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Listar por palabra clave "Electrochemical oxidation"

Mostrando ítems 1-17 de 17

An electrochemical Study of Phenol Oxidation in Acidic Medium

Xavier, J.L.N.; Ortega Navarro, Emma María; Ferreira, J.Z.; Bernardes, A.M.; Pérez-Herranz, Valentín (Electrochemical Science Group, 2011-03-01)

[EN] This work addresses the electrooxidation of phenol on platinum electrodes applying cyclic voltametry. The effect of different parameters on the electrooxidation of phenol, such as the scan rate, the inversion potential, ...
Analysis of norfloxacin ecotoxicity and the relation with its degradation by means of electrochemical oxidation using different anodes

Montañés, Maria-Teresa; García Gabaldón, Montserrat; Roca-Pérez, Ll.; Giner-Sanz, Juan José; Mora-Gómez, Julia; Pérez-Herranz, Valentín (Elsevier, 2020-01-30)

[EN] In this work, ecotoxicological bioassays based on Lactuca sativa seeds and bioluminescent bacterium (Vibrio fischeri) have been carried out in order to quantify the toxicity of Norfloxacin (NOR) and sodium sulfate ...
Antibiotics mineralization by electrochemical and UV-based hybrid processes: evaluation of the synergistic effect

da Silva, Salatiel W.; Heberle, Alan N.A.; Santos, Alexia P.; Rodrigues, M.A.S.; Valentín Pérez-Herranz; Bernardes, A.M. (Taylor & Francis, 2018)

[EN] Antibiotics are not efficiently removed in conventional wastewater treatments. In fact, different advanced oxidation process (AOPs), including ozone, peroxide, UV radiation, among others, are being investigated in ...
Antimony-doped tin dioxide ceramics used as standalone membrane electrodes in electrofiltration reactors enhance the oxidation of organic micropollutants

Martí Calatayud, Manuel César; Dionis, E.; Mestre, S.; Pérez-Herranz, Valentín (Elsevier, 2022-08-20)

[EN] In the present work, microporous ceramics made of antimony-doped tin dioxide produced using a facile synthesis procedure were evaluated during the degradation of norfloxacin in a novel electrofiltration process. The ...
Dating archaeological lead artifacts from measurement of the corrosion content using the voltammetry of microparticles

Domenech Carbo, Mª Teresa; Domenech Carbo, Antonio; Peiró Ronda, María Amparo (American Chemical Society, 2011-05-23)

A methodology for dating archeological lead artifacts based on the voltammetry of microparticles is described. This methodology is based on the comparison of the height of speci¿c voltammetric features from PbO2 and PbO ...
DISEÑO DE UN REACTOR ELECTROQUÍMICO PARA LA ELIMINACIÓN DE CONTAMINANTES FARMACÉUTICOS EN LAS AGUAS NEGRAS DE UN HOSPITAL DE 1000 CAMAS

Bain, Jennifer (Universitat Politècnica de València, 2021-06-18)

[EN] Water pollution by toxic pharmaceutical pollutants has been highlighted as a global environmental issue in recent years. As conventional wastewater treatment is inefficient at degrading recalcitrant organics, there ...
Effect of the anode material, applied current and reactor configuration on the atenolol toxicity during an electrooxidation process

Montañés, Maria-Teresa; García Gabaldón, Montserrat; Giner-Sanz, Juan José; Mora-Gómez, Julia; Pérez-Herranz, Valentín (Elsevier, 2024-03-15)

[EN] Atenolol (ATL) is a beta-blocker pharmaceutical product which is excreted mainly unchanged and may represent a long-term risk for organisms present in the sea and in fresh water. Due to its low biodegradation rate, ...
Electro-oxidation of cyanide on active and non-active anodes: Designing the electrocatalytic response of cobalt spinels

Berenguer, R.; Quijada, César; La Rosa-Toro, A.; Morallón, E. (Elsevier, 2019-01-08)

[EN] The feasibility of the electrochemical technologies for wastewater treatment greatly relies on the design of efficient but inexpensive electrocatalysts. It is generally accepted that the so-called ¿non-active¿ anodes ...
Electrochemical degradation of norfloxacin using BDD and new Sb-doped SnO2 ceramic anodes in an electrochemical reactor in the presence and absence of a cation-exchange membrane

