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Leaching Approaches for Lithium Recovery from Spodumene [Comunicação oral]

2026-05Documento de conferência Acesso aberto
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datacite.subject.fosEngenharia e Tecnologia::Engenharia dos Materiais
datacite.subject.fosEngenharia e Tecnologia::Engenharia do Ambiente
datacite.subject.fosEngenharia e Tecnologia::Outras Engenharias e Tecnologias
datacite.subject.sdg11:Cidades e Comunidades Sustentáveis
datacite.subject.sdg12:Produção e Consumo Sustentáveis
datacite.subject.sdg13:Ação Climática
dc.contributor.authorAlmeida, Joana
dc.contributor.authorPedrosa, Fátima
dc.contributor.authorPlancha, Maria João
dc.contributor.authorGonçalves, Ana
dc.contributor.authorNogueira, Carlos
dc.date.accessioned2026-10-14T09:26:39Z
dc.date.available2026-10-14T09:26:39Z
dc.date.issued2026-05
dc.description.abstractABSTRACT: Lithium, a critical raw material, is essential for the electrification of vehicles due to its pivotal role in battery production, thereby contributing to the decarbonisation of the transport sector. The growing environmental and supplychain challenges associated with primary metal extraction have increased the need for alternative resources and sustainable processing methods. This study investigates the leaching behaviour of lithium from calcined spodumene, a lithium-bearing mineral, with the aim of optimising recovery under more environmentally friendly conditions. The research focuses on the assessment of the influence of key operational parameters on lithium solubilisation by water leaching, such as temperature, liquid-to-solid ratio, and reaction time. By varying these factors, the study aims to assess the conditions that maximise lithium yield while minimising resource consumption and environmental impact. The results demonstrate that almost complete lithium recovery was achieved at room temperature (24 °C), with liquid-to-solid ratios of 2–3.5 L/kg and leaching durations of 30–60 minutes, indicating that additional heating, excessive solvent, or prolonged contact time offers minimal improvement. These findings provide a route to improve resource use while lowering the carbon footprint of lithium production.eng
dc.identifier.citationAlmeida, J., Pedrosa, F., Plancha, M.J., Gonçalves, A., & Nogueira, C. (2026). Leaching Approaches for Lithium Recovery from Spodumene. In: International Conference on Water, Energy, Food and Sustainability (ICoWEFS 2026), Portalegre, Portugal, 13-15 May, 2026.
dc.identifier.urihttp://hdl.handle.net/10400.9/6509
dc.language.isoeng
dc.peerreviewedno
dc.relationOpTIMAL NGS - New Generation Storage Towards a Sustainable Energy System
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectCritical raw materials
dc.subjectLithium
dc.subjectLeaching
dc.subjectSpodumene
dc.titleLeaching Approaches for Lithium Recovery from Spodumene [Comunicação oral]eng
dc.typeconference object
dspace.entity.typePublication
oaire.awardNumber2022.42626.CPCA.A0
oaire.awardTitleOpTIMAL NGS - New Generation Storage Towards a Sustainable Energy System
oaire.awardURIhttp://hdl.handle.net/10400.9/6504
oaire.citation.conferenceDate2026-05-13
oaire.citation.conferencePlacePortalegre, Portugal
oaire.citation.titleInternational Conference on Water, Energy, Food and Sustainability (ICoWEFS 2026)
oaire.fundingStreamFCT_CPCA_2022_01
oaire.versionhttp://purl.org/coar/version/c_be7fb7dd8ff6fe43
person.familyNameAlmeida
person.familyNamePedrosa
person.familyNamePlancha
person.familyNameGonçalves
person.familyNameNogueira
person.givenNameJoana
person.givenNameFátima
person.givenNameMaria João
person.givenNameAna
person.givenNameCarlos
person.identifier.ciencia-id011E-FCCD-4FA6
person.identifier.orcid0000-0002-1247-9341
person.identifier.orcid0000-0002-0479-822X
person.identifier.orcid0009-0005-3142-9779
person.identifier.orcid0009-0009-4763-8750
person.identifier.orcid0000-0003-2949-5046
person.identifier.ridA-4926-2013
person.identifier.scopus-author-id7006686159
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relation.isAuthorOfPublication2ce2b103-1205-4c2a-8799-fd7d9f5f7800
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