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Performance of a constructed wetland system for treatment of landfill leachate.
Mälardalen University, Department of Public Technology. Mälardalen University, School of Sustainable Development of Society and Technology. (PRO)
Mälardalen University, School of Sustainable Development of Society and Technology. (PRO)
Mälardalen University, School of Sustainable Development of Society and Technology. (PRO)
2008 (English)In: Waste 2008. Waste and Resource management-A shared responsibility, 2008, p. 655-667Conference paper, Published paper (Refereed)
Abstract [en]

The performance of a constructed wetland for treatment of landfill leachate has been evaluated based upon data obtained during 4 years (2003-2006). It consists of a series of 10 ponds with a total capacity of 52.000 m3 covering 8 ha. Using univariate and multivariate statistics (PCA) the reduction pattern of a large number of chemical parameters including heavy metals has been investigated in 3 parts of the wetland with equal volume. Analyses show that many parameters are removed to the greatest extent in the first part of the system (e.g. many heavy metals, total suspended solids) or the second part of the system (N-NH4) while other parameters such as total nitrogen are more gradually reduced (10 ton/year removed).  Toxicity testing with 5 bioassays showed that toxicity was sometimes observed at the inlet but no toxicity was observed at the outlet for 4 of the test species. The data presented will be used for optimizing the treatment process as well as to improve the monitoring program.

Place, publisher, year, edition, pages
2008. p. 655-667
Keywords [en]
constructed wetlands, landfill leachate, PCA, toxicity, Nitrogen retention
National Category
Environmental Sciences Other Industrial Biotechnology Water Engineering Oceanography, Hydrology and Water Resources
Research subject
Energy- and Environmental Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-4521OAI: oai:DiVA.org:mdh-4521DiVA, id: diva2:128271
Projects
Optimization of biological processes for treatment of landfill leachateAvailable from: 2008-12-15 Created: 2008-12-15 Last updated: 2018-02-05Bibliographically approved

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Waara, SylviaWaara, Karl-OttoForsberg, Åke
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Department of Public TechnologySchool of Sustainable Development of Society and Technology
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CiteExportLink to record
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