Development of a Sustainable Metallurgical Process to Valorize Copper Smelting Wastes with Olive Stones-Based Biochar

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dc.contributor.authorAdrados, Aitziber
dc.contributor.authorMerchán, Mikel
dc.contributor.authorObregón, Alejandro
dc.contributor.authorArtola, Antxon
dc.contributor.authorIparraguirre, Jon Ander
dc.contributor.authorGarcía de Cortázar, Maider
dc.contributor.authorEguizabal, David
dc.contributor.authorDemey, Hary
dc.contributor.institutionPROMETAL
dc.contributor.institutionCIRMETAL
dc.date.issued2022-10-14
dc.descriptionPublisher Copyright: © 2022 by the authors.
dc.description.abstractFlue dust waste coming from a copper (Cu) smelting company has been valorized using a newly developed metallurgical process with the aim of recovering a dust concentrated in valuable metals, such as lead (Pb) and zinc (Zn), and studying the feasibility of replacing anthracite with biochar as reducing agent. Metallurgical trials using different mixtures of reducing agents have been performed in a furnace at 1400 °C. This furnace employs a high-power thermal plasma (HPTP) system as energy source. Using copper as the base metal, pellets containing a mixture of the waste, different reducing agents, and binder were introduced into the furnace for their dissolution. Recovery yields in the range of 45–85 wt.% for Pb and Zn were obtained in the flue dusts. All the trials proved the effectiveness of the developed process to enrich the flue dusts in valuable metals, including those only using biochar as reducing agent. Further trials will be carried out in order to better control the parameters involved in the metallurgical process developed and improve its efficiency.en
dc.description.statusPeer reviewed
dc.format.extent1
dc.format.extent4199154
dc.identifier.citationAdrados , A , Merchán , M , Obregón , A , Artola , A , Iparraguirre , J A , García de Cortázar , M , Eguizabal , D & Demey , H 2022 , ' Development of a Sustainable Metallurgical Process to Valorize Copper Smelting Wastes with Olive Stones-Based Biochar ' , Metals , vol. 12 , no. 10 , 1756 , pp. 1756 . https://doi.org/10.3390/met12101756
dc.identifier.doi10.3390/met12101756
dc.identifier.issn2075-4701
dc.identifier.otherresearchoutputwizard: 11556/1450
dc.identifier.urlhttp://www.scopus.com/inward/record.url?scp=85140873947&partnerID=8YFLogxK
dc.language.isoeng
dc.relation.ispartofMetals
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subject.keywordsBiochar
dc.subject.keywordsOlive stones
dc.subject.keywordsReducing agent
dc.subject.keywordsMetal recovery
dc.subject.keywordsWaste valorization
dc.subject.keywordsPyrometallurgy
dc.subject.keywordsBiochar
dc.subject.keywordsOlive stones
dc.subject.keywordsReducing agent
dc.subject.keywordsMetal recovery
dc.subject.keywordsWaste valorization
dc.subject.keywordsPyrometallurgy
dc.subject.keywordsGeneral Materials Science
dc.subject.keywordsMetals and Alloys
dc.subject.keywordsSDG 7 - Affordable and Clean Energy
dc.subject.keywordsSDG 9 - Industry, Innovation, and Infrastructure
dc.subject.keywordsProject ID
dc.subject.keywordsinfo:eu-repo/grantAgreement/EC/H2020/820670/EU/CIRMET
dc.subject.keywordsinfo:eu-repo/grantAgreement/EC/H2020/19145/EU/DIGISER++
dc.subject.keywordsinfo:eu-repo/grantAgreement/EC/H2020/820670/EU/CIRMET
dc.subject.keywordsinfo:eu-repo/grantAgreement/EC/H2020/19145/EU/DIGISER++
dc.subject.keywordsFunding Info
dc.subject.keywordsThis research was funded by the European Union’s Horizon 2020 research and innovation programme under grant agreement No. 820670 (CIRMET) and by the European Institute of Innovation and Technology (EIT Raw Materials), a body of the European Union, under the Horizon 2020 EU framework programme for Research and Innovation (project agreement No. 19145-DIGISER++). The official website of the DIGISER ++ project is https://digiser.tech, accessed on 28 August 2022.
dc.subject.keywordsThis research was funded by the European Union’s Horizon 2020 research and innovation programme under grant agreement No. 820670 (CIRMET) and by the European Institute of Innovation and Technology (EIT Raw Materials), a body of the European Union, under the Horizon 2020 EU framework programme for Research and Innovation (project agreement No. 19145-DIGISER++). The official website of the DIGISER ++ project is https://digiser.tech, accessed on 28 August 2022.
dc.titleDevelopment of a Sustainable Metallurgical Process to Valorize Copper Smelting Wastes with Olive Stones-Based Biocharen
dc.typejournal article
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