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dc.contributor.author
Albornoz, Louidi Lauer
dc.contributor.author
Bortolozzi, Juan Pablo
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Banus, Ezequiel David
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Brussino, Paula
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da Silva, Salatiel Wohlmuth
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Bernardes, Andréa Moura
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Ulla, Maria Alicia del H.
dc.date.available
2023-01-13T19:00:42Z
dc.date.issued
2021-06
dc.identifier.citation
Albornoz, Louidi Lauer; Bortolozzi, Juan Pablo; Banus, Ezequiel David; Brussino, Paula; da Silva, Salatiel Wohlmuth; et al.; Synthesis and characterization of immobilized titanium-zirconium Sn-doped oxides onto metallic meshes and their photocatalytic activity for erythromycin mineralization; Elsevier Science SA; Chemical Engineering Journal; 414; 128891; 6-2021; 1-14
dc.identifier.issn
1385-8947
dc.identifier.uri
http://hdl.handle.net/11336/184713
dc.description.abstract
An improvement of the photocatalytic properties of TiO2, by the doping with Sn, a non-critical raw material, was evaluated. A series of Sn-doped titania-zirconia structured photocatalysts were synthesized using the washcoating method on stainless steel meshes. Two methodologies for the Sn incorporation were applied using different Sn sources: oxalate and SnO2 (powder or nanoparticles). Coating properties were characterized by SEM-EDS, XPS and LRS techniques, and their photocatalytic performances were tested for erythromycin (ERY) oxidation. The coating synthesized with the Sn-oxalate suspension presented a more homogeneous distribution of the elements. Surface characterization showed that the Sn-doped catalysts presented a partial reduction of the Ti4+ species to Ti3+ with the presence of some oxygen vacancies, associated to an effective interaction between Ti and Sn (surface Ti1-xSnxO2-like structure). The lowest amount of these vacancies were found when the Sn source was SnO2 (powder or nanoparticles). The formation of a Ti-Sn-O solid solution decreased the recombination of the e-cb/h+vb pair, allowing better performance on the photocatalytic degradation of ERY, with 46% mineralization for the Sn doped photocatalyst and 26% for the Sn-free catalyst. The Sn addition methodology influenced the catalytic activity due to the formation of different oxidizing agents, leading to different carboxylic acids generation. The best photocatalyst presented after more than 400 h of use, a catalytic activity decreases of only 11.3% in mineralization, showing that this photocatalyst has a high catalytic stability. Besides, after a regeneration process, the catalytic activity was almost thoroughly recovered.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science SA
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
ERYTHROMYCIN DEGRADATION
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METALLIC MESH
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SN-DOPING
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STRUCTURED PHOTOCATALYST
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TITANIUM-ZIRCONIUM OXIDES
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Ingeniería de Procesos Químicos
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Ingeniería Química
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INGENIERÍAS Y TECNOLOGÍAS
dc.title
Synthesis and characterization of immobilized titanium-zirconium Sn-doped oxides onto metallic meshes and their photocatalytic activity for erythromycin mineralization
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-09-21T23:34:03Z
dc.journal.volume
414
dc.journal.number
128891
dc.journal.pagination
1-14
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Albornoz, Louidi Lauer. Universidade Federal do Rio Grande do Sul; Brasil. 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: Bortolozzi, Juan Pablo. 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: Banus, Ezequiel David. 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: Brussino, Paula. 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: da Silva, Salatiel Wohlmuth. Universidade Federal do Rio Grande do Sul; Brasil
dc.description.fil
Fil: Bernardes, Andréa Moura. Universidade Federal do Rio Grande do Sul; Brasil
dc.description.fil
Fil: Ulla, Maria Alicia del H.. 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.journal.title
Chemical Engineering Journal
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S138589472100485X
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info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1016/j.cej.2021.128891
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