Energy and property trade-offs in nanocellulose production: High-pressure homogenization at different processing consistencies

Cellulose nanofibers are gaining attention as innovative biobased materials due to their remarkable surface area, versatility in functionalization, and superior mechanical properties, making them ideal for applications in papermaking, material engineering, and wastewater treatment. However, their pr...

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Detalles Bibliográficos
Autores: Signori-Iamin, Giovana, Aguado, Roberto J., Putaux, Jean Luc, Santos Ferreira, Alexandre, Thielemans, Wim, Delgado Aguilar, Marc
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2025
País:España
Institución:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:10256/27330
Acceso en línea:http://hdl.handle.net/10256/27330
Access Level:acceso abierto
Palabra clave:Nanocel·lulosa
Nanocellulose
Energia -- Consum
Energy consumption
Paper -- Fabricació
Papermaking
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spelling Energy and property trade-offs in nanocellulose production: High-pressure homogenization at different processing consistenciesSignori-Iamin, GiovanaAguado, Roberto J.Putaux, Jean LucSantos Ferreira, AlexandreThielemans, WimDelgado Aguilar, MarcNanocel·lulosaNanocelluloseEnergia -- ConsumEnergy consumptionPaper -- FabricacióPapermakingCellulose nanofibers are gaining attention as innovative biobased materials due to their remarkable surface area, versatility in functionalization, and superior mechanical properties, making them ideal for applications in papermaking, material engineering, and wastewater treatment. However, their production via fibrillation is both energy-intensive and expensive, creating barriers to large-scale adoption. This study explores how processing consistency influences energy and cost efficiency during the high-pressure homogenization of TEMPO-oxidized bleached eucalyptus kraft pulp. Results reveal that energy consumption initially depends on processing volume but later becomes constrained by viscosity. The optimal homogenization condition was not at the highest fiber content, where energy demand would be expected to be at its lowest, but at an intermediate consistency where viscosity allowed efficient equipment operation. Increasing processing consistency was observed to improve fibrillation efficiency and facilitate the transition from micro- to nanoscale structures by promoting shearing both between the fibers themselves and between the fibers and the equipment. Furthermore, the processing concentration significantly impacted the final nanofiber characteristics, particularly viscosity as a 0.5 wt% suspension, due to variations in fiber morphologies and network structures such as aspect ratios, entanglement, and bundles. A techno-economic analysis showed that while higher energy usage is required for some conditions, transportation cost savings can offset these expenditures, making intermediate consistencies the most economical choice depending on transport distances. Ultimately, this study emphasizes the importance of balancing cost efficiency and nanofiber quality to optimize production for diverse industrial applicationsThe authors acknowledge the financial support of the Spanish Ministry of Science, Innovation and Universities to the project ArtInNano (CNS2022-135789) and thank the NanoBio-ICMG Platform (UAR 2607, Grenoble) for granting access to the electron microscopy facility. Giovana Signori-Iamin received funding for her PhD thesis from the University of Girona (PhD grant IFUdG2023). Open Access funding provided thanks to the CRUE-CSIC agreement with Elsevier9Elsevier2025info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionpeer-reviewedapplication/pdfhttp://hdl.handle.net/10256/27330http://hdl.handle.net/10256/27330Chemical Engineering Journal, 2025, vol. 509, art. núm. 161257Articles publicats (D-EQATA)reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)Inglésinfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.cej.2025.161257info:eu-repo/semantics/altIdentifier/issn/1385-8947info:eu-repo/semantics/altIdentifier/eissn/1873-3212Attribution-NonCommercial 4.0 Internationalhttp://creativecommons.org/licenses/by-nc/4.0/info:eu-repo/semantics/openAccessoai:recercat.cat:10256/273302026-05-29T05:05:01Z
dc.title.none.fl_str_mv Energy and property trade-offs in nanocellulose production: High-pressure homogenization at different processing consistencies
title Energy and property trade-offs in nanocellulose production: High-pressure homogenization at different processing consistencies
spellingShingle Energy and property trade-offs in nanocellulose production: High-pressure homogenization at different processing consistencies
Signori-Iamin, Giovana
Nanocel·lulosa
Nanocellulose
Energia -- Consum
Energy consumption
Paper -- Fabricació
Papermaking
title_short Energy and property trade-offs in nanocellulose production: High-pressure homogenization at different processing consistencies
title_full Energy and property trade-offs in nanocellulose production: High-pressure homogenization at different processing consistencies
title_fullStr Energy and property trade-offs in nanocellulose production: High-pressure homogenization at different processing consistencies
title_full_unstemmed Energy and property trade-offs in nanocellulose production: High-pressure homogenization at different processing consistencies
title_sort Energy and property trade-offs in nanocellulose production: High-pressure homogenization at different processing consistencies
dc.creator.none.fl_str_mv Signori-Iamin, Giovana
Aguado, Roberto J.
