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Lithium Recovery from Spodumene via Calcium Chloride-Assisted Roasting [Comunicação oral]

2026-06Documento de conferência Acesso aberto
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datacite.subject.fosEngenharia e Tecnologia::Engenharia Química
datacite.subject.fosEngenharia e Tecnologia::Engenharia dos Materiais
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.accessioned2026-10-14T14:30:12Z
dc.date.available2026-10-14T14:30:12Z
dc.date.issued2026-06
dc.description.abstractABSTRACT: In 2024, total energy-related CO₂ emissions increased by 0.8% compared with the previous year, reaching a record of 37.8 Gt CO₂. The transportation sector accounts for approximately one-third of global greenhouse gas emissions, where electrification is expected to play a crucial role in mitigation. Electric vehicles (EV) alone avoided 80 Mt of CO₂ emissions during the past year, highlighting the environmental benefits of transitioning to electric mobility (International Energy Agency, 2025). In this context, lithium (Li) is a key element in the global energy transition, primarily due to its use in EV battery components. However, Li is classified as critical raw material in the EU list due to its economic relevance and supply risk (European Commission, 2024). Ensuring that Li production is reliable and sufficient to meet the growing demand for modern technologies is essential for achieving long-term reductions in global CO₂ emissions. Conventional Li recovery from Li-bearing ores relies on metallurgical methods that consume high amounts of energy, with processing temperatures reaching up to 1100 °C, contributing to CO₂ emissions increase. These processes also generate co-products and solid waste, such as silicates and metal sulphates, which require additional purification steps, increasing both complexity and cost. The use of sulfuric acid (H₂SO₄) for ore digestion introduces further challenges, including corrosiveness, the need for frequent equipment maintenance and the release of harmful gases. From an environmental perspective, these operations may contribute to air pollution, acidification and wastewater generation.eng
dc.identifier.citationAlmeida, J., Pedrosa, F., Plancha, M.J., Gonçalves, A., & Nogueira, C. (2026). Lithium Recovery from Spodumene via Calcium Chloride-Assisted Roasting. In: 13th International Conference on Sustainable Solid Waste Management, Kos Island, Greece, 24-27 June, 2026
dc.identifier.urihttp://hdl.handle.net/10400.9/6512
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 recovery
dc.subjectDecarbonization
dc.subjectThermal treatment
dc.titleLithium Recovery from Spodumene via Calcium Chloride-Assisted Roasting [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.conferenceDate2026-06-24
oaire.citation.conferencePlaceKos Island, Greece
oaire.citation.title13th International Conference on Sustainable Solid Waste Management
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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