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Browsing by Author "Sánchez Tovar, Rita"

Now showing items 1-20 of 101

A pH Study for the Degradation of Acetaminophen with Iron Oxide Nanostructures

Lucas-Granados, Bianca; Sánchez Tovar, Rita; Fernández Domene, Ramón Manuel; Garcia-Anton, Jose (AIDIC Servizi, 2019-04-30)

[EN] Nowadays, there is an increasing interest in the degradation of organic compounds in wastewater, since they are detrimental for the water quality. Different metal oxides have been studied as photocatalysts ...
A simple method to fabricate high-performance nanostructured WO3 photocatalysts with adjusted morphology in the presence of complexing agents

Fernández Domene, Ramón Manuel; Sánchez Tovar, Rita; Lucas-Granados, Bianca; Roselló-Márquez, Gemma; Garcia-Anton, Jose (Elsevier, 2017)

[EN] The rich and complex chemistry of tungsten was employed to synthesize innovative WO3 nanoplatelets/nanosheets by simple anodization in acidic electrolytes containing different concentrations of complexing agents or ...
Avaluació d'assignatures d'experimentació amb metodologies diverses

Montañés Sanjuan, María Teresa; Palomares Gimeno, Antonio Eduardo; Muñoz Portero, María José; Sánchez Tovar, Rita (Universitat de Barcelona, 2011)

[CA] L’avaluació d’assignatures desenvolupades exclusivament al laboratori és una tasca complexa que requereix l’ús de diverses metodologies per aconseguir una valoració completa dels coneixements, les aptituds, les ...
Cathodoluminescence characterization of Zno/Zns nanostructures anodized under hydrodynamic conditions

Sanz-Marco, Arturo; Sánchez Tovar, Rita; Montes Bajo, Miguel; Fernández Domene, Ramón Manuel; Garcia-Anton, Jose (Elsevier, 2018)

[EN] ZnO/ZnS nanostructures were successfully synthesized by a simple electrochemical anodization of zinc in a glycerol based electrolyte containing sulfide-ammonium fluoride. The influence of different hydrodynamic ...
Characterization of thermal oxide films formed on a duplex stainless steel by means of confocal-Raman microscopy and electrochemical techniques

Sánchez Tovar, Rita; Leiva García, Rafael; García Antón, José (Elsevier, 2015-02-02)

In this work oxide films have been developed on the surface of a duplex stainless steel (UNS 1.4462) using high temperature confocal microscopy to follow their growth. The characteristics of these oxide films have been ...
Comparison of the effect of non-polluted and underwater-volcano-polluted seawater on the corrosion resistance of different stainless steels

Fernández Domene, Ramón Manuel; Sánchez Tovar, Rita; Escrivá Cerdán, Clara; Leiva García, Rafael; Garcia-Anton, Jose (Wiley, 2015-11)

This work compares the effect of non-polluted and underwater-volcano-polluted seawater on the electrochemical behavior of two different alloys, notably an austenitic stainless steel (SS) and a duplex stainless steel. ...
Contribution of the flowing conditions to the galvanic corrosion of the copper/AISI 316L coupling in highly concentrated LiBr solutions

Sánchez Tovar, Rita; Montañés Sanjuan, María Teresa; García Antón, José (Elsevier, 2013-03)

The galvanic corrosion of copper/AISI 316L stainless steel couples has been studied under different temperatures and flowing conditions in heavy LiBr brines. The mixed potential theory, zero-resistance ammeter and weight ...
Controlled hydrodynamic conditions on the formation of iron oxide nanostructures synthesized by electrochemical anodization: Effect of the electrode rotation speed

Lucas-Granados, Bianca; Sánchez Tovar, Rita; Fernández Domene, Ramón Manuel; Garcia-Anton, Jose (Elsevier, 2017-01-15)

[EN] Iron oxide nanostructures are of particular interest because they can be used as photocatalysts in water splitting due to their advantageous properties. Electrochemical anodization is one of the best techniques to ...
Corrosion behaviour of micro-plasma arc welded stainless steels in H3PO4 under flowing conditions at different temperatures

Sánchez Tovar, Rita; Montañés Sanjuan, María Teresa; García Antón, José; Guenbour, A.; Ben Bachir, A. (Elsevier, 2011-04)

[EN] This paper studies the general corrosion behaviour of the micro-plasma arc welded AISI 316L stainless steel in phosphoric acid at different temperatures (25-60°C) and at a Reynolds number of 1456. Galvanic corrosion ...
Corrosión

Sánchez Tovar, Rita; Fernández Domene, Ramón Manuel; Lucas Granados, Bianca; García Antón, José (Editorial Universitat Politècnica de València, 2018-07-31)

Esta obra pretende hacer entender al lector los principios básicos de los fenómenos de la corrosión y sus mecanismos.Para ello,se han estructurado los contenidos en distintos capítulos en los que se explican con detalle ...
Cu-Ga3+-doped wurtzite ZnO interface as driving force for enhanced methanol production in co-precipitated Cu/ZnO/Ga2O3 catalysts