Mora-Gómez, Julia; Ortega Navarro, Emma María; Mestre, S.; Pérez-Herranz, Valentín; García Gabaldón, Montserrat (Elsevier, 2019-01-08)

[EN] Electrochemical oxidation of Norfloxacin (NOR) in sodium sulphate media has been comparatively studied in an undivided and in a divided electrolytic cell both containing either a boron doped diamond (BDD) or a novel ...
Estudio de la degradación de microplásticos mediante oxidación electroquímica en presencia de diferentes materiales de electrodo

García Martín, Gema (Universitat Politècnica de València, 2024-10-07)

[ES] El agua es un recurso fundamental para la vida y los ecosistemas que está siendo contaminado principalmente por desechos industriales, agrícolas y domésticos. Entre los numerosos contaminantes existentes, los más ...
Estudio de la degradación electroquímica del Atenolol mediante electrodos cerámicos de SnO2 dopados con óxidos de Sb y Fe

Vázquez Rodríguez, Inés (Universitat Politècnica de València, 2021-02-01)

[ES] La presencia de contaminantes emergentes como los fármacos en efluentes acuosos es un problema de creciente preocupación actualmente, ya que está presente tanto en ríos españoles como internacionales, pudiendo tener ...
ESTUDIO DEL EFECTO DEL pH EN LA DEGRADACIÓN ELECTROQUÍMICA DE NARANJA DE METILO UTILIZANDO DIFERENTES ÁNODOS

Jiménez Lozoya, Sergio (Universitat Politècnica de València, 2019-10-01)

[ES] La industria textil es una de las principales causantes de la disminución en la calidad del agua, debido a los compuestos químicos presentes en sus efluentes. Entre estas sustancias se encuentran los colorantes ...
Evaluation of an electrochemical membrane reactor for the removal of beta-blocker compound from water

Arenhart-Heberle, Alan Nelson; Vianna, Giulia Grimaldi Falavigna; da Silva, Salatiel Wohmuth; Pérez-Herranz, Valentín; Moura Bernardes, Andrea (Elsevier, 2022-06)

[EN] As part of the Brazilian Popular Pharmacy Program, the beta-blocker Atenolol (ATN) is widely used, and its presence in the environmental ecosystems is a reality. Aiming the ATN removal, the use of an electrochemical ...
Influence of the reactor configuration and the supporting electrolyte concentration on the electrochemical oxidation of Atenolol using BDD and SnO2 ceramic electrodes

Mora-Gómez, Julia; García Gabaldón, Montserrat; Carrillo-Abad, Jordi; Montañés, Maria-Teresa; Mestre, S.; Pérez-Herranz, Valentín (Elsevier, 2020-06-15)

[EN] Electrochemical oxidation of ß-blocker atenolol (ATL, 100 ppm) at different applied current densities (33, 50 and 83 mA·cm-2) using a reactor divided by an ion-exchange membrane and an undivided one was investigated. ...
Regeneration of hexavalent chromium from a simulated rinse etching solution using an electrochemical reactor with two compartments separated by a ceramic membrane

García Gabaldón, Montserrat; Pérez Herranz, Valentín; Reyes, Herry (2011-05)

[EN] The performance of a batch electrochemical reactor with two compartments separated by a ceramic diaphragm for the regeneration of Cr(VI) from a simulated rinse etching solution has been studied under constant cell ...
Study of the chlorfenvinphos pesticide removal under different anodic materials and different reactor configuration

Mora-Gómez, Julia; Escribá-Jiménez, S.; Carrillo-Abad, J.; García Gabaldón, Montserrat; Montañés, Maria-Teresa; Mestre, S.; Pérez-Herranz, Valentín (Elsevier, 2022-03)

[EN] The present manuscript focuses on the study of the electrochemical oxidation of the insecticide Chlorfenvinphos (CVP). The assays were carried out under galvanostatic conditions using boron-doped diamond (BDD) and ...
Using p-Si/BDD anode for the electrochemical oxidation of norfloxacin

Wohlmuth da Silva, Salatiel; Ortega Navarro, Emma María; Siqueira Rodrigues, Marco A.; Moura Bernardes, Andréa; Pérez-Herranz, Valentín (Elsevier, 2019-01-01)

[EN] This study evaluated the electrochemical advanced oxidation process (EAOP) using boron-doped diamond (p-Si/BDD) anode in the abatement of the antibiotic norfloxacin (NOR). The influence of the applied current density ...