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dc.contributor.author
Di Luca, Carla
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dc.contributor.author
Garcia, Jorge
dc.contributor.author
Ortiz, David
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Munoz, Macarena
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Carbajo, Jaime
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de Pedro, Zahara M.
dc.contributor.author
Casas, Jose A.
dc.date.available
2023-11-21T12:47:32Z
dc.date.issued
2023-08
dc.identifier.citation
Di Luca, Carla; Garcia, Jorge; Ortiz, David; Munoz, Macarena; Carbajo, Jaime; et al.; Mineralization of polystyrene nanoplastics in water by photo-Fenton oxidation; Elsevier; Journal of Environmental Chemical Engineering; 11; 5; 8-2023; 1-48
dc.identifier.issn
2213-3437
dc.identifier.uri
http://hdl.handle.net/11336/218410
dc.description.abstract
Wastewater treatment plants (WWTPs) have been identified as hotspots for the spread of micro(nano)plastics (MPs/NPs) in water. Advanced oxidation processes (AOPs) have emerged as promising alternatives for tackling MPs/NPs pollution, however, the number of studies on this topic remains quite limited and needs further research. In this study, the feasibility of the photo-Fenton process (UV/ H2O2/ Fe3+) carried out at ambient conditions and using a broad-spectrum UV-Vis lamp was investigated for the degradation of polystyrene (PS) NPs in water. The impact of the main variables of the process, namely initial PS concentration, Fe3+ concentration, initial pH, H2O2 dose and particle size, was evaluated. Under optimized operating conditions ([PS NPs]0 = 20 mg L−1; [Fe3+]0 = 1 mg L−1; [H2O2]0 = 130 mg L−1; pH0 = 3 and T = 25 ºC), complete mineralization of PS NPs (140 nm) was achieved in 40 min. The outstanding performance of the process was mainly due to the wavelength and light intensity of the UV-lamp employed. To the best of our knowledge, this is the first study in the field of photoassisted AOPs reporting the complete and fast mineralization of PS NPs in water, under ambient conditions. According to our results, photo-Fenton process can be applied to higher loads and larger particle sizes by adjusting the supplied oxidant dose and extending the reaction time. Hence, the photo-Fenton process displays great potential for producing high-quality reclaimed water and/or to be combined with a conventional separation process to treat concentrate streams and mineralize NPs at WWTPs.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
ADVANCED OXIDATION PROCESSES
dc.subject
NANOPLASTICS
dc.subject
PHOTO-FENTON
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POLYSTYRENE
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WATER TREATMENT
dc.subject.classification
Ingeniería de Procesos Químicos
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dc.subject.classification
Ingeniería Química
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dc.subject.classification
INGENIERÍAS Y TECNOLOGÍAS
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dc.title
Mineralization of polystyrene nanoplastics in water by photo-Fenton oxidation
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2023-11-21T12:15:26Z
dc.journal.volume
11
dc.journal.number
5
dc.journal.pagination
1-48
dc.journal.pais
Reino Unido
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dc.description.fil
Fil: Di Luca, Carla. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; Argentina
dc.description.fil
Fil: Garcia, Jorge. Universidad Autónoma de Madrid; España
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Fil: Ortiz, David. Universidad Autónoma de Madrid; España
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Fil: Munoz, Macarena. Universidad Autónoma de Madrid; España
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Fil: Carbajo, Jaime. Universidad Complutense de Madrid; España
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Fil: de Pedro, Zahara M.. Universidad Autónoma de Madrid; España
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Fil: Casas, Jose A.. Universidad Autónoma de Madrid; España
dc.journal.title
Journal of Environmental Chemical Engineering
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S221334372301494X
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.jece.2023.110755
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