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The influence of temperature on nutrient treatment efficiency in stormwater biofilter systems
Monash University, Melbourne, VIC.
Norwegian Institute for Water Research (NIVA), Trondheim.
Monash University, Melbourne, VIC.
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2007 (English)In: Water Science and Technology, ISSN 0273-1223, E-ISSN 1996-9732, Vol. 56, no 10, p. 83-91Article in journal (Refereed) Published
Abstract [en]

Nutrients can cause eutrophication of natural water bodies. Thus, urban stormwater which is an important nutrient source in urbanised areas has to be treated in order to reduce its nutrient loads. Biofilters which use soil filter media, biofilms and plants, are a good treatment option for 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 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. This behaviour can be explained with both insufficient denitrification and high leaching from the columns

Place, publisher, year, edition, pages
2007. Vol. 56, no 10, p. 83-91
National Category
Water Engineering
Research subject
Urban Water Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-7561DOI: 10.2166/wst.2007.749Local ID: 5f2652c0-a18d-11dc-ac39-000ea68e967bOAI: oai:DiVA.org:ltu-7561DiVA: diva2:980451
Note
Validerad; 2007; 20071203 (godble)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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