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Browsing by Subject "Electrodialysis"

Now showing items 1-13 of 13

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 ...
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 ...
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 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 ...
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 ...
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 ...
STUDY OF THE TRANSPORT OF HEAVY METAL IONS THROUGH CATION-EXCHANGE MEMBRANES APPLIED TO THE TREATMENT OF INDUSTRIAL EFFLUENTS

Martí Calatayud, Manuel César (Universitat Politècnica de València, 2015-01-12)

La presente Tesis Doctoral consiste en la determinación de las propiedades de transporte de diferentes especies catiónicas a través de membranas de intercambio catiónico. Las membranas de intercambio iónico son un componente ...
Sulfuric acid recovery from acid mine drainage by means of electrodialysis

Martí Calatayud, Manuel César; CARDOSO BUZZI, DANIELLA; García Gabaldón, Montserrat; Ortega Navarro, Emma María; Bernardes, A.M.; Suarez Tenorio, Jose Alberto; Pérez Herranz, Valentín (Elsevier, 2014-06-16)

In the present work the recovery of sulfuric acid from acid mine drainage by means of 3-compartment electrodialysis (ED) is evaluated. An effective recovery of sulfuric acid free from Fe(III) species was obtained in the ...
Water reclamation and chemicals recovery from a novel cyanide-free copper plating bath using electrodialysis membrane process

Scarazzato, Tatiana; Panossian, Z.; Tenorio, J.A.S.; Pérez-Herranz, Valentín; Espinosa, D.C.R. (Elsevier, 2018)

[EN] One of the industrial concerns is to change procedures into sustainable and cleaner processes. In electroplating, researches have been developed to replace toxic materials for safer alternatives. Cyanide salts are ...