Giner-Sanz, Juan José; Ortega Navarro, Emma María; Pérez-Herranz, Valentín(Elsevier, 2016-08-10)
Electrochemical Impedance Spectroscopy (EIS) is a very powerful tool to study the behaviour of electrochemical systems. Three conditions must be fulfilled during EIS measurements: causality, linearity, and stability. If ...
Corbatón Báguena, María José; Alvarez Blanco, Silvia; Vincent Vela, Maria Cinta; Ortega Navarro, Emma María; Pérez-Herranz, Valentín(Elsevier, 2016)
In this work, the effectiveness of electric fields to clean two ZrO2 TiO2 ultrafiltration (UF) membranes
fouled with three types of whey model solutions was investigated. Membranes tested had different
molecular weight ...
The hydrogen evolution reaction (HER) was studied in 30 wt.% KOH solution at temperatures ranging between 30 and 80 °C on three type of electrodes: (i) rough pure Ni electrodeposits, obtained by applying a large current ...
Bañuls Escrig, Ildefonso José(Universitat Politècnica de València, 2018-01-16)
[ES] El sistema energético mundial está basado en los combustibles fósiles, y éstos conllevan
graves problemas de contaminación además de ser fuentes de energía no renovables.
Una de las nuevas alternativas energéticas ...
Torondel Díaz, Aaron Damián(Universitat Politècnica de València, 2021-10-06)
[ES] Hoy en día aún existen ciertos problemas para lograr la generación de hidrógeno que provenga
de energías renovables, conocido como Hidrógeno Verde. Actualmente se busca mejorar los
métodos de producción de hidrógeno ...
Bujalance Calduch, Carlos(Universitat Politècnica de València, 2019-09-05)
[ES] La producción de hidrógeno como método de almacenamiento de energía está cobrando importancia sobretodo en combinación con las energías renovables. El hidrógeno es generado a partir de agua y energía eléctrica, por ...
Navarro Díaz, Raúl(Universitat Politècnica de València, 2021-02-17)
[ES] En la actualidad, existe una dependencia elevada de los combustibles fósiles. El uso de dichos
combustibles conlleva diversos problemas como la contaminación y el agotamiento de recursos. Para
disminuir la dependencia ...
Martínez Guanter, Marcos(Universitat Politècnica de València, 2016-10-07)
[ES] El agua es uno de los recursos más valiosos del planeta, originando crisis allí donde la
falta de la misma se hace notable. Es además un componente vital en la industria, formando
parte como elemento fundamental de ...
Rotta, Eduardo Henrique(Universitat Politècnica de València, 2023-02-09)
[ES] El fósforo es inherente al mantenimiento de la vida y desempeña un papel fundamental en la producción de alimentos. La inminente escasez de rocas fosfóricas, principal materia prima para la producción de fertilizantes ...
Martí Calatayud, Manuel César; García Gabaldón, Montserrat; Pérez-Herranz, Valentín; Sales, Sonia; Mestre, Sergio(Royal Society of Chemistry, 2015)
Anion-exchange membranes made from inexpensive ceramic materials were synthesized by using a simple procedure based on incorporating particles of an ion exchanger into a host microporous structure. Microporous ceramics ...
[EN] The structural degradation of an anion-exchange membrane used on the separation of phosphate from sulfate ions at overlimiting current density conditions was investigated. To this, the chemical structure changes, ...
Martí Calatayud, Manuel César; García Gabaldón, Montserrat; Pérez-Herranz, Valentín; Sales, Sonia; Mestre, Sergio(Taylor & Francis, 2013-01)
In this article, the innovative cation-exchange membranes obtained from ceramic materials are
presented. Different microporous ceramic supports were obtained from an initial mixture of
alumina and kaolin, to which a ...
Gally, C.; García Gabaldón, Montserrat; Ortega Navarro, Emma María; Bernardes, A.M.; Pérez-Herranz, Valentín(Elsevier, 2020-05-01)
[EN] Phosphate is the main cause of eutrophication in many water bodies. Its presence in waters is associated to the fact that is not completely removed in conventional wastewater treatment plants. On the other side, ...
Santana Barros, Kayo; Martí Calatayud, Manuel César; Ortega Navarro, Emma María; Pérez-Herranz, Valentín; Espinosa, Denise Crocce Romano(Elsevier, 2020-12-15)
[EN] The use of EDTA as a complexing agent in electrodialysis has gained increasing attention in several industrial applications. Variations in pH at the membrane surface are known to alter the chemical equilibrium of EDTA ...
[EN] In this work, high performance Ni and Ni-Co porous electrodes are prepared using the Raney strategy by galvanic co-deposition for hydrogen evolution reaction (HER) in alkaline solution (KOH 30 wt.%). The incorporation ...
[EN] The electrochemical oxidation of the antibiotic Norfloxacin (NOR) in chloride media on different anodic materials was studied at two different electrochemical reactors. The results were compared with those obtained ...
Domingo-Torner, Carlos; Pérez-Herranz, Valentín; Martí Calatayud, Manuel César; Mestre, S.; García Gabaldón, Montserrat(Elsevier, 2023-10)
[EN] In this work, a comparison between novel photoanodes based on Sb-SnO2 (BCE) coated with BiFeO3 (BFO-BCE) and Bi2WO6 (BWO-BCE) was carried out. An improvement in the catalytic activity of the electrodes under light ...
Medrano Dolz, Sara(Universitat Politècnica de València, 2011-11-24)
El control del pH en procesos de neutralización es complicado por la no linealidad del sistema y la sensibilidad frente a alteraciones entorno al punto de equivalencia. Debido a esto, los controladores convencionales de ...