Texturally Modified Zirconia–Tungstophosphoric Acid Catalysts for Efficient Lignocellulosic Pyrolysis

Autores
Buitrago Buitrago, José Luis; Méndez, Leticia Jesica; Casella, Mónica Laura; Cecilia, Juan Antonio; Rodríguez-Castellón, Enrique; Lick, Ileana Daniela; Pizzio, Luis René
Año de publicación
2026
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
This work presents the synthesis, characterization, and application of zirconium oxide (ZrO₂)-based catalysts, modified with macro (silica nanospheres, NSP-SiO₂) and mesopore templates (Pluronic 123), impregnated with tungstophosphoric acid (TPA), in the catalytic pyrolysis of tomato agro-industrial residues. The NSP-SiO₂ (SXX) and P123 (PYY) amount mainly influences the ZrO₂ SXXPYY-specific surface area (SBET ) and average pore diameter (Dp ). 31 P MAS NMR and FT-IR characterization results show that TPA (H₃PW₁₂O₄₀) was partially transformed into [P₂W₂₁O₇₁]⁶⁻ and [PW₁₁O₃₉]⁷⁻ during the synthesis steps. The acidic properties of ZrO₂ SXXPYY samples containing 25 and 50 wt% of TPA (ZrO₂ SXXPYYT25 and ZrO₂ SXXPYYT50, respectively) are dependent on both the TPA content and the support nature. Bio-oil composition and product selectivity were strongly influenced by the textural and acid-based properties of the catalysts. Notably, non-catalytic pyrolysis favored pathways leading to C₂ compounds, with a high content of acetic acid and hydroxyacetone. In contrast, the use of catalysts promoted the formation of higher molecular weight oxygenated compounds (C5–C6), specifically furans, aldehydes, and ketones.
Centro de Investigación y Desarrollo en Ciencias Aplicadas
Materia
Química
Tungstophosphoric acid
Heteropolyacids
Zirconium oxide
Catalytic pyrolysis
Furans
Acid catalysts
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by/4.0/
Repositorio
SEDICI (UNLP)
Institución
Universidad Nacional de La Plata
OAI Identificador
oai:sedici.unlp.edu.ar:10915/195981
Acceder
id SEDICI_91c28052bfd5be232c0a1d27ab9d1888
oai_identifier_str oai:sedici.unlp.edu.ar:10915/195981
network_acronym_str SEDICI
repository_id_str 1329
network_name_str SEDICI (UNLP)
spelling Texturally Modified Zirconia–Tungstophosphoric Acid Catalysts for Efficient Lignocellulosic PyrolysisBuitrago Buitrago, José LuisMéndez, Leticia JesicaCasella, Mónica LauraCecilia, Juan AntonioRodríguez-Castellón, EnriqueLick, Ileana DanielaPizzio, Luis RenéQuímicaTungstophosphoric acidHeteropolyacidsZirconium oxideCatalytic pyrolysisFuransAcid catalystsThis work presents the synthesis, characterization, and application of zirconium oxide (ZrO₂)-based catalysts, modified with macro (silica nanospheres, NSP-SiO₂) and mesopore templates (Pluronic 123), impregnated with tungstophosphoric acid (TPA), in the catalytic pyrolysis of tomato agro-industrial residues. The NSP-SiO₂ (SXX) and P123 (PYY) amount mainly influences the ZrO₂ SXXPYY-specific surface area (SBET ) and average pore diameter (Dp ). 31 P MAS NMR and FT-IR characterization results show that TPA (H₃PW₁₂O₄₀) was partially transformed into [P₂W₂₁O₇₁]⁶⁻ and [PW₁₁O₃₉]⁷⁻ during the synthesis steps. The acidic properties of ZrO₂ SXXPYY samples containing 25 and 50 wt% of TPA (ZrO₂ SXXPYYT25 and ZrO₂ SXXPYYT50, respectively) are dependent on both the TPA content and the support nature. Bio-oil composition and product selectivity were strongly influenced by the textural and acid-based properties of the catalysts. Notably, non-catalytic pyrolysis favored pathways leading to C₂ compounds, with a high content of acetic acid and hydroxyacetone. In contrast, the use of catalysts promoted the formation of higher molecular weight oxygenated compounds (C5–C6), specifically furans, aldehydes, and ketones.Centro de Investigación y Desarrollo en Ciencias Aplicadas2026info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://sedici.unlp.edu.ar/handle/10915/195981enginfo:eu-repo/semantics/altIdentifier/issn/2624-781X,info:eu-repo/semantics/altIdentifier/doi/10.3390/reactions7010021info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0/Creative Commons Attribution 4.0 International (CC BY 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2026-06-23T11:17:12Zoai:sedici.unlp.edu.ar:10915/195981Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292026-06-23 11:17:13.046SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv Texturally Modified Zirconia–Tungstophosphoric Acid Catalysts for Efficient Lignocellulosic Pyrolysis
title Texturally Modified Zirconia–Tungstophosphoric Acid Catalysts for Efficient Lignocellulosic Pyrolysis
spellingShingle Texturally Modified Zirconia–Tungstophosphoric Acid Catalysts for Efficient Lignocellulosic Pyrolysis
Buitrago Buitrago, José Luis
Química
Tungstophosphoric acid
Heteropolyacids
Zirconium oxide
Catalytic pyrolysis
Furans
Acid catalysts
title_short Texturally Modified Zirconia–Tungstophosphoric Acid Catalysts for Efficient Lignocellulosic Pyrolysis
