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dc.contributor.author
Misol, Alexander
dc.contributor.author
Giarnieri, Ilenia
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Ospitali, Francesca
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Ballarini, Adriana Daniela
dc.contributor.author
Jiménez Jiménez, José
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Rodríguez Castellón, Enrique
dc.contributor.author
Labajos, Francisco Martín
dc.contributor.author
Fornasari, Giuseppe
dc.contributor.author
Benito, Patricia
dc.date.available
2024-03-08T12:38:23Z
dc.date.issued
2023-08
dc.identifier.citation
Misol, Alexander; Giarnieri, Ilenia; Ospitali, Francesca; Ballarini, Adriana Daniela; Jiménez Jiménez, José; et al.; CO2 hydrogenation over Ru hydrotalcite-derived catalysts; Elsevier Science; Catalysis Today; 425; 8-2023; 1-27
dc.identifier.issn
0920-5861
dc.identifier.uri
http://hdl.handle.net/11336/229825
dc.description.abstract
The hydrogenation of CO2 over Ru catalysts is structure sensitive, the selectivity of the process can be driven either to the production of CH4 or CO depending on Ru particles and support features. Herein, Ru-based MgAl-HT (HT=hydrotalcite) derived catalysts with different Ru loadings (0.5, 1, and 2 wt.%) and promoted with La3+ were prepared, characterized, and tested for CO2 methanation at high Gas Hourly Space Velocity values (480 L / gcat h) feeding a CO2/H2/N2 = 1/4/1 v/v mixture. The MgAlOx mixed oxide obtained after calcination at 600 °C and reduction provided weak, medium and mainly strong basic sites, able to activate the CO2 molecule, and hosted very small Ru nanoparticles (1-3 nm). However, the catalysts displayed a low activity in the low temperature range and a poor selectivity to CH4. The addition of La3+, despite contributing to the basicity, did not have any significant effect on performance. In a comparison between Ru- and Ni-HT-derived catalysts, tested under similar reaction conditions, Ni largely overperformed Ru.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
hydrotalcite
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Ruthenium
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CO2
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CO
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CH4
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Ingeniería de los Materiales
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Ingeniería de los Materiales
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INGENIERÍAS Y TECNOLOGÍAS
dc.title
CO2 hydrogenation over Ru hydrotalcite-derived catalysts
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2024-02-05T13:50:03Z
dc.journal.volume
425
dc.journal.pagination
1-27
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Misol, Alexander. Universidad de Bologna; Italia
dc.description.fil
Fil: Giarnieri, Ilenia. Universidad de Bologna; Italia
dc.description.fil
Fil: Ospitali, Francesca. Universidad de Bologna; Italia
dc.description.fil
Fil: Ballarini, Adriana Daniela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica "Ing. José Miguel Parera". Universidad Nacional del Litoral. Instituto de Investigaciones en Catálisis y Petroquímica "Ing. José Miguel Parera"; Argentina
dc.description.fil
Fil: Jiménez Jiménez, José. Universidad de Málaga; España
dc.description.fil
Fil: Rodríguez Castellón, Enrique. Universidad de Málaga; España
dc.description.fil
Fil: Labajos, Francisco Martín. Universidad de Salamanca; España
dc.description.fil
Fil: Fornasari, Giuseppe. Universidad de Bologna; Italia
dc.description.fil
Fil: Benito, Patricia. Universidad de Bologna; Italia
dc.journal.title
Catalysis Today
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S0920586123003863
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.cattod.2023.114362
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