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Determination of the potential gold electrowinning from an amoniacal thiosulphate solution applied to recycling of printed circuit board scraps

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Determination of the potential gold electrowinning from an amoniacal thiosulphate solution applied to recycling of printed circuit board scraps

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dc.contributor.author Kasper, Angela Cristina es_ES
dc.contributor.author Carrillo Abad, Jorge es_ES
dc.contributor.author García Gabaldón, Montserrat es_ES
dc.contributor.author Veit, Hugo Marcelo es_ES
dc.contributor.author Pérez-Herranz, Valentín es_ES
dc.date.accessioned 2016-06-08T09:51:45Z
dc.date.available 2016-06-08T09:51:45Z
dc.date.issued 2015
dc.identifier.issn 0734-242X
dc.identifier.uri http://hdl.handle.net/10251/65503
dc.description.abstract The use of electrochemical techniques in the selective recovery of gold from a solution containing thiosulphate, ammonia, and copper, obtained from the leaching of printed circuit boards from mobile phones using ammoniacal thiosulphate, are shown in this work. First, cyclic voltammetry tests were performed to determine the potential of electrodeposition of gold and copper, and then, electrowinning tests at different potentials for checking the rates of recovery of these metals were performed. The results of the cyclic voltammetry show that copper deposition occurs at potentials more negative than −600mV (Ag/AgCl), whereas the gold deposition can be performed at potentials more positives than −600mV (Ag/AgCl). The results of electrowinning show that 99% of the gold present in solutions containing thiosulphate and copper can be selectively recovered in a potential range between −400mV (vs Ag/ AgCl) and −500mV (vs Ag/AgCl). Furthermore, 99% of copper can be recovered in potentials more negative than −700mV (vs Ag/ AgCl) es_ES
dc.description.sponsorship The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: The authors received financial support for the research from CAPES and CNPq from Brazil. en_EN
dc.language Inglés es_ES
dc.publisher SAGE Publications es_ES
dc.relation.ispartof Waste Management and Research es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Printed circuit boards es_ES
dc.subject gold es_ES
dc.subject thiosulphate es_ES
dc.subject cyclic voltammetry es_ES
dc.subject electrolysis studies es_ES
dc.subject gold electrowinning es_ES
dc.subject.classification INGENIERIA QUIMICA es_ES
dc.title Determination of the potential gold electrowinning from an amoniacal thiosulphate solution applied to recycling of printed circuit board scraps es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1177/0734242X15607425
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 Kasper, AC.; Carrillo Abad, J.; García Gabaldón, M.; Veit, HM.; Pérez-Herranz, V. (2015). Determination of the potential gold electrowinning from an amoniacal thiosulphate solution applied to recycling of printed circuit board scraps. Waste Management and Research. 34(1):47-57. doi:10.1177/0734242X15607425 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1177/0734242X15607425 es_ES
dc.description.upvformatpinicio 47 es_ES
dc.description.upvformatpfin 57 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 34 es_ES
dc.description.issue 1 es_ES
dc.relation.senia 294519 es_ES
dc.identifier.eissn 1096-3669
dc.contributor.funder Coordenaçao de Aperfeiçoamento de Pessoal de Nível Superior, Brasil es_ES
dc.contributor.funder Conselho Nacional de Desenvolvimento Científico e Tecnológico, Brasil es_ES
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