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dc.creatorĐokić, Jovana
dc.creatorJovančićević, Branimir
dc.creatorBrčeski, Ilija
dc.creatorRanitović, Milisav
dc.creatorGajić, Nataša
dc.creatorKamberović, Željko
dc.date.accessioned2020-12-12T22:50:57Z
dc.date.available2020-12-12T22:50:57Z
dc.date.issued2020
dc.identifier.issn1438-4957
dc.identifier.urihttp://cherry.chem.bg.ac.rs/handle/123456789/4276
dc.description.abstractAnode slime and tin precipitate as by-products of the electrorefining (ER) of non-standard anodes obtained after experimental smelting of waste electric and electronic equipment (e-waste), in addition to the base and precious metals, contains a significant amount of tin. Due to its presence as inert SnO2 hydrate (β metastannic acid) and its dissipation between slime and electrolyte, anode slime processing and metals valorization are difficult. This study aimed to investigate conditions under which efficient leaching of metastannic acid could be achieved to facilitate further metals valorization, especially precious metals. The investigation was performed using the by-products obtained from the ER of the non-standard Cu anodes produced by pyrometallurgical processing of e-waste. After detailed characterization of obtained products, the influence of various process parameters like temperature, acid concentration, leaching time, as well as the influence of reducing agent, sulfur compounds, and SnO2 hydration rate on leaching efficiency was investigated. It was found that efficiency of 99% can be achieved by leaching the desulfurized tin precipitate sample in 6 M HCl at 90 °C for 90 min with the addition of Mg powder. The application of the tin removal process, described in this paper, contributes to efficient material flow management.
dc.languageen
dc.publisherSpringer
dc.relationPresented research was fnancially supported by the Ministry of Education, Science and Technological Development, Republic of Serbia.
dc.rightsrestrictedAccess
dc.sourceJournal of Material Cycles and Waste Management
dc.titleLeaching of metastannic acid from e-waste by-products
dc.typearticleen
dc.rights.licenseARR
dcterms.abstractБрчески, Илија; Гајић, Наташа; Ранитовић, Милисав; Ђокић, Јована; Јованчићевић, Бранимир; Камберовић, Жељко;
dc.citation.volume22
dc.citation.issue6
dc.citation.spage1899
dc.citation.epage1912
dc.identifier.wos000546526600001
dc.identifier.doi10.1007/s10163-020-01076-5
dc.citation.rankM22~
dc.type.versionpublishedVersion
dc.identifier.scopus2-s2.0-85087719836


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