

Delgado Muñoz, Daniel; Sanchis, Rut; Solsona Espriu, Benjamin Eduardo; Concepción Heydorn, Patricia; López Nieto, José Manuel (Springer-Verlag, 2020-12)

[EN] A comparative study of the catalytic properties for the oxidation of C2-C3 alkanes and olefins has been carried out over unpromoted and M-promoted NiO catalysts (Me¿=¿K, La, Ce, al, Zr, Sn, Nb). The catalysts have ...
Mixed metal oxide bronzes as catalysts for the gas-phase aerobic transformation of glycerol to acrylic acid: Single or double catalytic bed approaches

De Arriba-Mateos, Agustín; Delgado-Muñoz, Daniel; Concepción Heydorn, Patricia; López Nieto, José Manuel (Elsevier, 2025-01-01)

[EN] Metal-doped hexagonal tungsten oxide bronzes (h-WVOx and h-WNbOx) and metal-doped orthorhombic molybdenum oxide bronzes-M1 type (MoVOx, MoVTeOx and MoVTeNbOx) have been synthesized hydrothermally and heat-treated at ...
NiO diluted in high surface area TiO2 as efficient catalysts for the oxidative dehydrogenation of ethane

Sanchis, R.; Delgado-Muñoz, Daniel; Agouram, S.; Soriano Rodríguez, Mª Dolores; Vázquez, M. I.; Rodriguez-Castellon, E.; Solsona, B.; López Nieto, José Manuel (Elsevier, 2017-04-25)

[EN] Catalysts consisting of NiO diluted in high surface area TiO2 can be as efficient in the oxidative dehydrogenation of ethane as the most selective NiO-promoted catalysts reported previously in the literature. By ...
Obtención de ácido acrílico a partir de glicerol en proceso "one-pot" utilizando catalizadores de estructura HTB Ce/W/O/V

Oviedo Carrillo, María José (Universitat Politècnica de València, 2019-10-29)

[ES] El objetivo de este trabajo de Tesis Final de Master es poder observar la eficacia y selectividad de catalizadores con estructura de Bronce Tungsteno Hexagonal (HTB), basados en tungsteno ¿wolframio¿ y vanadio que ...
Oxidative dehydrogenation of ethane on diluted or promoted nickel oxide catalysts: Influence of the promoter/diluter

Delgado, D.; Solsona, B.; Sanchis, R.; Rodríguez-Castellón, E.; López Nieto, José Manuel (Elsevier, 2021-03-01)

[EN] Ti- and Nb- containing NiO catalysts have been synthesized by two different preparation methods: i) by precipitation (Me-Ni-O oxides, Me = Nb or Ti), in order to prepare promoted NiO catalysts; and ii) by wet impregnation ...
Partial oxidation of methane and methanol on FeOx-, MoOx- and FeMoOx-SiO2 catalysts prepared by sol-gel method: A comparative study

Cortés Ortiz, William G.; Delgado-Muñoz, Daniel; Guerrero Fajardo, Carlos Alberto; Agouram, Said; Sanchís, Ruth; Solsona, Benjamín; López Nieto, José Manuel (Elsevier, 2020-08)

[EN] FeOx-, MoOx and FeMoOx-SiO2 materials prepared by a sol-gel procedure have been evaluated as catalysts for the partial oxidation of methane and methanol. The effect of decreasing the pH of the synthesis gel on the ...
Redox and Catalytic Properties of Promoted NiO Catalysts for the Oxidative Dehydrogenation of Ethane

Delgado-Muñoz, Daniel; SOLSONA ESPRIU, BENJAMIN EDUARDO; Ykrelef, A.; Rodriguez-Gomez, A.; Caballero, A.; Rodríguez-Aguado, E.; Rodriguez-Castellón, E.; López Nieto, José Manuel (American Chemical Society, 2017-11-16)

