- -

Study of the zinc recovery from spent pickling baths by means of an electrochemical membrane reactor using a cation-exchange membrane under galvanostatic control

RiuNet: Institutional repository of the Polithecnic University of Valencia

Share/Send to

Cited by

Statistics

  • Estadisticas de Uso

Study of the zinc recovery from spent pickling baths by means of an electrochemical membrane reactor using a cation-exchange membrane under galvanostatic control

Show simple item record

Files in this item

dc.contributor.author Carrillo Abad, Jordi es_ES
dc.contributor.author García Gabaldón, Montserrat es_ES
dc.contributor.author Pérez Herranz, Valentín es_ES
dc.date.accessioned 2015-05-11T09:45:33Z
dc.date.available 2015-05-11T09:45:33Z
dc.date.issued 2014-08-20
dc.identifier.issn 1383-5866
dc.identifier.uri http://hdl.handle.net/10251/50009
dc.description.abstract The performance of a cation-exchange membrane (CEM) used for recovering zinc from real spent pickling baths is studied in this work. These spent baths contain high amounts of ZnCl2 and FeCl2 in aqueous HCl media. The results obtained with this membrane are compared with those obtained with an anion-exchange membrane (AEM) treating the same effluent. The effect of the presence or absence of initial zinc in the cathodic compartment is also studied. The absence of initial zinc in the cathodic compartment in the CEM experiments permits iron codeposition. Furthermore, the results obtained with the CEM are worse than those obtained with the AEM for all the figures of merit. This fact shows the need of filling the cathodic compartment with a synthetic zinc solution. The presence of zinc in the cathodic compartment from the beginning of the electrolysis not only inhibits iron codeposition but also favors zinc deposition as the hydrogen evolution reaction becomes a secondary reaction, improving by this way the results of all the figures of merit of the reactor with the CEM. A deep study about the effect of the applied current and the concentration of the synthetic zinc solution placed in the cathodic compartment permits to reach the equilibrium between the zinc transferred through the membrane and that deposited on the cathode. Therefore, the synthetic cathodic zinc is not consumed at any time. Moreover, under this circumstances iron codeposition is also avoided. es_ES
dc.description.sponsorship The authors want to express their gratitude to the Generalitat Valenciana for a postgraduate Grant (GV/2010/029) and to the Ministerio de Economia y Competitividad for financing the project number CTQ2012-37450-C02-01/PPQ. en_EN
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation.ispartof Separation and Purification Technology es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Anion-exchange membrane es_ES
dc.subject Cation-exchange membrane es_ES
dc.subject Iron codeposition Pickling solutions es_ES
dc.subject Pickling solutions es_ES
dc.subject Zinc electrodeposition es_ES
dc.subject.classification INGENIERIA QUIMICA es_ES
dc.title Study of the zinc recovery from spent pickling baths by means of an electrochemical membrane reactor using a cation-exchange membrane under galvanostatic control es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.seppur.2014.05.052
dc.relation.projectID info:eu-repo/grantAgreement/GVA//GV%2F2010%2F029/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//CTQ2012-37450-C02-01/ES/CARACTERIZACION ELECTROQUIMICA DE MEMBRANAS CERAMICAS NANOESTRUCTURADAS DE INTERCAMBIO IONICO PARA SU APLICACION EN REACTORES ELECTROQUIMICOS Y SISTEMAS ELECTRODIALITICOS/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería Química y Nuclear - Departament d'Enginyeria Química i Nuclear es_ES
dc.description.bibliographicCitation Carrillo Abad, J.; García Gabaldón, M.; Pérez Herranz, V. (2014). Study of the zinc recovery from spent pickling baths by means of an electrochemical membrane reactor using a cation-exchange membrane under galvanostatic control. Separation and Purification Technology. 132:479-486. https://doi.org/10.1016/j.seppur.2014.05.052 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1016/j.seppur.2014.05.052 es_ES
dc.description.upvformatpinicio 479 es_ES
dc.description.upvformatpfin 486 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 132 es_ES
dc.relation.senia 271871
dc.identifier.eissn 1873-3794
dc.contributor.funder Generalitat Valenciana es_ES
dc.contributor.funder Ministerio de Economía y Competitividad es_ES


This item appears in the following Collection(s)

Show simple item record