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Metal and metalloid removal in constructed wetlands, with emphasis on the importance of plants and standardized measurements : A review

hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorMARCHAND, Lilian
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorMENCH, Michel
hal.structure.identifierWet Ecosystem Research Group
dc.contributor.authorJACOB, D.L.
hal.structure.identifierWet Ecosystem Research Group
dc.contributor.authorOTTE, M.L.
dc.date.issued2010
dc.identifier.issn0269-7491
dc.description.abstractEnThis review integrates knowledge on the removal of metals and metalloids from contaminated waters in constructed wetlands and offers insight into future R&D priorities. Metal removal processes in wetlands are described. Based on 21 papers, the roles and impacts on efficiency of plants in constructed wetlands are discussed. The effects of plant ecotypes and class (monocots, dicots) and of system size on metal removal are addressed. Metal removal rates in wetlands depend on the type of element (Hg > Mn > Fe = Cd > Pb = Cr > Zn = Cu > Al > Ni > As), their ionic forms, substrate conditions, season, and plant species. Standardized procedures and data are lacking for efficiently comparing properties of plants and substrates. We propose a new index, the relative treatment efficiency index (RTEI), to quantify treatment impacts on metal removal in constructed wetlands. Further research is needed on key components, such as effects of differences in plant ecotypes and microbial communities, in order to enhance metal removal efficiency. A new index, the relative treatment efficiency index (RTEI), to quantify treatment impacts on metal and metalloid removal in constructed wetlands.
dc.language.isoen
dc.publisherElsevier
dc.subjectPOLLUTION
dc.subjectÉLIMINATION DES MÉTAUX
dc.subjectEFFICACITÉ DES PLANTES
dc.subjectINDICE D'EFFICACITÉ DE TRAITEMENT
dc.subject.enMETAL
dc.subject.enECOTYPE
dc.subject.enMACROPHYTE
dc.subject.enMICRO-ORGANISM
dc.subject.enPHYTOREMEDIATION
dc.subject.enWASTEWATER
dc.title.enMetal and metalloid removal in constructed wetlands, with emphasis on the importance of plants and standardized measurements : A review
dc.typeArticle de revue
dc.identifier.doi10.1016/j.envpol.2010.08.018
dc.subject.halSciences de l'environnement/Environnement et Société
bordeaux.journalEnvironmental Pollution
bordeaux.page3447-3461
bordeaux.volume158
bordeaux.issue12
bordeaux.peerReviewedoui
hal.identifierhal-02665968
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02665968v1
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