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Listar por palabra clave "Electrodialysis"

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A review of cleaner production in electroplating industries using electrodialysis

Scarazzato, Tatiana; Panossian, Z.; Tenório, J.A.S.; Pérez-Herranz, Valentín; Espinosa, D.C.R. (Elsevier, 2017-12-01)

[EN] Cleaner production is an industrial preventive strategy created to promote benefits for the environment and for human beings. Its basic principle lies in using natural energy resources in an efficient way and yet in ...
Achievements in electrodialysis processes for wastewater and water treatment

Scarazzato, Tatiana; Santana-Barros, Kayo; Benvenutid, T; Rodriguese, M.A.S.; Espinosaa, D.C.R.; Bernardesb, A.M.B.; Amado, F.D.R.; Pérez-Herranz, Valentín (Elsevier, 2020)

Electrodialysis is a mature technology that exceeded the boundaries of brackish water desalination and continuously shows its adaptability for several applications. Alongside with the evolution of ion-exchange membranes, ...
Boosting nutrient recovery from AnMBR effluent by means of electrodialysis technology: Operating parameters assessing

Ruiz-Barriga, Patricia; Serralta Sevilla, Joaquín; Bouzas, A.; Carrillo-Abad, Jordi (Elsevier, 2024-09)

[EN] This work describes a comprehensive assessment of operating parameters of a bench-scale electrodialysis (ED) plant for nutrient concentration from an Anaerobic Membrane BioReactor (AnMBR) effluent. The ED bench-scale ...
Caracterização de membranas aniônicas e avaliação do transporte de íons fosfato em um sistema de eletrodiálise

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 ...
Chronopotentiometric study of ceramic cation-exchange membranes based on zirconium phosphate in contact with nickel sulfate solutions

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 ...
Closing the loop: phosphorus recovery from sewage sludge by electrodialysis for sustainable resource management

Brisa Martín, Mireia (Universitat Politècnica de València, 2024-10-29)

[ES] En la búsqueda de la sostenibilidad y la eficiencia de los recursos, los enfoques innovadores de la gestión de residuos y el uso de los recursos se han vuelto esenciales. Este proyecto se centra en los lodos de ...
Effect of the equilibria of multivalent metal sulfates on the transport through cation-exchange membranes at different current regimes

Martí Calatayud, Manuel César; García Gabaldón, Montserrat; Pérez-Herranz, Valentín (Elsevier, 2013-09-15)

The transport of trivalent metals (Cr(III) and Fe(III)) through cation-exchange membranes is studied and compared with the transport of mono- and divalent ions by means of chronopotentiometry and current-voltage characteristics. ...
Electrodialysis for concentrating cobalt, chromium, manganese, and magnesium from a synthetic solution based on a nickel laterite processing route

Feijoo, G. C.; Santana-Barros, Kayo; Scarazzato, T.; Espinosa, D.C.R. (Elsevier, 2021)

[EN] Due to environmental and human health concerns, the need for cleaner techniques able to extract and recover metals from mining process solutions has been increasing. In this work, the use of electrodialysis for ...
Electrodialysis for the tertiary treatment of municipal wastewater: Efficiency of ion removal and ageing of ion exchange membranes

Rodrigues Gally, Caline; Benvenuti, Tatiane; da Trinidade, Carolina de Moraes; Siqueira Rodrigues, Marco Antonio; Zoppas Ferreira, Jane; Pérez-Herranz, Valentín; Moura Bernardes, Andréa (Elsevier, 2018-10)

[EN] Electrodialysis was applied as a tertiary treatment for effluents from a Brazilian sewage treatment plant, and the results are discussed in terms of membrane ageing and process efficiency. Current-voltage analysis and ...
Estudio de la dinámica del transporte en sistemas de electrodiálisis de aniones orgánicos obtenidos a partir de recursos renovables

Balseviciute, Adele (Universitat Politècnica de València, 2020-10-13)

[ES] En este trabajo se estudiará la dinámica del transporte de aniones orgánicos obtenidos a partir de recursos renovables y concentradas mediante electrodiálisis. Dicho transporte tiene lugar a través de membranas de ...
Estudio de la separación mediante electrodiálisis de citrato y nitrato presentes en biorreactores para la producción de ácidos orgánicos

Ruiz García, María (Universitat Politècnica de València, 2021-10-04)

[ES] En el presente Trabajo Fin de Grado se analiza el transporte de aniones citrato y nitrato a través de una membrana de intercambio aniónico AMV-N en sistemas de electrodiálisis. La separación de aniones citrato y nitrato ...
Evaluation of mass transfer behaviour of sulfamethoxazole species at ion-exchange membranes by chronopotentiometry for electrodialytic processes

