A sustainable approach by using microalgae to minimize the eutrophication process of Mar Menor lagoon

The present study evaluates the removal capacity of microalgae photobioreactors of environmental pollutants present in wastewater from the dry riverbed El Albujon, as a way to minimize the eutrophication process of the MarMenor. Particularly, the capacity of four autochthonous microalgae consortia collected from different locations of the salty lagoon to remove emerging contaminants (simazine, atrazine, terbuthylazine, adenosine and ibuprofen), nitrates, and phosphates, was evaluated.Among the four microalgae consortia, consortium 1 was the best in terms of biomass productivity (0.11 g L-1 d(-1)) and specific growthrate (0.14d(-1)), providing 100% removal of emerging contaminants (simazine, atrazine, terbuthylazine, adenosine and ibuprofen), and a maximal reduction and consumption of macronutrients, especially nitrates and phosphates, reaching levels below 28 mgL(-1), that is, a decrease of 89.90 and 99.70% of nitrates and phosphates, respectively. Therefore, this consortium (Monoraphidium sp., Desmodesmus subspicatus, Nannochloris sp.) could be selected as a green filter for successful large-scale applications. This study is the first one that combines the successful removal of herbicides, ibuprofen and adenosine as emerging contaminants, and nitrate removal. (C) 2020 Elsevier B.V. All rights reserved.

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Gil-Izquierdo A. Pedreno M.A. Montoro-Garcia S. Tarraga-Martinez M. Iglesias P. Ferreres F. Barcelo D. Nunez-Delicado E. y Gabaldon J.A. A sustainable approach by using microalgae to minimize the eutrophication process of Mar Menor lagoon. Elsevier B.V., 2020. https://doi.org/10.1016/j.scitotenv.2020.143613

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Fecha de creación 05-11-2024
Fecha de última modificación 05-11-2024
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Identificador de los metadatos 6ee6e40f-6616-565f-96ae-6d0f265118e6
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Categoría del conjunto de alto valor (HVD) Observación de la Tierra y medio ambiente
Categoría temática ISO 19115 biota
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Nombre del autor Gil-Izquierdo, A., Pedreno, M.A., Montoro-Garcia, S., Tarraga-Martinez, M., Iglesias, P., Ferreres, F., Barcelo, D., Nunez-Delicado, E. y Gabaldon, J.A.
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Identificador alternativo DOI: 10.1016/j.scitotenv.2020.143613
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