[EN] NiO and metal-promoted NiO catalysts (M-NiO, with a M/(M+Ni) atomic ratio of 0.08, with M = Nb, Sn, or La) have been prepared, tested in the oxidative dehydrogenation (ODH) of ethane, and characterized by means of ...
Reflux-synthesized bulk and diluted W-Nb-O mixed oxide bronzes for the valorization of short-chain oxygenates aqueous mixtures

Delgado-Muñoz, Daniel; Fernández-Arroyo, A.; La Salvia, N.; Domine, Marcelo Eduardo; López Nieto, José Manuel (Elsevier, 2019-11)

[EN] This work reports the preparation of bulk and KIT-6-diluted W-Nb-O mixed oxide bronzes by a reflux method. The influence of the incorporation of Nb and a mesoporous silica on the physicochemical features of the catalysts ...
Support effects on NiO-based catalysts for the oxidative dehydrogenation (ODH) of ethane

Delgado-Muñoz, Daniel; Sanchís, R.; Cecilia, J. A.; Rodríguez-Castellón, E.; Caballero, A.; Solsona, B.; López Nieto, José Manuel (Elsevier, 2019-08-01)

[EN] We report on the effect of NiO-support interactions on the chemical nature of Ni species in a series of supported NiO catalysts for the ODH of ethane. SiO2, TiO2-anatase, a high surface area TiO2 and a porous clay ...
The nickel-support interaction as determining factor of the selectivity to ethylene in the oxidative dehydrogenation of ethane over nickel oxide/alumina catalysts

Abdelbaki, Yousra; De Arriba-Mateos, Agustín; Solsona Espriu, Benjamin Eduardo; Delgado Muñoz, Daniel; Garcia-Gonzalez, Ester; Issaadi, Rachid; López Nieto, José Manuel (Elsevier, 2021-08-05)

[EN] Nickel oxides supported on gamma-alumina (Ni-loading from 5 to 30 wt% NiO) have been synthesized and tested in the oxidative dehydrogenation (ODH) of ethane in order to determine the importance of the NiO-support ...
Tungsten-niobium oxide bronzes: a bulk and surface structural study

Delgado-Muñoz, Daniel; Concepción Heydorn, Patricia; Trunschke, Annette; López Nieto, José Manuel (The Royal Society of Chemistry, 2020-10-14)

[EN] Materials from the WO3-Nb2O5 system, presenting bronze-type crystal structures, display outstanding functional properties for several applications as thermoelectric materials, lithium-ion battery electrodes, or ...
Tungsten-titanium mixed oxide bronzes: Synthesis, characterization and catalytic behavior in methanol transformation

Delgado-Muñoz, Daniel; Soriano Rodríguez, Mª Dolores; Solsona Espriu, Benjamín Eduardo; Zamora Blanco, Segundo; Agouram, Said; Concepción Heydorn, Patricia; López Nieto, José Manuel (Elsevier, 2019-07-25)

[EN] Tungsten oxide bronze-based materials show extremely adaptive structural and compositional features that make them suitable for functional properties modulation. Herein we report the preparation of a series of ...
Upgrading of oxygenated compounds present in aqueous biomass-derived feedstocks over NbOx-based catalysts

Fernandez-Arroyo, A.; Delgado-Muñoz, Daniel; Domine, Marcelo Eduardo; López Nieto, José Manuel (The Royal Society of Chemistry, 2017-12-07)

[EN] The influence of synthesis and post-synthesis procedures of different niobium oxides on their catalytic performance in the aqueous phase condensation of oxygenated compounds is studied. Hydrothermally synthesized ...
W-Nb-O oxides with tunable acid properties as efficient catalysts for the transformation of biomass-derived oxygenates in aqueous systems

Delgado-Muñoz, Daniel; Fernández-Arroyo, Alberto; Domine, Marcelo Eduardo; García-González, Ester; López Nieto, José Manuel (The Royal Society of Chemistry, 2019-06-21)

[EN] W-Nb-O oxide bronzes, prepared hydrothermally, have been characterized and studied as catalysts for both the gas-phase dehydration of glycerol and the liquid-phase selective condensation of light oxygenates derived ...