Thermo-catalytic conversion of GVL-extracted lignin over Ni/NiO catalysts: Support effects on monoaromatics selectivity

[EN] This study explores the performance of Ni and NiO catalysts supported on SiO2, Al2O3, and activated carbon for producing monoaromatic hydrocarbons (MAHs) from the pyrolysis of gamma-valerolactone-extracted lignin. The extracted lignin fraction contained about 70 wt% of lignin along with residua...

Full description

Bibliographic Details
Authors: Menares-Tapia, Tamara, Arteaga-Perez, Luis E., Ronsse, Frederik, Gómez-Acosta, Daviel|||0000-0003-0010-4507, Concepción Heydorn, Patricia|||0000-0003-2058-3103
Format: article
Publication Date:2026
Country:España
Institution:Universitat Politècnica de València (UPV)
Repository:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Language:English
OAI Identifier:oai:dnet:riunet______::07897fcc3b9e5aa1962ae33175e963e7
Online Access:https://riunet.upv.es/handle/10251/235195
Access Level:Embargoed access
Keyword:Nickel catalysts
Catalytic lignin pyrolysis
Monoaromatic hydrocarbons
Catalyst supports
Deoxygenation
Biomass valorization
id ES_203e4268572505f1c19d92ab2b7b8e18
oai_identifier_str oai:dnet:riunet______::07897fcc3b9e5aa1962ae33175e963e7
network_acronym_str ES
network_name_str España
repository_id_str
dc.title.none.fl_str_mv Thermo-catalytic conversion of GVL-extracted lignin over Ni/NiO catalysts: Support effects on monoaromatics selectivity
title Thermo-catalytic conversion of GVL-extracted lignin over Ni/NiO catalysts: Support effects on monoaromatics selectivity
spellingShingle Thermo-catalytic conversion of GVL-extracted lignin over Ni/NiO catalysts: Support effects on monoaromatics selectivity
Menares-Tapia, Tamara
Nickel catalysts
Catalytic lignin pyrolysis
Monoaromatic hydrocarbons
Catalyst supports
Deoxygenation
Biomass valorization
title_short Thermo-catalytic conversion of GVL-extracted lignin over Ni/NiO catalysts: Support effects on monoaromatics selectivity
title_full Thermo-catalytic conversion of GVL-extracted lignin over Ni/NiO catalysts: Support effects on monoaromatics selectivity
title_fullStr Thermo-catalytic conversion of GVL-extracted lignin over Ni/NiO catalysts: Support effects on monoaromatics selectivity
title_full_unstemmed Thermo-catalytic conversion of GVL-extracted lignin over Ni/NiO catalysts: Support effects on monoaromatics selectivity
title_sort Thermo-catalytic conversion of GVL-extracted lignin over Ni/NiO catalysts: Support effects on monoaromatics selectivity
dc.creator.none.fl_str_mv Menares-Tapia, Tamara
Arteaga-Perez, Luis E.
Ronsse, Frederik
Gómez-Acosta, Daviel|||0000-0003-0010-4507
Concepción Heydorn, Patricia|||0000-0003-2058-3103
author Menares-Tapia, Tamara
author_facet Menares-Tapia, Tamara
Arteaga-Perez, Luis E.
Ronsse, Frederik
Gómez-Acosta, Daviel|||0000-0003-0010-4507
Concepción Heydorn, Patricia|||0000-0003-2058-3103
author_role author
author2 Arteaga-Perez, Luis E.
Ronsse, Frederik
Gómez-Acosta, Daviel|||0000-0003-0010-4507
Concepción Heydorn, Patricia|||0000-0003-2058-3103
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Instituto Universitario Mixto de Tecnología Química
Agencia Nacional de Investigación y Desarrollo de Chile
Generalitat Valenciana
Ministerio de Ciencia e Innovación
Repositorio Institucional de la Universitat Politècnica de València Riunet
dc.subject.none.fl_str_mv Nickel catalysts
Catalytic lignin pyrolysis
Monoaromatic hydrocarbons
Catalyst supports
Deoxygenation
Biomass valorization
topic Nickel catalysts
Catalytic lignin pyrolysis
Monoaromatic hydrocarbons
Catalyst supports
Deoxygenation
Biomass valorization
description [EN] This study explores the performance of Ni and NiO catalysts supported on SiO2, Al2O3, and activated carbon for producing monoaromatic hydrocarbons (MAHs) from the pyrolysis of gamma-valerolactone-extracted lignin. The extracted lignin fraction contained about 70 wt% of lignin along with residuals of sugars, which was indirectly confirmed by physicochemical characterization and analytical pyrolysis experiments (Py-GC-MS). The catalytic pyrolysis results demonstrate that product distribution in pyrolytic vapors is affected by both the oxidation state of nickel sites (Ni-0 or Ni2+) and support acidity. Ni/SiO2 yields a mixture of ketones, furans and aromatics, achieving a combined abundance of similar to 21%, which was ascribed to the activity of metal sites for activating H-containing species via hydrides and promoting hydrogenation. Meanwhile, NiO/SiO2 further increased the formation of furans, which may be associated with the presence of oxidized Ni species and their interaction with oxygenated intermediates. When supported on Al2O3, Ni and NiO, predominantly exhibited selectivity toward phenolics (similar to 19%) but showed limited selectivity for aromatic hydrocarbon formation (<5%), which was attributed to the low surface area of Al2O3 and a poor metal dispersion. The use of the Ni/C catalyst promoted demethoxylation and deoxygenation with efficient formation of low-molecular-weight aromatics, improving the selectivity to MAHs by up to 43%. In addition, the NiO/C also showed strong deoxygenation ability, improving alkylphenol and aromatic selectivity through the removal of methoxy groups and oxygen functionalities. The performance of carbon-supported catalysts for producing MAHs was ascribed to a bifunctional effect established by the support mid-strength acid density and Ni-0 and Ni2+ sites.
