Modeling polystyrene nanoplastics degradation in water via photo-fenton treatment: A shrinking-particle approach

In this study, kinetic models for the photo-Fenton oxidation of polystyrene nanoplastics (NPs) in water were developed, considering particles with decreasing diameters. Various reaction parameters affecting the oxidation rate, such as particle size (140 909 nm), agitation speed (250 1000 rpm), and o...

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Authors: di Luca, Carla, García Martín, Jorge, Muñoz García, Macarena, Fasce, Laura, Martínez de Pedro, Zahara, Casas de Pedro, José Antonio
Format: article
Publication Date:2024
Country:España
Institution:Universidad Autónoma de Madrid
Repository:Biblos-e Archivo. Repositorio Institucional de la UAM
Language:English
OAI Identifier:oai:repositorio.uam.es:10486/716154
Online Access:http://hdl.handle.net/10486/716154
https://dx.doi.org/10.1016/j.apcatb.2024.124751
Access Level:Open access
Keyword:Photo-Fenton
Nanoplastics
Solid Fluid Kinetic Model
Shrinking-Core Model
Advanced Oxidation Processes
Water Treatment
Química
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spelling Modeling polystyrene nanoplastics degradation in water via photo-fenton treatment: A shrinking-particle approachdi Luca, CarlaGarcía Martín, JorgeMuñoz García, MacarenaFasce, LauraMartínez de Pedro, ZaharaCasas de Pedro, José AntonioPhoto-FentonNanoplasticsSolid Fluid Kinetic ModelShrinking-Core ModelAdvanced Oxidation ProcessesWater TreatmentQuímicaIn this study, kinetic models for the photo-Fenton oxidation of polystyrene nanoplastics (NPs) in water were developed, considering particles with decreasing diameters. Various reaction parameters affecting the oxidation rate, such as particle size (140 909 nm), agitation speed (250 1000 rpm), and operating temperature (25 and 60 C) were investigated. Oxidation progress was evaluated through turbidity measurements, TEM, and FTIR analysis, while leached intermediates were identified via Pyr-GC-MS and IC. Due to changes in NPs surface reactivity, the overall reaction rate was divided into two stages, following a free-radical mechanism. Using equations derived from the classic Shrinking Core Model, the oxidation of NPs was determined to proceed under chemical reaction control, with negligible mass transfer limitations. Additionally, the Prout-Tompkins model was found to accurately represent the degradation process. The proposed mechanisms and models provide valuable insights for describing and predicting the advanced oxidation of NPs under different operating conditions and treatment methodsThis research has received support from the Spanish Ministry of Science and Innovation and AEI through the grant TED2021-131380B-C21 funded by MCIN/AEI/10.13039/501100011033 and European Union NextGenerationEU/PRTR, and through the grant PID2022-139063OB-I00 funded by MCIN/AEI/10.13039/501100011033 and by ERDF A way of making Europe. C. di Luca thanks financial support from the European Union’s Horizon Europe research and innovation program under the Marie Skłodowska Curie postdoctoral grant agreement Nº: 101062665, and from CONICET through the grant PIBAA 28720210100521CO. The authors gratefully acknowledge Dr. Ignacio Spiousas for his contribution to the statistical analysis of the experimental dataElsevierDepartamento de Ingeniería QuímicaFacultad de CienciasUAM. Departamento de Ingeniería Química20242024-10-24research articlehttp://purl.org/coar/resource_type/c_2df8fbb1VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10486/716154https://dx.doi.org/10.1016/j.apcatb.2024.124751reponame:Biblos-e Archivo. Repositorio Institucional de la UAMinstname:Universidad Autónoma de MadridInglésengopen accesshttp://purl.org/coar/access_right/c_abf2Attribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessoai:repositorio.uam.es:10486/7161542026-06-23T12:46:27Z
dc.title.none.fl_str_mv Modeling polystyrene nanoplastics degradation in water via photo-fenton treatment: A shrinking-particle approach
