Modelling the effect of temperature and free acid, silver, copper and lead concentrations on silver electrorefining electrolyte conductivity

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Aji, Arif T.
dc.contributor.author Kalliomäki, Taina
dc.contributor.author Wilson, Benjamin P.
dc.contributor.author Aromaa, Jari
dc.contributor.author Lundström, Mari
dc.date.accessioned 2017-05-11T09:11:25Z
dc.date.available 2017-05-11T09:11:25Z
dc.date.issued 2016-12-01
dc.identifier.citation Aji , A T , Kalliomäki , T , Wilson , B P , Aromaa , J & Lundström , M 2016 , ' Modelling the effect of temperature and free acid, silver, copper and lead concentrations on silver electrorefining electrolyte conductivity ' HYDROMETALLURGY , vol 166 , pp. 154-159 . DOI: 10.1016/j.hydromet.2016.09.006 en
dc.identifier.issn 0304-386X
dc.identifier.other PURE UUID: ec6ead1e-2113-4f58-83e5-e2f7ecba7d8d
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/modelling-the-effect-of-temperature-and-free-acid-silver-copper-and-lead-concentrations-on-silver-electrorefining-electrolyte-conductivity(ec6ead1e-2113-4f58-83e5-e2f7ecba7d8d).html
dc.identifier.other PURE LINK: http://www.scopus.com/inward/record.url?scp=84992205981&partnerID=8YFLogxK
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/8913163/Aji_et_al_Hydromet_2016B.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/25945
dc.description.abstract Conductivity is one of the key physico-chemical properties of electrolyte in silver electrorefining since it affects the energy consumption of the process. As electrorefining process development trends towards high current density operation, having electrolytes with high conductivities will greatly reduce the energy consumption of the process. This study outlines investigations into silver electrorefining electrolyte conductivity as a function of silver, free acid, copper and lead concentration at different temperatures via a full factorial design comprising of 246 individual measurements. Regression analysis of the model was used to determine the goodness of fit R2, goodness of prediction Q2, model validity and reproducibility. Conductivity was shown to be enhanced by increases in free acid, copper, silver and lead, with free acid having the highest impact on conductivity. Temperature also increased conductivity in two ways: both as a single factor and as a combined effect with free acid, silver and copper concentration. Overall, this work produced a model of high accuracy that allows conductivity of a range of industrial silver electrorefining conditions to be calculated. en
dc.format.extent 6
dc.format.extent 154-159
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries HYDROMETALLURGY en
dc.relation.ispartofseries Volume 166 en
dc.rights openAccess en
dc.subject.other Metals and Alloys en
dc.subject.other Industrial and Manufacturing Engineering en
dc.subject.other Materials Chemistry en
dc.subject.other 216 Materials engineering en
dc.subject.other Metals en
dc.title Modelling the effect of temperature and free acid, silver, copper and lead concentrations on silver electrorefining electrolyte conductivity en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Department of Materials Science and Engineering
dc.contributor.department Department of Chemical and Metallurgical Engineering en
dc.contributor.department Department of Chemistry and Materials Science en
dc.contributor.department Department of Bioproducts and Biosystems en
dc.subject.keyword Conductivity model
dc.subject.keyword Electrorefining overpotential
dc.subject.keyword Industrial
dc.subject.keyword Silver electrolyte
dc.subject.keyword Metals and Alloys
dc.subject.keyword Industrial and Manufacturing Engineering
dc.subject.keyword Materials Chemistry
dc.subject.keyword 216 Materials engineering
dc.subject.keyword Metals
dc.identifier.urn URN:NBN:fi:aalto-201705114320
dc.identifier.doi 10.1016/j.hydromet.2016.09.006
dc.date.embargo info:eu-repo/date/embargoEnd/2018-12-01


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