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Distribution and removal efficiency of heavy metals in two constructed wetlands treating landfill leachate
Halmstad University, School of Business and Engineering (SET), Biological and Environmental Systems (BLESS), Wetland Research Centre.ORCID iD: 0000-0003-0553-7918
Faculty of Civil & Environmental Engineering, Gdansk University of Technology, Gdansk, Polen.
2011 (English)In: Water Science and Technology, ISSN 0273-1223, Vol. 64, no 8, 1597-1606 p.Article in journal (Refereed) Published
Abstract [en]

The results of heavy metals (Fe, Mn, Zn, Ni, Cu, Cr, Pb, Cd) removal and partitioning between aqueous and solid phases at two treatment wetlands (TWs) treating municipal landfill leachates are presented. One of the TWs is a surface flow facility consisting of 10 ponds. The other TW is a newly constructed pilot-scale facility consisting of three beds with alternately vertical and horizontal sub-surface flow. The metals concentrations were analysed in leachate (both TWs) and bottom sediments (surface flow TW). Very high (90.9-99.9%) removal rates of metals were observed in a mature surface flow TW. The effectiveness of metals removal in a newly constructed pilot-scale sub-surface flow wetland were considerably lower (range 0-73%). This is attributed to young age of the TW, different hydraulic conditions (sub-surface flow system with much shorter retention time, unoxic conditions) and presence of metallic complexes with refractory organic matter

Place, publisher, year, edition, pages
London: IWA Publishing, 2011. Vol. 64, no 8, 1597-1606 p.
Keyword [en]
organo-metallic complexes, partitioning, prescipitation, redox conditions
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:hh:diva-16582DOI: 10.2166/wst.2011.680ISI: 000296564600004Scopus ID: 2-s2.0-80054886975OAI: oai:DiVA.org:hh-16582DiVA: diva2:457973
Projects
Process- och resursoptimering av konstruerade akvatiska system
Available from: 2011-11-21 Created: 2011-11-21 Last updated: 2016-01-11Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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