Magnetic Photocatalyst for Wastewater Tertiary Treatment at Pilot Plant Scale: Disinfection and Enrofloxacin Abatement
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Otros documentos de la autoría: Sciscenko, Iván; Mestre Beltrán, Sergio; Climent, Javier; Valero, Francisco; Escudero-Oñate, Carlos; OLLER ALBEROLA, ISABEL; Arques, Antonio
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Título
Magnetic Photocatalyst for Wastewater Tertiary Treatment at Pilot Plant Scale: Disinfection and Enrofloxacin AbatementAutoría
Fecha de publicación
2021-01Editor
MDPIISSN
2073-4441Cita bibliográfica
Sciscenko, I.; Mestre, S.; Climent, J.; Valero, F.; Escudero-Oñate, C.; Oller, I.; Arques, A. Magnetic Photocatalyst for Wastewater Tertiary Treatment at Pilot Plant Scale: Disinfection and Enrofloxacin Abatement. Water 2021, 13, 329. https://doi.org/10.3390/ w13030329Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://www.mdpi.com/2073-4441/13/3/329Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
In this work, we have tested a photocatalytic material consisting of a core of SiO2/Fe3O4
coated with TiO2 (Magnox) for plausible tertiary wastewater treatment. For this, a pilot plant of
45 L equipped with an ... [+]
In this work, we have tested a photocatalytic material consisting of a core of SiO2/Fe3O4
coated with TiO2 (Magnox) for plausible tertiary wastewater treatment. For this, a pilot plant of
45 L equipped with an Ultraviolet light (UVC) lamp was employed to study the degradation of a
model contaminant, enrofloxacin (ENR), as well as water disinfection (elimination of Escherichia coli
and Clostridium perfringens). The influence of different operational conditions was explored by
means of dye (rhodamine-B) decolorization rates, analyzing the effects of photocatalyst quantity,
pH and recirculation flow rates. The magnox/UVC process was also compared with other four
Advanced Oxidation Processes (AOPs): (i) UVC irradiation alone, (ii) hydrogen peroxide with UVC
(H2O2/UVC), (iii) Fenton, and (iv) photo-Fenton. Although UVC irradiation was efficient enough to
produce total water disinfection, only when employing the AOPs, significant degradations of ENR
were observed, with photo-Fenton being the most efficient process (total enrofloxacin removal in
5 min and c.a. 80% mineralization in 120 min, at pH0 2.8). However, Magnox/UVC has shown great
pollutant abatement effectiveness under neutral conditions, with the additional advantage of no acid
or H2O2 addition, as well as its plausible reuse and simple separation due to its magnetic properties. [-]
Publicado en
Water, vol. 13, núm. 3, (2021)Entidad financiadora
European Union’s Horizon 2020 | Research and Innovation Framework Programme under the H2020 Marie Skłodowska-Curie Actions grant agreement No 765860
Código del proyecto o subvención
No 765860
Derechos de acceso
info:eu-repo/semantics/openAccess
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