title Modeling polystyrene nanoplastics degradation in water via photo-fenton treatment: A shrinking-particle approach
spellingShingle Modeling polystyrene nanoplastics degradation in water via photo-fenton treatment: A shrinking-particle approach
di Luca, Carla
Photo-Fenton
Nanoplastics
Solid Fluid Kinetic Model
Shrinking-Core Model
Advanced Oxidation Processes
Water Treatment
Química
title_short Modeling polystyrene nanoplastics degradation in water via photo-fenton treatment: A shrinking-particle approach
title_full Modeling polystyrene nanoplastics degradation in water via photo-fenton treatment: A shrinking-particle approach
title_fullStr Modeling polystyrene nanoplastics degradation in water via photo-fenton treatment: A shrinking-particle approach
title_full_unstemmed Modeling polystyrene nanoplastics degradation in water via photo-fenton treatment: A shrinking-particle approach
title_sort Modeling polystyrene nanoplastics degradation in water via photo-fenton treatment: A shrinking-particle approach
dc.creator.none.fl_str_mv di Luca, Carla
García Martín, Jorge
Muñoz García, Macarena
Fasce, Laura
Martínez de Pedro, Zahara
Casas de Pedro, José Antonio
author di Luca, Carla
author_facet di Luca, Carla
García Martín, Jorge
Muñoz García, Macarena
Fasce, Laura
Martínez de Pedro, Zahara
Casas de Pedro, José Antonio
author_role author
author2 García Martín, Jorge
Muñoz García, Macarena
Fasce, Laura
Martínez de Pedro, Zahara
Casas de Pedro, José Antonio
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Departamento de Ingeniería Química
Facultad de Ciencias
UAM. Departamento de Ingeniería Química
dc.subject.none.fl_str_mv Photo-Fenton
Nanoplastics
Solid Fluid Kinetic Model
Shrinking-Core Model
Advanced Oxidation Processes
Water Treatment
Química
topic Photo-Fenton
Nanoplastics
Solid Fluid Kinetic Model
Shrinking-Core Model
Advanced Oxidation Processes
Water Treatment
Química
description In this study, kinetic models for the photo-Fenton oxidation of polystyrene nanoplastics (NPs) in water were developed, considering particles with decreasing diameters. Various reaction parameters affecting the oxidation rate, such as particle size (140 909 nm), agitation speed (250 1000 rpm), and operating temperature (25 and 60 C) were investigated. Oxidation progress was evaluated through turbidity measurements, TEM, and FTIR analysis, while leached intermediates were identified via Pyr-GC-MS and IC. Due to changes in NPs surface reactivity, the overall reaction rate was divided into two stages, following a free-radical mechanism. Using equations derived from the classic Shrinking Core Model, the oxidation of NPs was determined to proceed under chemical reaction control, with negligible mass transfer limitations. Additionally, the Prout-Tompkins model was found to accurately represent the degradation process. The proposed mechanisms and models provide valuable insights for describing and predicting the advanced oxidation of NPs under different operating conditions and treatment methods
publishDate 2024
dc.date.none.fl_str_mv 2024
2024-10-24
dc.type.none.fl_str_mv research article
http://purl.org/coar/resource_type/c_2df8fbb1
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 http://hdl.handle.net/10486/716154
https://dx.doi.org/10.1016/j.apcatb.2024.124751
url http://hdl.handle.net/10486/716154
https://dx.doi.org/10.1016/j.apcatb.2024.124751
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution-NonCommercial-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution-NonCommercial-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nc-nd/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 reponame:Biblos-e Archivo. Repositorio Institucional de la UAM
instname:Universidad Autónoma de Madrid
instname_str Universidad Autónoma de Madrid
reponame_str Biblos-e Archivo. Repositorio Institucional de la UAM
collection Biblos-e Archivo. Repositorio Institucional de la UAM
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869425372908486656
score 15.812429

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