title_full Texturally Modified Zirconia–Tungstophosphoric Acid Catalysts for Efficient Lignocellulosic Pyrolysis
title_fullStr Texturally Modified Zirconia–Tungstophosphoric Acid Catalysts for Efficient Lignocellulosic Pyrolysis
title_full_unstemmed Texturally Modified Zirconia–Tungstophosphoric Acid Catalysts for Efficient Lignocellulosic Pyrolysis
title_sort Texturally Modified Zirconia–Tungstophosphoric Acid Catalysts for Efficient Lignocellulosic Pyrolysis
dc.creator.none.fl_str_mv Buitrago Buitrago, José Luis
Méndez, Leticia Jesica
Casella, Mónica Laura
Cecilia, Juan Antonio
Rodríguez-Castellón, Enrique
Lick, Ileana Daniela
Pizzio, Luis René
author Buitrago Buitrago, José Luis
author_facet Buitrago Buitrago, José Luis
Méndez, Leticia Jesica
Casella, Mónica Laura
Cecilia, Juan Antonio
Rodríguez-Castellón, Enrique
Lick, Ileana Daniela
Pizzio, Luis René
author_role author
author2 Méndez, Leticia Jesica
Casella, Mónica Laura
Cecilia, Juan Antonio
Rodríguez-Castellón, Enrique
Lick, Ileana Daniela
Pizzio, Luis René
author2_role author
author
author
author
author
author
dc.subject.none.fl_str_mv Química
Tungstophosphoric acid
Heteropolyacids
Zirconium oxide
Catalytic pyrolysis
Furans
Acid catalysts
topic Química
Tungstophosphoric acid
Heteropolyacids
Zirconium oxide
Catalytic pyrolysis
Furans
Acid catalysts
dc.description.none.fl_txt_mv This work presents the synthesis, characterization, and application of zirconium oxide (ZrO₂)-based catalysts, modified with macro (silica nanospheres, NSP-SiO₂) and mesopore templates (Pluronic 123), impregnated with tungstophosphoric acid (TPA), in the catalytic pyrolysis of tomato agro-industrial residues. The NSP-SiO₂ (SXX) and P123 (PYY) amount mainly influences the ZrO₂ SXXPYY-specific surface area (SBET ) and average pore diameter (Dp ). 31 P MAS NMR and FT-IR characterization results show that TPA (H₃PW₁₂O₄₀) was partially transformed into [P₂W₂₁O₇₁]⁶⁻ and [PW₁₁O₃₉]⁷⁻ during the synthesis steps. The acidic properties of ZrO₂ SXXPYY samples containing 25 and 50 wt% of TPA (ZrO₂ SXXPYYT25 and ZrO₂ SXXPYYT50, respectively) are dependent on both the TPA content and the support nature. Bio-oil composition and product selectivity were strongly influenced by the textural and acid-based properties of the catalysts. Notably, non-catalytic pyrolysis favored pathways leading to C₂ compounds, with a high content of acetic acid and hydroxyacetone. In contrast, the use of catalysts promoted the formation of higher molecular weight oxygenated compounds (C5–C6), specifically furans, aldehydes, and ketones.
Centro de Investigación y Desarrollo en Ciencias Aplicadas
description This work presents the synthesis, characterization, and application of zirconium oxide (ZrO₂)-based catalysts, modified with macro (silica nanospheres, NSP-SiO₂) and mesopore templates (Pluronic 123), impregnated with tungstophosphoric acid (TPA), in the catalytic pyrolysis of tomato agro-industrial residues. The NSP-SiO₂ (SXX) and P123 (PYY) amount mainly influences the ZrO₂ SXXPYY-specific surface area (SBET ) and average pore diameter (Dp ). 31 P MAS NMR and FT-IR characterization results show that TPA (H₃PW₁₂O₄₀) was partially transformed into [P₂W₂₁O₇₁]⁶⁻ and [PW₁₁O₃₉]⁷⁻ during the synthesis steps. The acidic properties of ZrO₂ SXXPYY samples containing 25 and 50 wt% of TPA (ZrO₂ SXXPYYT25 and ZrO₂ SXXPYYT50, respectively) are dependent on both the TPA content and the support nature. Bio-oil composition and product selectivity were strongly influenced by the textural and acid-based properties of the catalysts. Notably, non-catalytic pyrolysis favored pathways leading to C₂ compounds, with a high content of acetic acid and hydroxyacetone. In contrast, the use of catalysts promoted the formation of higher molecular weight oxygenated compounds (C5–C6), specifically furans, aldehydes, and ketones.
publishDate 2026
dc.date.none.fl_str_mv 2026
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Articulo
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://sedici.unlp.edu.ar/handle/10915/195981
url http://sedici.unlp.edu.ar/handle/10915/195981
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/issn/2624-781X,
info:eu-repo/semantics/altIdentifier/doi/10.3390/reactions7010021
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by/4.0/
Creative Commons Attribution 4.0 International (CC BY 4.0)
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by/4.0/
Creative Commons Attribution 4.0 International (CC BY 4.0)
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:SEDICI (UNLP)
instname:Universidad Nacional de La Plata
instacron:UNLP
reponame_str SEDICI (UNLP)
collection SEDICI (UNLP)
instname_str Universidad Nacional de La Plata
instacron_str UNLP
institution UNLP
repository.name.fl_str_mv SEDICI (UNLP) - Universidad Nacional de La Plata
repository.mail.fl_str_mv alira@sedici.unlp.edu.ar
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