Cored, Jorge; Wittee, Christian; Liu, Lichen; Soriano-Rodríguez, José; Agostini, Giovanni; Solsona, Benjamin; Sánchez-Tovar, Rita; Concepción Heydorn, Patricia (Elsevier, 2022-03)

[EN] A detailed understanding of the interactions among the active components in gallium promoted Cu/ZnO catalysts, depending on the speciation of the gallium, are reported using in situ/operando spectroscopic studies, and ...
Customized WO3 nanoplatelets as visible-light photoelectrocatalyst for the degradation of a recalcitrant model organic compound (methyl orange)

Fernández Domene, Ramón Manuel; Sánchez Tovar, Rita; Lucas-Granados, Bianca; García-Zamora, Carlos Samuel; Garcia-Anton, Jose (Elsevier, 2018-04-01)

[EN] WO3 nanoplatelets have been synthesized by electrochemical anodization in acidic electrolytes containing two different complexing agents: fluorides and hydrogen peroxide. The influence of the morphology and size of ...
Degradation of Diazinon based on photoelectrocatalytic technique using enhanced WO3 nanostructures: Mechanism and pathway

Roselló-Márquez, Gemma; Fernández-Domene, Ramón Manuel; Sánchez-Tovar, Rita; Cifre-Herrando, Mireia; Garcia-Anton, Jose (Elsevier, 2021-08)

[EN] In this work, a resistant and toxic pesticide called diazinon was degraded through the photoelectrocatalysis (PEC) technique using tungsten oxide (WO3) nanostructures, applying an external bias of 1VAg/AgCl and simulated ...
Desarrollo de nanoestructuras de ZnO mediante anodizado electroquímico en diferentes condiciones para su aplicación en el área energética

Batista Grau, Patricia (Universitat Politècnica de València, 2021-09-02)

[ES] La presente Tesis Doctoral se centra en el desarrollo de nanoestructuras de óxido de zinc (ZnO) mediante anodizado electroquímico en diferentes condiciones para su aplicación en el área energética, en particular, en ...
Design of a survey to evaluate problem-based learning methodology in a corrosion course

Sánchez-Tovar, R.; Fernández-Domene, R.M.; Lucas-Granados, B.; Blasco-Tamarit, E.; Garcia-Anton, Jose (IATED, 2019-03-13)

[EN] Problem Based Learning (PBL) methodology was introduced for the first time in a Corrosion course from the Master of Chemical Engineering of the Universitat Politècnia de València, Spain. Different problems involving ...
Diseño de nanoestructuras de TiO2 para incrementar su eficiencia como fotocatalizador

Gil Espert, Nadia (Universitat Politècnica de València, 2018-10-03)

[ES] A causa de la problemática energética y la sobreexplotación de los recursos naturales, es interesante encontrar nuevos combustibles cuya generación provenga de fuentes de energía renovables, como es el caso del hidrógeno ...
Diseño de nuevas nanoestructuras híbridas de TiO2-WO3 modificadas con ácido citrico para aplicaciones energéticas y medioambientales

Ibáñez Arlandis, Laura (Universitat Politècnica de València, 2021-10-26)

[ES] Los nanotubos de dióxido de titanio (TiO2) tienen cada vez un mayor interés a nivel científico en virtud de sus excelentes propiedades y aplicación en diferentes campos como la fotocatálisis, celdas solares fotose ...
DISEÑO DE UNA INSTALACIÓN PARA LA PRODUCCIÓN DE ENERGÍA ELÉCTRICA EN UNA PLANTA DE CLASIFICACIÓN DE ENVASES A PARTIR DEL RECHAZO GENERADO EN LA MISMA

Martínez Laosa, Belén (Universitat Politècnica de València, 2017-10-16)

[ES] El objetivo principal es dar una solución alternativa al rechazo generado en una planta de clasificación de envases ligeros (residuos del contenedor amarillo), los cuales actualmente se llevan a vertedero controlado ...
DISEÑO Y PUESTA A PUNTO DE UN PROTOCOLO PARA DETERMINAR LA EFICIENCIA DE LA ELIMINACIÓN DE CONTAMINANTES ORGÁNICOS MEDIANTE FOTOELECTROCATÁLISIS. APLICACIÓN AL NARANJA DE METILO

Amador Gandía, Gonzalo (Universitat Politècnica de València, 2016-09-19)

[ES] El objetivo principal del TFG es poner a punto un método para evaluar la eficiencia de la eliminación de contaminantes orgánicos mediante la técnica de fotoelectrocatálisis y aplicarlo a la eliminación de naranja de ...
Effect of different micro-plasma arc welding (MPAW) processes on the corrosion of AISI 316L SS tubes in LiBr and H3PO4 solutions under flowing conditions

Sánchez Tovar, Rita; Montañés, Maria-Teresa; Garcia-Anton, Jose (Elsevier, 2010)

[EN] This work studies the corrosion under flowing conditions of four kinds of AISI 316L materials welded by the micro-plasma arc welding technique in different media: a basic (LiBr) and an acidic (H3PO4) solution by means ...