Putaux, Jean Luc
Santos Ferreira, Alexandre
Thielemans, Wim
Delgado Aguilar, Marc
author Signori-Iamin, Giovana
author_facet Signori-Iamin, Giovana
Aguado, Roberto J.
Putaux, Jean Luc
Santos Ferreira, Alexandre
Thielemans, Wim
Delgado Aguilar, Marc
author_role author
author2 Aguado, Roberto J.
Putaux, Jean Luc
Santos Ferreira, Alexandre
Thielemans, Wim
Delgado Aguilar, Marc
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv Nanocel·lulosa
Nanocellulose
Energia -- Consum
Energy consumption
Paper -- Fabricació
Papermaking
topic Nanocel·lulosa
Nanocellulose
Energia -- Consum
Energy consumption
Paper -- Fabricació
Papermaking
description Cellulose nanofibers are gaining attention as innovative biobased materials due to their remarkable surface area, versatility in functionalization, and superior mechanical properties, making them ideal for applications in papermaking, material engineering, and wastewater treatment. However, their production via fibrillation is both energy-intensive and expensive, creating barriers to large-scale adoption. This study explores how processing consistency influences energy and cost efficiency during the high-pressure homogenization of TEMPO-oxidized bleached eucalyptus kraft pulp. Results reveal that energy consumption initially depends on processing volume but later becomes constrained by viscosity. The optimal homogenization condition was not at the highest fiber content, where energy demand would be expected to be at its lowest, but at an intermediate consistency where viscosity allowed efficient equipment operation. Increasing processing consistency was observed to improve fibrillation efficiency and facilitate the transition from micro- to nanoscale structures by promoting shearing both between the fibers themselves and between the fibers and the equipment. Furthermore, the processing concentration significantly impacted the final nanofiber characteristics, particularly viscosity as a 0.5 wt% suspension, due to variations in fiber morphologies and network structures such as aspect ratios, entanglement, and bundles. A techno-economic analysis showed that while higher energy usage is required for some conditions, transportation cost savings can offset these expenditures, making intermediate consistencies the most economical choice depending on transport distances. Ultimately, this study emphasizes the importance of balancing cost efficiency and nanofiber quality to optimize production for diverse industrial applications
publishDate 2025
dc.date.none.fl_str_mv 2025
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
peer-reviewed
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10256/27330
http://hdl.handle.net/10256/27330
url http://hdl.handle.net/10256/27330
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1016/j.cej.2025.161257
info:eu-repo/semantics/altIdentifier/issn/1385-8947
info:eu-repo/semantics/altIdentifier/eissn/1873-3212
dc.rights.none.fl_str_mv Attribution-NonCommercial 4.0 International
http://creativecommons.org/licenses/by-nc/4.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Attribution-NonCommercial 4.0 International
http://creativecommons.org/licenses/by-nc/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv Chemical Engineering Journal, 2025, vol. 509, art. núm. 161257
Articles publicats (D-EQATA)
reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
collection Recercat. Dipósit de la Recerca de Catalunya
repository.name.fl_str_mv
repository.mail.fl_str_mv
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