Methods for selenium removal from contaminated waters: a review
2022
Lichtfouse, Eric | Morin-Crini, Nadia | Bradu, Corina | Boussouga, Youssef-Amine | Aliaskari, Mehran | Schäfer, Andrea | Das, Soumya | Wilson, Lee | Ike, Michihiko | Inoue, Daisuke | Kuroda, Masashi | Déon, Sébastien | Fievet, Patrick | Crini, Grégorio | Centre Européen de Recherche et d'Enseignement des Géosciences de l'Environnement (CEREGE) ; Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Collège de France (CdF (institution))-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) | Xi'an Jiaotong University (Xjtu) | Laboratoire Chrono-environnement (UMR 6249) (LCE) ; Centre National de la Recherche Scientifique (CNRS)-Université de Franche-Comté (UFC) ; Université Bourgogne Franche-Comté [COMUE] (UBFC)-Université Bourgogne Franche-Comté [COMUE] (UBFC) | University of Bucharest (UniBuc) | Karlsruhe Institute of Technology = Karlsruher Institut für Technologie (KIT) | University of Saskatchewan [Saskatoon, Canada] (U of S) | Osaka University [Osaka] | Tokoha University | Univers, Théorie, Interfaces, Nanostructures, Atmosphère et environnement, Molécules (UMR 6213) (UTINAM) ; Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Franche-Comté (UFC) ; Université Bourgogne Franche-Comté [COMUE] (UBFC)-Université Bourgogne Franche-Comté [COMUE] (UBFC)
International audience
Mostrar más [+] Menos [-]Inglés. Worldwide contamination of waters by metals, metalloids, and organometallic pollutants is a major health issue. In particular , the occurrence of the selenium metalloid at rather high concentrations in the environment, especially in the water compartment, is of increasing concern, notably in developing countries. Selenium is difficult to remove from groundwater and industrial effluents because selenium is often present in complex polycontaminated mixtures, thus inducing competition issues with other anions. Moreover, the efficiency of remediation methods depends on selenium speciation and water parameters, e.g. pH and concentration of competing anions. Here, we review methods for selenium removal from water, wastewater, and industrial effluents. Technologies are based on zero-valent iron, iron-oxyhydroxides, supported materials, nanofiltration, reverse osmosis, chitosan-enhanced ultrafiltration, electrodialysis, and activated granular sludge.
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