Browsing by Author "f9e6699d-3adf-48ce-a4fc-1aa6275440dd"
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Anion transport through ceramic electrodialysis membranes made with hydrated cerium dioxide
Mora Gómez, Julia; García Gabaldón, Montserrat; Martí Calatayud, Manuel César; Mestre Beltrán, Sergio; Pérez-Herranz, Valentín Wiley (2017-05)In this research, low-cost ceramic anion-exchange membranes have been developed from porous supports manufactured, using a chamotte as a pore former. An inorganic anion-exchanger (hydrated cerium dioxide) has been deposited ... -
Antimony-doped tin dioxide ceramics used as standalone membrane electrodes in electrofiltration reactors enhance the oxidation of organic micropollutants
Martí Calatayud, Manuel César; Dionís, E.; Mestre Beltrán, Sergio; Pérez-Herranz, Valentín Elsevier (2022-05-30)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 ... -
Ceramic anion-exchange membranes based on microporous supports infiltrated with hydrated zirconium dioxide
Martí Calatayud, Manuel César; García Gabaldón, Montserrat; Pérez-Herranz, Valentín; Sales Pla, Sonia; Mestre Beltrán, Sergio Royal Society of Chemistry (2015-05)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 ... -
CuO improved (Sn,Sb)O2 ceramic anodes for electrochemical advanced oxidation processes
Sánchez-Rivera, María José; Giner Sanz, Juan José; Pérez-Herranz, Valentín; Mestre Beltrán, Sergio American Ceramic Society (2018-12)Antimony‐doped tin oxide electrodes with CuO as sintering aid are presented as an economical alternative to metal‐based electrodes, intended for the electrooxidation process of emerging and recalcitrant organic contaminants ... -
Effect of pore generator on microstructure and resistivity of Sb(2)O(3)and CuO doped SnO(2)electrodes
Sánchez-Rivera, María José; Gozalbo, Ana; Pérez-Herranz, Valentín; Mestre Beltrán, Sergio Springer (2020-08-08)Sb2O3 and CuO doped SnO2 ceramic electrodes could be an alternative to the ones currently used ones in the electrooxidation process of water pollutants. The rise of electrode surface by introducing a porogen agent on the ... -
Effect of the CuO addition on a Sb-doped SnO2 ceramic electrode applied to the removal of Norfloxacin in chloride media by electro-oxidation
Carrillo-Abad, Jordi; Mora Gómez, Julia; García Gabaldón, Montserrat; Ortega, Emma; Mestre Beltrán, Sergio; Pérez-Herranz, Valentín Elsevier (2020-06)Norfloxacin is employed as in veterinary and human medicine against gram-positive and gram-negative bacteria. Due to the ineffective treatment at the wastewater treatment plants it becomes an emergent pollutant. Electro-oxidation ... -
Effect of tin concentration on the electrical properties of ceramic membranes used as separators in electrochemical reactors
García Gabaldón, Montserrat; Pérez-Herranz, Valentín; Sánchez-Vilches, Enrique; Mestre Beltrán, Sergio Elsevier (2008)This paper deals with the study of different microporous ceramic membranes used as separators in electrochemical reactors to treat the activating solutions coming from the electroless plating of polymers. The main component ... -
Effect of type and amount of alumina as dopant over the densification and the electrical properties of zinc oxide ceramic electrodes
Sánchez-Rivera, María José; Orts Tarí, María José; Pérez-Herranz, Valentín; Mestre Beltrán, Sergio Elsevier (2021-02)Aluminum-doped zinc oxide (AZO) electrodes can be a good alternative to replace the expensive electrodes (Ti, ITO, FTO, etc.), which are used in the electrooxidation process to remove refractory and emergent contaminants ... -
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, Emma; Mestre Beltrán, Sergio; Pérez-Herranz, Valentín; García Gabaldón, Montserrat Elsevier (2019)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 ... -
Electrochemical Degradation of Reactive Black 5 using two-different reactor configuration
Droguett, Tamara; Mora Gómez, Julia; García Gabaldón, Montserrat; Ortega, Emma; Mestre Beltrán, Sergio; Cifuentes, Gerardo; Pérez-Herranz, Valentín Nature Research (2020)Novel Sb-doped SnO2 ceramic electrodes sintered at different temperatures, are applied to the degradation of Reactive Black 5 in both divided and undivided electrochemical reactors. In the undivided reactor the discoloration ... -
Enhanced Atenolol oxidation by ferrites photoanodes grown on ceramic SnO2-Sb2O3 anodes
