Sanchis Castelló, Ana(Universitat Politècnica de València, 2016-07-15)
[ES] El presente Trabajo Fin de Grado (TFG) ha consistido en la evaluación de la eficiencia fotocatalitica de
nanoestructuras de dióxido de titanio de elevada área superficial en la eliminación de contaminantes
orgánicos ...
Fernández-Domene, Ramón M.; Sánchez-Tovar, Rita; Roselló-Márquez, Gemma; Batista-Grau, Patricia; Leiva García, Rafael; García-Antón, José(Editorial Universitat Politècnica de València, 2021-02-08)
[ES] La metodología de Aprendizaje Basado en Problemas (ABP) requiere un enfoque de evaluación en el que se evalúen una serie de competencias específicas y transversales. Esta evaluación debe de tener un carácter formativo ...
Sánchez González, Sergio(Universitat Politècnica de València, 2015-07-01)
[ES] El alumno obtendrá nanoestructuras de dióxido de titanio mediante el anodizado electroquímico en electrolitos que contendrán glicerol, agua y fluoruro de amonio. La novedad del trabajo fin de grado radica en la ...
The present work studies the effect of hydrodynamic conditions on the growth of anodic TiO2 nanostructures on Ti in a glycerol/water/NH4F electrolyte. Parameter screening for fluoride content, anodization voltage and ...
[EN] Nowadays, hematite (alpha-Fe2O3) has emerged as a promising photocatalyst for efficient degradation of organic pollutants due to its properties such as suitable band-gap (similar to 2.1 eV), stability against ...
[EN] The present work studies the influence of hydrodynamic conditions (from 0 to 5000 rpm) during Zn anodization process on the morphology, structure and photoelectrocatalytic behavior of ZnO nanostructures. For this ...
La electroquímica es la rama de la química física que estudia la interrelación entre las reacciones químicas y la electricidad. Desde esta disciplina, se abordan los cambios químicos que tienen lugar como consecuencia del ...
[EN] In this work, the galvanic corrosion of the base AISI 316L stainless steel/micro-plasma arc welded AISI 316L stainless steel in phosphoric acid solutions polluted with sulphuric acid and chlorides was studied by means ...
[EN] In this work, the case method has been used in the subject Process and Product Engineering II, which belongs to the fourth course of the Chemical Engineering Degree of the Universitat de València. Different cases have ...
[EN] Problem-Based Learning (PBL) is a teaching methodology which uses comprehensive real-world
problems to introduce the different concepts of the course to students. In this way, PBL methodology
tries to develop, among ...
This study investigates the influence of controlled hydrodynamic conditions during anodization of tungsten (W) on the morphological, electrochemical and photocatalytic properties of a novel WO3 nanostructure: globular ...
[EN] Conversion coatings based on trivalent chromium are more sensitive to the presence of zinc and iron impurities than the chromate formulations. This fact contributes to a decrease in the quality of passivation and to ...
Wang, Yongkai(Universitat Politècnica de València, 2015-04-30)
[ES] El hidrógeno es un vector energético que está ganando cada vez mayor interés como alternativa a los combustibles fósiles. En este trabajo el alumno se centrará en la obtención de hidrógeno a partir de la separación ...
Batista-Grau, P.; Fernández Domene, R. M.; Sánchez-Tovar, R.; Blasco-Tamarit, E.; Solsona, B.; Garcia-Anton, Jose(Elsevier, 2022-08-01)
[EN] In this work, ZnO nanowires with high aspect ratio were obtained by fast and simple electrochemical anodization. Morphological, structural and photoelectrochemical characteristics of the synthesized ZnO nanowires were ...
[EN] The influence of three annealing atmospheres (air, nitrogen and argon) and the use of controlled hydrodynamic conditions (from 0 to 5000 rpm) on morphological, structural, chemical and photoelectrochemical properties ...
[EN] Nanostructured WO3 photoanodes have been synthesized by electrochemical anodization under controlled hydrodynamic conditions in acidic media in the presence of 0.05 M H2O2. Subsequently, samples have been subjected ...
[EN] Iron oxide nanostructures are an attractive option for being used as photocatalyst in photoelectrochemical applications such as water splitting for hydrogen production. Nanostructures can be obtained by different ...
Sánchez Tovar, Rita; Paramasivam, I.; Lee, K.; Schmuki, P.(Royal Society of Chemistry, 2012)
[EN] In the present work we grow anodic TiO2 nanotube layers under defined hydrodynamic conditions using a rotating Ti anode. We show that hydrodynamic control can be beneficially used to achieve two main effects. First, ...
Phosphoric acid is mainly produced by the wet acid process, where corrosion problems could be intensified due to the presence of impurities in the phosphate ores. Operating temperatures and flowing conditions aggravate the ...
Montañés Sanjuan, María Teresa; Sánchez Tovar, Rita; García Antón, José; Pérez Herranz, Valentín(NACE International, 2012)
[EN] The effects of temperature and Reynolds number (Re) on the galvanic corrosion of the copper (UNS C15710)/AISI 304 (UNS S30400) stainless steel pair in a concentrated lithium bromide (LiBr) solution was investigated ...