Brackish groundwater desalination by reverse osmosis in southeastern Spain. Presence of emerging contaminants and potential impacts on soil-aquifer media
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Título: | Brackish groundwater desalination by reverse osmosis in southeastern Spain. Presence of emerging contaminants and potential impacts on soil-aquifer media |
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Autor/es: | Valdes-Abellan, Javier | Candela, Lucila | Jiménez-Martínez, Joaquín | Saval Pérez, José Miguel |
Grupo/s de investigación o GITE: | Ingeniería del Terreno y sus Estructuras (InTerEs) | Tecnología de Materiales y Territorio (TECMATER) |
Centro, Departamento o Servicio: | Universidad de Alicante. Departamento de Ingeniería Civil |
Palabras clave: | Brackish groundwater | Emerging contaminants | Reverse osmosis | Aquifer-soil impacts | Water quality |
Área/s de conocimiento: | Ingeniería Hidráulica | Ingeniería de la Construcción |
Fecha de publicación: | 28-feb-2013 |
Editor: | Taylor & Francis |
Cita bibliográfica: | Desalination and Water Treatment. 2013, 51(10-12): 2431-2444. doi:10.1080/19443994.2012.747506 |
Resumen: | Desalinated brackish groundwater is becoming a new source of water supply to comply with growing water demands, especially in (semi-) arid countries. Recent publications show that some chemical compounds may persist in an unaltered form after the desalination processes and that there is an associated risk of mixing waters with different salinity for irrigation. At the university of Alicante campus (Spain), a mix of desalinated brackish groundwater and water from the existing aquifer is currently applied for landscape irrigation. The presence of 209 emerging compounds, surfactants, priority substances according to the 2008/105/EC Directive, 11 heavy metals and microbiological organisms in blended water and aquifer samples was investigated. Thirty-five compounds were detected (pesticides, pharmaceuticals and surfactants) among them two priority substances α-endosulfan and Ni were found above the permitted maximum concentration. Blended water used for landscape irrigation during the summer period is supersaturated with respect to carbonates, which may ultimately lead to mineral precipitation in the soil-aquifer media and changes in hydraulic parameters. |
Patrocinador/es: | This study forms part of the CONSOLIDER-TRAGUA and CGL2010-22168-C03-02/BTE projects financed by the Ministry of Science and Innovation of Spain. |
URI: | http://hdl.handle.net/10045/46366 |
ISSN: | 1944-3994 (Print) | 1944-3986 (Online) |
DOI: | 10.1080/19443994.2012.747506 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Derechos: | © 2013 Balaban Desalination Publications |
Revisión científica: | si |
Versión del editor: | http://dx.doi.org/10.1080/19443994.2012.747506 |
Aparece en las colecciones: | INV - INTERES - Artículos de Revistas INV - TECMATER - Artículos de Revistas INV - IngHA - Artículos de Revistas |
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Archivo | Descripción | Tamaño | Formato | |
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2013_Valdes_etal_DWT_final.pdf | Versión final (acceso restringido) | 391,6 kB | Adobe PDF | Abrir Solicitar una copia |
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