publishDate 2026
dc.date.none.fl_str_mv 2026
2026-11-01
2026
2026-05-18
2028
2028-04-30
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://riunet.upv.es/handle/10251/235195
url https://riunet.upv.es/handle/10251/235195
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.relation.none.fl_str_mv Ministerio de Ciencia e Innovación http://dx.doi.org/10.13039/501100004837 PID2021-1262350B-C31
Generalitat Valenciana https://doi.org/10.13039/501100003359 MFA%2F2022%2F016
Agencia Nacional de Investigación y Desarrollo, Chile ANID 72210534
dc.rights.none.fl_str_mv embargoed access
http://purl.org/coar/access_right/c_f1cf
Reconocimiento - No comercial - Sin obra derivada (by-nc-nd)
http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/embargoedAccess
rights_invalid_str_mv embargoed access
http://purl.org/coar/access_right/c_f1cf
Reconocimiento - No comercial - Sin obra derivada (by-nc-nd)
http://creativecommons.org/licenses/by-nc-nd/4.0/
eu_rights_str_mv embargoedAccess
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname:Universitat Politècnica de València (UPV)
instname_str Universitat Politècnica de València (UPV)
reponame_str RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
collection RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869404447607619584
spelling Thermo-catalytic conversion of GVL-extracted lignin over Ni/NiO catalysts: Support effects on monoaromatics selectivityMenares-Tapia, TamaraArteaga-Perez, Luis E.Ronsse, FrederikGómez-Acosta, Daviel|||0000-0003-0010-4507Concepción Heydorn, Patricia|||0000-0003-2058-3103Nickel catalystsCatalytic lignin pyrolysisMonoaromatic hydrocarbonsCatalyst supportsDeoxygenationBiomass valorization[EN] This study explores the performance of Ni and NiO catalysts supported on SiO2, Al2O3, and activated carbon for producing monoaromatic hydrocarbons (MAHs) from the pyrolysis of gamma-valerolactone-extracted lignin. The extracted lignin fraction contained about 70 wt% of lignin along with residuals of sugars, which was indirectly confirmed by physicochemical characterization and analytical pyrolysis experiments (Py-GC-MS). The catalytic pyrolysis results demonstrate that product distribution in pyrolytic vapors is affected by both the oxidation state of nickel sites (Ni-0 or Ni2+) and support acidity. Ni/SiO2 yields a mixture of ketones, furans and aromatics, achieving a combined abundance of similar to 21%, which was ascribed to the activity of metal sites for activating H-containing species via hydrides and promoting hydrogenation. Meanwhile, NiO/SiO2 further increased the formation of furans, which may be associated with the presence of oxidized Ni species and their interaction with oxygenated intermediates. When supported on Al2O3, Ni and NiO, predominantly exhibited selectivity toward phenolics (similar to 19%) but showed limited selectivity for aromatic hydrocarbon formation (<5%), which was attributed to the low surface area of Al2O3 and a poor metal dispersion. The use of the Ni/C catalyst promoted demethoxylation and deoxygenation with efficient formation of low-molecular-weight aromatics, improving the selectivity to MAHs by up to 43%. In addition, the NiO/C also showed strong deoxygenation ability, improving alkylphenol and aromatic selectivity through the removal of methoxy groups and oxygen functionalities. The performance of carbon-supported catalysts for producing MAHs was ascribed to a bifunctional effect established by the support mid-strength acid density and Ni-0 and Ni2+ sites.This work was funded by the National Agency for Research and Development (ANID) /Scholarship Program/DOCTORADO BECAS CHILE/2020-72210534 doctoral grant. P.C. and D.G. thank the Ministerio de Ciencia, Innovacion y Universidades, grant number PID2021-1262350B-C31, and the Generalitad Valenciana, Plan de Recuperacion, Transformacion y Resiliencia, line of action Materiales con Funcionalidades Avanzadas para la Transformacion Tecnologica (Ref: MFA/2022/016). The authors also thank Microscopy Service of UPV for the TEM and STEM-EDX measurements. T.M thanks to Celien Van de Velde, Ruben Vanholme and Wout Boerjan from the Department of Plant Biotechnology and Bioinformatics, Ghent University, and the 2VIB Center for Plant Systems Biology, Ghent, Belgium, for the development of Klason lignin analysis.ElsevierInstituto Universitario Mixto de Tecnología QuímicaAgencia Nacional de Investigación y Desarrollo de ChileGeneralitat ValencianaMinisterio de Ciencia e InnovaciónRepositorio Institucional de la Universitat Politècnica de València Riunet20262026-11-0120262026-05-1820282028-04-30journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfapplication/pdfhttps://riunet.upv.es/handle/10251/235195reponame:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valénciainstname:Universitat Politècnica de València (UPV)InglésengMinisterio de Ciencia e Innovación http://dx.doi.org/10.13039/501100004837 PID2021-1262350B-C31Generalitat Valenciana https://doi.org/10.13039/501100003359 MFA%2F2022%2F016Agencia Nacional de Investigación y Desarrollo, Chile ANID 72210534embargoed accesshttp://purl.org/coar/access_right/c_f1cfReconocimiento - No comercial - Sin obra derivada (by-nc-nd) http://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/embargoedAccessoai:dnet:riunet______::07897fcc3b9e5aa1962ae33175e963e72026-06-13T07:49:27Z
score 15,812429

Similar Items