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dc.contributor.author
Resentera Beiza, Alexander Cristian Jesús
dc.contributor.author
Rosales, Gustavo Daniel
dc.contributor.author
Esquivel, Marcelo Ricardo Oscar
dc.contributor.author
Rodriguez, Mario Humberto
dc.date.available
2024-02-27T16:08:46Z
dc.date.issued
2023-03
dc.identifier.citation
Resentera Beiza, Alexander Cristian Jesús; Rosales, Gustavo Daniel; Esquivel, Marcelo Ricardo Oscar; Rodriguez, Mario Humberto; Lithium fluoride dissolution in sulfuric acid solution: Optimization and application in the extraction of lithium from fluorinated α-spodumene; Elsevier Science; Hydrometallurgy (Amsterdam); 217; 3-2023; 1-6
dc.identifier.issn
0304-386X
dc.identifier.uri
http://hdl.handle.net/11336/228672
dc.description.abstract
Fluorination processes have been presented as an alternative to Li extraction and recovery processes from minerals and electronic waste. One of the possible products is LiF, a salt insoluble in water. Depending on market demands, it may be necessary to transform it into another lithium compound for technological applications. In this work, LiF was synthesized from LiCl and HF and characterized by the XRD and Rietveld method. The dissolution of LiF in sulfuric acid solution was modeled and optimized by Response Surface Methodology (RSM). The operating parameters investigated for leaching LiF were the solid/liquid ratio (A), sulfuric acid concentration (B), and leaching time (C). A mathematical model was obtained using RSM to predict the response at any point in the experimental domain (R2 = 0.9970). Analysis of variance (ANOVA) of the reduced quadratic model indicated that A, B, and AB, A2, and B2 interactions were significant. The optimal conditions selected were A = 13.0 LiF g/L, B = 5% v/v and C = 15 min to obtain a LiF dissolution of 100 ± 1% in sulfuric acid. Furthermore, optimal acid leaching conditions were tested on the fluorination products of α-spodumene with NaF. The results indicated that 98 ± 3% of the LiF in the fluorination products dissolves in the acid medium, in agreement with RSM. These results indicate the potential to double the solid/liquid ratio and halve the acid concentration and time to leach lithium from fluorinated α-spodumene, compared to other reported processes.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights
Atribución-NoComercial-CompartirIgual 2.5 Argentina (CC BY-NC-SA 2.5 AR)
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
DESIGN OF EXPERIMENTS
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FLUORINATION
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LIF
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LITHIUM
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RESPONSE SURFACE METHODOLOGY
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SPODUMENE
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Ingeniería Química
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Ingeniería Química
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INGENIERÍAS Y TECNOLOGÍAS
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Ingeniería de los Materiales
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Ingeniería de los Materiales
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INGENIERÍAS Y TECNOLOGÍAS
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Minería y Procesamiento Mineral
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Ingeniería del Medio Ambiente
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INGENIERÍAS Y TECNOLOGÍAS
dc.title
Lithium fluoride dissolution in sulfuric acid solution: Optimization and application in the extraction of lithium from fluorinated α-spodumene
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2024-02-26T16:03:07Z
dc.journal.volume
217
dc.journal.pagination
1-6
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Resentera Beiza, Alexander Cristian Jesús. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Interdisciplinario de Ciencias Básicas. - Universidad Nacional de Cuyo. Instituto Interdisciplinario de Ciencias Básicas; Argentina
dc.description.fil
Fil: Rosales, Gustavo Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Interdisciplinario de Ciencias Básicas. - Universidad Nacional de Cuyo. Instituto Interdisciplinario de Ciencias Básicas; Argentina
dc.description.fil
Fil: Esquivel, Marcelo Ricardo Oscar. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Unidad Ejecutora Instituto de Nanociencia y Nanotecnología. Unidad Ejecutora Instituto de Nanociencia y Nanotecnología - Nodo Bariloche | Comisión Nacional de Energía Atómica. Unidad Ejecutora Instituto de Nanociencia y Nanotecnología. Unidad Ejecutora Instituto de Nanociencia y Nanotecnología - Nodo Bariloche; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina. Universidad Nacional del Comahue. Centro Regional Universitario Bariloche; Argentina
dc.description.fil
Fil: Rodriguez, Mario Humberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Interdisciplinario de Ciencias Básicas. - Universidad Nacional de Cuyo. Instituto Interdisciplinario de Ciencias Básicas; Argentina
dc.journal.title
Hydrometallurgy (Amsterdam)
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0304386X23000099
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.hydromet.2023.106027
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