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Biofilter treatment of stormwater: temperature influence on the removal of nutrients
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Architecture and Water.ORCID iD: 0000-0003-1725-6478
Norwegian University of Science and Technology (NTNU), Trondheim.
Monash University, Melbourne, VIC.
Show others and affiliations
2007 (English)In: Techniques et stratégies durables pour la gestion des eaux urbaines par temps de pluie: 6e Conférence internationale, [25-27] juin 2007, Lyon, France, Villeurbanne: Graie , 2007Conference paper, Published paper (Refereed)
Abstract [en]

Nutrients can cause eutrophication of natural water bodies. Thus, urban stormwater which is an important nutrient source has to be treated in order to reduce its nutrient loads. Biofilters which use media, biofilms and plants, are a good treatment option regarding nutrients. This paper presents the results of a biofilter column study in cold temperatures (+2°C, +8°C, control at +20°C) which may cause special problems regarding the biofilter performance. It was shown that particle bound pollutants as TSS and a high fraction of phosphorus were reduced well without being negatively influenced by cold temperatures. Nitrogen, however, was not reduced; especially NOx was produced in the columns which can be explained with both insufficient denitrification and high leaching from the columns.

Place, publisher, year, edition, pages
Villeurbanne: Graie , 2007.
National Category
Water Engineering
Research subject
Urban Water Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-27882Local ID: 1749aeb0-5184-11dc-959a-000ea68e967bISBN: 9782950933775 (print)OAI: oai:DiVA.org:ltu-27882DiVA: diva2:1001073
Conference
NOVATECH 2007 : 24/06/2007 - 29/06/2007
Note
Godkänd; 2007; Bibliografisk uppgift: Traitement des eaux de ruissellement par biofiltration: influence de la température sur l'absorption de nutriments; 20070823 (godble)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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CiteExportLink to record
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