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dc.contributor.authorReig i Amat, Mònica
dc.contributor.authorVecino Bello, Xanel
dc.contributor.authorValderrama Angel, César Alberto
dc.contributor.authorGibert Agulló, Oriol
dc.contributor.authorCortina Pallás, José Luís
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Enginyeria Química
dc.date.accessioned2018-02-07T08:00:39Z
dc.date.available2020-04-29T00:25:58Z
dc.date.issued2017-12-19
dc.identifier.citationReig, M., Vecino, X., Valderrama, C., Gibert, O., Cortina, J. Application of selectrodialysis for the removal of as from metallurgical process waters: Recovery of Cu and Zn. "Separation and purification technology", 19 Desembre 2017, vol. 195, p. 404-412.
dc.identifier.issn1383-5866
dc.identifier.urihttp://hdl.handle.net/2117/113827
dc.description.abstractIn this work, selectrodialysis (SED) was used to separate arsenic (As(V)) from copper (Cu(II)) and (Zn(II)) of acidic metallurgical process streams by integrating non-selective and selective membranes. The separation process is determined by the chemical speciation of the involved elements. In this case, As(V) is mainly present as anionic species (H2AsO4-), while Cu(II) and Zn(II) are mainly present as cationic species although partially complexed as neutral complexes (CuSO4 and ZnSO4). A lab set-up was used to conduct the experimental tests with different type of standard and mono-selective ion-exchange membranes. The results obtained showed that by SED configuration it was possible to recover around 80±0.2 % of Cu(II), 87±0.2 % of Zn(II) and 95±0.3 % of As(V) from the feed solution to the rich-product streams with an energy consumption of 2.6±0.2 kWh/kg CuSO4+ZnSO4. Furthermore, a Cu/Zn-rich stream with a purity of both divalent cations of 99.8 % (0.02 % of As(V)) was achieved by means of SED. Overall, the results herein gathered suggest that SED is an efficient separation technology for Cu(II) and Zn(II) recovery from mining and metallurgical acidic streams.
dc.format.extent9 p.
dc.language.isoeng
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subjectÀrees temàtiques de la UPC::Enginyeria química
dc.subject.lcshMembranes (Technology)
dc.subject.lcshSewage
dc.subject.otherMonovalent selective cationic membrane
dc.subject.othercircular economy
dc.subject.othervalorization
dc.subject.otherarsenic removal
dc.subject.othermetal recovery
dc.titleApplication of selectrodialysis for the removal of as from metallurgical process waters: Recovery of Cu and Zn
dc.typeArticle
dc.subject.lemacMembranes (Tecnologia)
dc.subject.lemacAigües residuals -- Depuració
dc.contributor.groupUniversitat Politècnica de Catalunya. SETRI - Grup de Tècniques de Separació i Tractament de Residus Industrials
dc.identifier.doi10.1016/j.seppur.2017.12.040
dc.description.peerreviewedPeer Reviewed
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S1383586617338261?via%3Dihub
dc.rights.accessOpen Access
local.identifier.drac21696620
dc.description.versionPostprint (author's final draft)
local.citation.authorReig, M.; Vecino, X.; Valderrama, C.; Gibert, O.; Cortina, J.
local.citation.publicationNameSeparation and purification technology
local.citation.volume195
local.citation.startingPage404
local.citation.endingPage412


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