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    Por favor, use este identificador para citar o enlazar este ítem:http://uvadoc.uva.es/handle/10324/23548

    Título
    Photodegradation and sorption govern tetracycline removal during wastewater treatment in algal ponds
    Autor
    Norvilla, Zane N.
    Toledo Cervantes, Alma
    Blanco, Saúl
    Shilton, Andy
    Guieysse, Benoit
    Muñoz Torre, RaúlAutoridad UVA Orcid
    Año del Documento
    2017
    Editorial
    Elsevier
    Descripción
    Producción Científica
    Documento Fuente
    Bioresource Technology, 2017, Volume 232,Pages 35–43
    Resumo
    The degradation of the antibiotic tetracycline, supplied at 100 µg L−1 in domestic wastewater, was studied in an outdoor, pilot scale, high rate algal pond (HRAP). Effective operation was demonstrated with the biomass concentration and the chemical oxygen demand removal efficiency averaging 1.2 ± 0.1 gTSS L−1 and 80 ± 4%, respectively, across all operational periods. Tetracycline removal exceeded 93% and 99% when the HRAP was operated at hydraulic retention times of 4 and 7 days, respectively. Batch tests and pulse testing during HRAP operation repeatedly evidenced the significance of photodegradation as a removal mechanism. Sorption dominated tetracycline removal during the night, but accounted for less than 6% of the total pollutant removal based on sorbed tetracycline extracted from biomass. Overall, these results provide the first demonstration of efficient antibiotic removal, occurring mainly via indirect photodegradation, during relevant HRAP operation (low pollutant concentration, domestic wastewater and natural sunlight).
    Palabras Clave
    Microalgas
    Aguas residuales
    Revisión por pares
    SI
    DOI
    10.1016/j.biortech.2017.02.011
    Patrocinador
    Ministerio de Economía, Industria y Competitividad (Project CTM2015-70442-R and Red NOVEDAR)
    Version del Editor
    http://www.sciencedirect.com/science/article/pii/S0960852417301189
    Idioma
    eng
    URI
    http://uvadoc.uva.es/handle/10324/23548
    Derechos
    openAccess
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    • DEP48 - Artículos de revista [268]
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    Norvill et al. 2017 Bioresource Technology.pdf
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    Universidad de Valladolid

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