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dc.contributor.author
Cecilia, J. A.
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Vilarras García, E.
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Morales Ospino, R.
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Finocchio, E.
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Busca, G.
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Sapag, Manuel Karim
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Villarroel Rocha, Jhonny
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Bastos Neto, M.
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Azevedo, D. C. S.
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Rodríguez Castellón, E.
dc.date.available
2024-01-12T14:47:45Z
dc.date.issued
2022-07
dc.identifier.citation
Cecilia, J. A.; Vilarras García, E.; Morales Ospino, R.; Finocchio, E.; Busca, G.; et al.; Kaolinite-based zeolites synthesis and their application in CO2 capture processes; Elsevier; Fuel; 320; 7-2022; 1-9
dc.identifier.issn
0016-2361
dc.identifier.uri
http://hdl.handle.net/11336/223538
dc.description.abstract
In light of the urgent need of reducing the atmospheric CO2 emissions, the use of low-cost adsorbents, that exhibit a high affinity and CO2 adsorption capacity, is a promising method from the economic and environmental point of view to separate CO2 from the flue gas emitted from large sources of emissions like power-fueled plants. Clay minerals are low-cost raw materials with high availability all over planet and great versatility in the fields of adsorption and catalysis processes. The present study pretends to elucidate the link between the reaction conditions during the synthesis of the zeolite from kaolinite and its CO2 adsorption capacity. For that purpose, the type A zeolite was synthesized via hydrothermal process in alkaline solution using metakaolinite as a starting material. The metakaolinite was obtained by calcination of kaolinite at 600 °C and some parameters such as temperature and synthesis time were modified to optimize the synthesis aiming for a high CO2 adsorption capacity adsorbent. Synthesized materials were characterized by X-ray diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), N2 adsorption–desorption at −196 °C and CO2 adsorption at 0 °C (up to 10 bars) isotherms and Nuclear Magnetic Resonance of solids (NMR). In addition, the adsorption capacity of CO2 was evaluated by means of CO2 adsorption–desorption isotherms at 25 °C up to atmospheric pressure. The obtained results indicated that synthesized zeolite 4A can be successfully prepared from natural kaolinite (via metakaolinization) at 100 °C for 48 h under alkaline conditions, showing chemical and physical properties similar to that of the commercial 4A zeolite.
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application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc/2.5/ar/
dc.subject
CHARACTERIZATION
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CO2 ADSORPTION
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KAOLINITE
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SYNTHESIS
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ZEOLITE TYPE A
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Nano-materiales
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Nanotecnología
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INGENIERÍAS Y TECNOLOGÍAS
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Ingeniería Medioambiental y Geológica, Geotécnicas
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Ingeniería del Medio Ambiente
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INGENIERÍAS Y TECNOLOGÍAS
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Físico-Química, Ciencia de los Polímeros, Electroquímica
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Ciencias Químicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Kaolinite-based zeolites synthesis and their application in CO2 capture processes
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2024-01-11T10:09:45Z
dc.journal.volume
320
dc.journal.pagination
1-9
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
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Fil: Cecilia, J. A.. Universidad de Málaga; España
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Fil: Vilarras García, E.. Universidade Estadual do Ceará; Brasil
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Fil: Morales Ospino, R.. Universidade Estadual do Ceará; Brasil
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Fil: Finocchio, E.. Università degli Studi di Genova; Italia
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Fil: Busca, G.. Università degli Studi di Genova; Italia
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Fil: Sapag, Manuel Karim. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Física Aplicada "Dr. Jorge Andrés Zgrablich". Universidad Nacional de San Luis. Facultad de Ciencias Físico Matemáticas y Naturales. Instituto de Física Aplicada "Dr. Jorge Andrés Zgrablich"; Argentina
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Fil: Villarroel Rocha, Jhonny. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Física Aplicada "Dr. Jorge Andrés Zgrablich". Universidad Nacional de San Luis. Facultad de Ciencias Físico Matemáticas y Naturales. Instituto de Física Aplicada "Dr. Jorge Andrés Zgrablich"; Argentina
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Fil: Bastos Neto, M.. Universidade Estadual do Ceará; Brasil
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Fil: Azevedo, D. C. S.. Universidade Estadual do Ceará; Brasil
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Fil: Rodríguez Castellón, E.. Universidad de Málaga; España
dc.journal.title
Fuel
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.fuel.2022.123953
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