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On the Kinetic Behavior of Recycling Precious Metals (Au, Ag, Pt, and Pd) Through Copper Smelting Process

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Wan, Xingbang
dc.contributor.author Kleemola, Lotta
dc.contributor.author Klemettinen, Lassi
dc.contributor.author O’Brien, Hugh
dc.contributor.author Taskinen, Pekka
dc.contributor.author Jokilaakso, Ari
dc.date.accessioned 2021-09-29T09:59:10Z
dc.date.available 2021-09-29T09:59:10Z
dc.date.issued 2021-09
dc.identifier.citation Wan , X , Kleemola , L , Klemettinen , L , O’Brien , H , Taskinen , P & Jokilaakso , A 2021 , ' On the Kinetic Behavior of Recycling Precious Metals (Au, Ag, Pt, and Pd) Through Copper Smelting Process ' , Journal of Sustainable Metallurgy , vol. 7 , no. 3 , pp. 920-931 . https://doi.org/10.1007/s40831-021-00388-6 en
dc.identifier.issn 2199-3823
dc.identifier.issn 2199-3831
dc.identifier.other PURE UUID: 823e64a3-65d8-44a7-8e9f-78512a02a06a
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/823e64a3-65d8-44a7-8e9f-78512a02a06a
dc.identifier.other PURE LINK: http://www.scopus.com/inward/record.url?scp=85107488398&partnerID=8YFLogxK
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/67773010/CHEM_Wan_et_al_On_the_Kinetic_Behavior_2021_Journal_of_Sustainable_Metallurgy.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/110173
dc.description Funding Information: This work was financially supported by the Aalto University School of Chemical Engineering and the Business Finland financed SYMMET project [Grant number 3891/31/2018]. Thanks to Outotec Research Center (Pori, Finland) for their contribution. This study utilized the Academy of Finland’s RawMatTERS Finland Infrastructure (RAMI) based jointly at Aalto University, GTK, and VTT in Espoo. Xingbang Wan would also like to acknowledge the financial support from the China Scholarship Council [Grant Number 201706370096]. Publisher Copyright: © 2021, The Author(s).
dc.description.abstract The recycling and recovery of precious metals from secondary materials, such as waste-printed circuit boards, are an important area of circular economy research due to the limited existing resources and increasing amount of e-waste produced by the rapid development of technology. In this study, the kinetic behavior of precious metals Au, Ag, Pt, and Pd between copper matte and iron-silicate slag was investigated at a typical flash smelting temperature of 1300 °C in both air and argon atmospheres. SEM–EDS, EPMA, and LA-ICP-MS-advanced analysis methods were used for sample characterization. The results indicate that precious metals favor the matte phase over slag, and the deportment to matte occurred swiftly within a short time after the system had reached the experimental temperature. With increasing contact times, the precious metals were distributed increasingly into the sulfide matte. The distribution coefficients, based on experimentally measured element concentrations, followed the order of palladium > platinum > gold > silver in both air and argon, and the matte acted as an efficient collector of these precious metals. The obtained results can be applied to industrial copper matte smelting processes, and they also help in upgrading CFD models to simulate the flash smelting process more precisely. en
dc.format.extent 12
dc.format.extent 920-931
dc.format.mimetype application/pdf
dc.language.iso en en
dc.publisher Springer International Publishing AG
dc.relation.ispartofseries Journal of Sustainable Metallurgy en
dc.relation.ispartofseries Volume 7, issue 3 en
dc.rights openAccess en
dc.title On the Kinetic Behavior of Recycling Precious Metals (Au, Ag, Pt, and Pd) Through Copper Smelting Process en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Department of Chemical and Metallurgical Engineering
dc.contributor.department Metallurgy (MTG)
dc.contributor.department Geological Survey of Finland
dc.subject.keyword Distribution coefficients
dc.subject.keyword Flash smelting
dc.subject.keyword Iron-silicate slag
dc.subject.keyword Recycling
dc.subject.keyword WPCB
dc.identifier.urn URN:NBN:fi:aalto-202109299373
dc.identifier.doi 10.1007/s40831-021-00388-6
dc.type.version publishedVersion

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