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Listar por palabra clave "Tungsten"

Mostrando ítems 1-7 de 7

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 ...
Crack Free Tungsten Carbide Reinforced Ni(Cr) Layers obtained by Laser Cladding

Amado Paz, José Manuel; Tobar Vidal, María José; Yañez Casal, Armando Jose; Amigó Borrás, Vicente; Candel Bou, Juan José (Elsevier, 2011-04-15)

[EN] The development of hardfacing coatings has become technologically significant in many industries A common approach is the production of metal matrix composites (MMC) layers. In this work NiCr-WC MMC hardfacing layers ...
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, ...
Promoted hexagonal tungsten bronzes as selective catalysts in the aerobic transformation of alcohols: glycerol and methanol

Soriano Rodríguez, Mª Dolores; Chieregato, A.; Zamora Blanco, Segundo; Basile, F.; Cavani, F.; López Nieto, José Manuel (Springer Verlag (Germany), 2016-02)

[EN] M-containing tungsten oxides bronzes (M = Ti, Nb or V) with hexagonal tungsten bronze (HTB) structure have been investigated as catalysts for the aerobic transformation of glycerol and methanol. The catalysts were ...
Síntesis, caracterización y comportamiento catalítico de bronces de óxidos metálicos como catalizadores en la oxidación selectiva de sulfuro

Molina Castellanos, Javier (Universitat Politècnica de València, 2013-06-24)

[ES] El objetivo del proyecto es la aplicación y análisis de bronces de wolframio-vanadio hexagonales para la oxidación parcial de sulfuro de hidrógeno a azufre elemental. Para esto se han realizado distintos estudios ...
Study on the Hydrogenation of Ethyl Stearate to the Fatty Alcohol 1-Octadecanol over Ru on Tungstated Zirconia

Quintero-Ramos, Diego; Checa, Manuel; Jorda Moret, Jose Luis; Sabater Picot, Mª José (MDPI AG, 2023-10)

[EN] Fatty alcohols are important products in the chemical industry, given that they are frequently used in the formulation of surfactants and lubricants. In this context, this work describes a catalytic heterogeneous ...
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 ...