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    Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10259/9085

    Título
    Using excitation-emission matrix fluorescence to evaluate the performance of water treatment plants for dissolved organic matter removal
    Autor
    Rodríguez Vidal, Francisco JavierAutoridad UBU Orcid
    García Valverde, MaríaAutoridad UBU Orcid
    Ortega Azabache, Beatriz
    González Martínez, Ángela
    Bellido Fernández, Ana
    Publicado en
    Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 2021, V. 249, 119298
    Editorial
    Elsevier
    Fecha de publicación
    2021-03
    ISSN
    1386-1425
    DOI
    10.1016/j.saa.2020.119298
    Zusammenfassung
    This study is aimed at assessing the performance of water treatment plants (both wastewater and drinking water treatment plants) for dissolved organic matter (DOM) removal using excitation-emission matrix fluorescence (EEMF) as the monitoring technique. The influent from the wastewater treatment plant (WWTP) of Burgos (Spain) is characterized from the presence of protein-like peaks (T1 and T2) and humic-like peaks (A and C), T2 and A showing the highest fluorescence intensity. The percentages of total removal in the effluent were in the following order: peak T1 (65%) > peak A (45%) > peak C (34%) > peak T2 (26%). The humic-like peaks were the most removed at the primary sedimentation stage, whereas peak T1 was by far the most removed in the biological reactor. Protein-like peaks T1 and T2 experienced a slight increase in the final effluent in comparison to their fluorescence at the previous stage (the exit of the biological reactor), an increase that can be explained by the release of SMP (soluble microbial products) from the biomass in the secondary clarifier. A poor correlation was obtained between peak T2 fluorescence and COD, BOD (r2 = 0.34–0.38). The natural water from the Úzquiza reservoir in Burgos (Spain) is characterized by the only presence of humic substances: a majority peak A (fulvic-like) and a weak peak C (humic-like). The whole fluorescent DOM was removed by coagulation-flocculation but a low fluorescence peak T2 appeared at the final stage, coming from protein-like SMPs released by the biomass attached to the filters.
    Palabras clave
    Fluorescence
    Excitation-emission matrix (EEM)
    Urban wastewater
    Drinking water
    Water treatment plants
    Organic matter removal
    Materia
    Química orgánica
    Chemistry, Organic
    URI
    http://hdl.handle.net/10259/9085
    Versión del editor
    https://doi.org/10.1016/j.saa.2020.119298
    Aparece en las colecciones
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    Attribution-NonCommercial-NoDerivatives 4.0 Internacional
    Documento(s) sujeto(s) a una licencia Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 Internacional
    Dateien zu dieser Ressource
    Nombre:
    Rodriguez-sapambs_2021.pdf
    Tamaño:
    1.783Mb
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