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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/62321

    Título
    Ecological risk evaluation and removal of emerging pollutants in urban wastewater by a hollow fiber forward osmosis membrane
    Autor
    Salamanca Verdugo, MónicaAutoridad UVA Orcid
    López Serna, RebecaAutoridad UVA Orcid
    Palacio Martínez, LauraAutoridad UVA Orcid
    Hernández Giménez, AntonioAutoridad UVA Orcid
    Prádanos del Pico, Pedro LourdesAutoridad UVA Orcid
    Peña Miranda, María del Mar AgripinaAutoridad UVA Orcid
    Año del Documento
    2022
    Editorial
    MDPI
    Descripción
    Producción Científica
    Documento Fuente
    Membranes, 2022, Vol. 12, Nº. 3, 293
    Resumo
    Forward osmosis (FO) is a promising technology for the treatment of urban wastewater. FO can produce high-quality effluents and preconcentrate urban wastewater for subsequent anaerobic treatment. This membrane technology makes it possible to eliminate the pollutants present in urban wastewater, which can cause adverse effects in the ecosystem even at low concentrations. In this study, a 0.6 m2 hollow fiber aquaporin forward osmosis membrane was used for the treatment of urban wastewater from the Valladolid wastewater treatment plant (WWTP). A total of 51 Contaminants of Emerging Concern (CECs) were investigated, of which 18 were found in the target urban wastewater. They were quantified, and their ecotoxicological risk impact was evaluated. Different salts with different concentrations were tested as draw solutions to evaluate the membrane performances when working with pretreated urban wastewater. NaCl was found to be the most appropriate salt since it leads to higher permeate fluxes and lower reverse saline fluxes. The membrane can eliminate or significantly reduce the pollutants present in the studied urban wastewater, producing water without ecotoxicological risk or essentially free of pollutants. In all cases, good recovery was achieved, which increased with molecular weight, although chemical and electrostatic interactions also played a role.
    Materias (normalizadas)
    Urban water
    Wastewater
    Water pollution
    Agua - Contaminación
    Water treatment
    Aguas residuales - Depuración y tratamiento
    Membranes (Technology)
    Osmosis
    Organic water pollutants
    Organic matter
    Contaminants of emerging concern
    Pollutants - Environmental aspects
    Environmental management
    Gestión ambiental
    Sustainable development
    Desarrollo sostenible
    Ecological risk assessment
    Medio ambiente - Contaminación
    Materias Unesco
    2210.19 Fenómenos de Membrana
    5902.08 Política del Medio Ambiente
    ISSN
    2077-0375
    Revisión por pares
    SI
    DOI
    10.3390/membranes12030293
    Patrocinador
    Ministerio de Ciencia e Innovación/Agencia Estatal de Investigación (AEI)/10.13039/501100011033 - (project PID2019-109403RBC21)
    Version del Editor
    https://www.mdpi.com/2077-0375/12/3/293
    Propietario de los Derechos
    © 2022 The Authors
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/62321
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
    Aparece en las colecciones
    • IPS - Artículos de revista [157]
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    Ecological-Risk-Evaluation.pdf
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    Universidad de Valladolid

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