Santana-Barros, Kayo; Giacobbo, Alexandre; Agnol, Gustavo Dall; Pérez-Herranz, Valentín; Velizarov, Svetlozar; Moura Bernardes, Andrea (Elsevier, 2023-02-15)

[EN] In recent years, electrodialysis has been often considered as an appropriate method to treat industrial and/or municipal wastewater containing pharmaceutically active compounds. However, the scarcity of information ...
Interplay between Forced Convection and Electroconvection during the Overlimiting Ion Transport through Anion-Exchange Membranes: A Fourier Transform Analysis of Membrane Voltage Drops

Hernández-Pérez, Lorena; Martí Calatayud, Manuel César; Montañés, Maria-Teresa; Pérez-Herranz, Valentín (MDPI AG, 2023-03)

[EN] Electrodialysis (ED) applications have expanded in recent years and new modes of operation are being investigated. Operation at overlimiting currents involves the phenomenon of electroconvection, which is associated ...
Investigation of ion-exchange membranes by means of chronopotentiometry: A comprehensive review on this highly informative and multipurpose technique

Santana Barros, Kayo; Martí Calatayud, Manuel César; Scarazzato, Tatiana; Moura Bernardes, Andréa; Espinosa, Denise Crocce Romano; Pérez-Herranz, Valentín (Elsevier, 2021-07)

[EN] Electrodialysis is mostly used for drinking water production but it has gained applicability in different new fields in recent decades. Membrane characteristics and ion transport properties strongly influence the ...
Ion transport through homogeneous and heterogeneous ion-exchange membranes in single salt and multicomponent electrolyte solutions

Martí Calatayud, Manuel César; Buzzi, Daniella Cardoso; García Gabaldón, Montserrat; BERNARDES, ANDREA MOURA; Tenório, Jorge Alberto Suarez; Pérez Herranz, Valentín (Elsevier, 2014-09-15)

The increasing demand for clean industrial processes has intensified the use of electrodialysis in the treatment of metal containing effluents and encourages the investigation of the different phenomena involved in the ...
Layer-by-Layer Modification of Cation Exchange Membranes Controls Ion Selectivity and Water Splitting

Abdu, Said; Martí Calatayud, Manuel César; Wong, John Erik; García Gabaldón, Montserrat; Wessling, Matthias (American Chemical Society, 2014-02-12)

The present study investigates the possibility of inducing monovalent ion permselectivity on standard cation exchange membranes, by the layer-by-layer (LbL) assembly of poly(ethyleneimine) (PEI)/poly(styrenesulfonate) ...
Low-cost inorganic cation exchange membrane for electrodialysis: optimum processing temperature for the cation exchanger

Mestre, S.; Sales, S.; Palacios, M.D.; Lorente, M.M.; Mallol, G.; Pérez-Herranz, Valentín (Taylor & Francis, 2013-04)

The optimum temperature for fixing zirconium phosphate, obtained by precipitation, on a low-cost ceramic support was determined in order to obtain an inorganic cation exchange membrane for electrodialysis. Zirconium phosphate ...
Mass transfer phenomena during electrodialysis of multivalent ions: chemical equilibria and overlimiting currents

Martí Calatayud, Manuel César; García Gabaldón, Montserrat; Pérez-Herranz, Valentín (MDPI AG, 2018)

[EN] Electrodialysis is utilized for the deionization of saline streams, usually formed by strong electrolytes. Recently, interest in new applications involving the transport of weak electrolytes through ion-exchangemembranes ...
On the selective transport of mixtures of organic and inorganic anions through anion-exchange membranes: A case study about the separation of nitrates and citric acid by electrodialysis

Martí Calatayud, Manuel César; Ruiz-García, M.; Pérez-Herranz, Valentín (Elsevier, 2025-02-19)

[EN] Electrodialysis is finding an increasing number of applications, recently also in the separation and purification of organic acids. This technology involves reducing the use of chemicals and the generation of wastes, ...
Study of the effects of the applied current regime and the concentration of chromic acid on the transport of Ni2+ ions through Nafion 117 membranes

Martí Calatayud, Manuel César; García Gabaldón, Montserrat; Pérez-Herranz, Valentín (Elsevier, 2012-12-23)

In the present work galvanostatic experiments are conducted with an electrodialysis cell in order to study the passage of Ni 2+ ions present in chromic acid solutions through a Nafion cation-exchange membrane. The competing ...