Carrillo-Abad, Jordi; Mora Gómez, Julia; García Gabaldón, Montserrat; Montañés, M.T.; Mestre Beltrán, Sergio; Pérez-Herranz, Valentín Elsevier (2022-03-24)The increase in the consumption of pharmaceutical compounds has caused the increment of their presence in different body waters. β-blockers are one of the most dangerous even at low concentrations (ng L−1). Anodic oxidation ... -
Evaluation of new ceramic electrodes based on Sb-doped SnO2 for the removal of emerging compounds present in wastewater
Mora Gómez, Julia; García Gabaldón, Montserrat; Ortega, Emma; Sánchez-Rivera, María José; Mestre Beltrán, Sergio; Pérez-Herranz, Valentín Elsevier (2018-02-01)The properties of the ceramic electrodes make them interesting for electrochemical advanced oxidation processes (EAOPs), destined to the elimination of emergent or refractory contaminants, as an alternative to boron-doped-diamond ... -
Experimental design applied to improving the effect of bismuth oxide as a sintering aid for tin oxide
Sánchez-Rivera, María José; Gozalbo Nebot, Ana; Pérez-Herranz, Valentín; Mestre Beltrán, Sergio Elsevier (2018)Tin oxide has been extensively studied due to its wide variety of applications. However, its poor sinter ability requires the use of sintering aids for its processing. The sintering behaviour of three different SnO2-based ... -
Improvement of the Electrochemical Behavior of (Sb, Sn, Cu)O Ceramic Electrodes as Electrochemical Advanced Oxidation Anodes
Giner Sanz, Juan José; Sánchez-Rivera, María José; García Gabaldón, Montserrat; Ortega, Emma; Mestre Beltrán, Sergio; Pérez-Herranz, Valentín Wiley (2019-05-02)This work explores the possibility of increasing the active surface of a Sb‐doped SnO2 ceramic electrode using CuO as sintering aid, by incorporating petroleum coke as a pore generator. In order to fulfil this goal, three ... -
Norfloxacin mineralization under light exposure using Sb-SnO2 ceramic anodes coated with BiFeO3 photocatalyst
Domingo Torner, Carlos; García Gabaldón, Montserrat; Martí Calatayud, Manuel César; Mestre Beltrán, Sergio; Pérez-Herranz, Valentín Elsevier (2022-12-07)Advanced Oxidation Processes have been proven to be an efficient way to remove organic pollutants from wastewaters. In this work, a ceramic electrode of Sb–SnO2 (BCE) with a layer of the photocatalytic material BiFeO3 ... -
Novel Sb-doped SnO2 ceramic anode coated with a photoactive BiPO4 layer for the photoelectrochemical degradation of an emerging pollutant
Balseviciute, Adele; Martí Calatayud, Manuel César; Pérez-Herranz, Valentín; Mestre Beltrán, Sergio; García Gabaldón, Montserrat Elsevier (2023-06-08)In the present work, a study about the electrochemical and photoelectrochemical degradation of an emerging pollutant using an Sb-doped SnO2 anode coated with a photocatalytic layer of BiPO4 has been performed. The ... -
Role of starch characteristics in the properties of low-cost ceramic membranes
Lorente Ayza, Maria Magdalena; Orts Tarí, María José; Pérez-Herranz, Valentín; Mestre Beltrán, Sergio Elsevier (2015)Starch is used as porosity generator in membranes and other porous ceramics. A study was conducted to evaluate the effects of the characteristics of starches (impurities, particle size), obtained from potato, pea, maize ... -
Stability of 3D-porous Ni/Cu cathodes under real alkaline electrolyzer operating conditions and its effect on catalytic activity
Valero-Vidal, Carlos; Herraiz Cardona, Isaac; Pérez-Herranz, Valentín; Igual-Muñoz, Anna Elsevier (2016)Despite the development and synthesis of new electrode materials for hydrogen generation in alkaline water electrolyzers has been a research topic widely exploited in the last years, stability tests on the obtained cathodes ... -
Study of lithium carbonate as sintering aid for tin oxide densification trough experimental designs: Main variables and microstructure changes
Sánchez-Rivera, María José; Orts Tarí, María José; Pérez-Herranz, Valentín; Mestre Beltrán, Sergio Elsevier (2022)Tin oxide is one of the most extensively studied semiconductor materials due to its broad field of applications. On the one hand, its high conductivity and its corrosion resistance are the most remarkable properties. ... -
Study of the catalytic activity of 3D macroporous Ni and NiMo cathodes for hydrogen production by alkaline water electrolysis
González Buch, Cristina; Herraiz Cardona, Isaac; Ortega, Emma; García-Antón, J.; Pérez-Herranz, Valentín Springer Verlag (2016)Platinum is the electrode material with the highest catalytic activity for the hydrogen evolution reaction (HER). However, its high cost and scarcity are the two major barriers for its usage in the industrial alkaline water ...