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Removal of stormwater particulates by disc filter technology
Technical University of Denmark, Denmark.ORCID-id: 0000-0002-9271-120X
Technical University of Denmark, Denmark.ORCID-id: 0000-0003-3799-0493
Technical University of Denmark, Denmark.ORCID-id: 0000-0002-5472-8553
2013 (engelsk)Inngår i: Presented at the 8th International Conference on Planning and Technologies for Sustainable Urban Water Management, Lyon, France, June 23-27, 2013, 2013Konferansepaper, Poster (with or without abstract) (Annet vitenskapelig)
Abstract [en]

The trend in the Danish society is toward disconnection of stormwater from the combined sewers and, where needed, local treatment using the best available technologies (BAT). The aim here was to assess a fast filtration technology for removal of particulate matter in stormwater with an emphasis on colloidal and nanosized particles. During the project period it rained 8.5 % of the time and the average daily rainfall was 2.9 mm/day. Based on three individual storm events it was found that 95 % of the particles were <10 µm. The nanosized particles (0.01-1.2 µm) were found to be anionic charged and in the size-range of 100 nm. The physical treatment of particle filtration at 10 µm was inadequate to remove the small particles identified in this project. Coagulation with a cationic coagulant and subsequently flocculation is suggested as process improvements technologies.

sted, utgiver, år, opplag, sider
2013.
Emneord [en]
Colloids, Flocculation, Organic matter, Runoff, Suspended solids
HSV kategori
Identifikatorer
URN: urn:nbn:se:lnu:diva-87220OAI: oai:DiVA.org:lnu-87220DiVA, id: diva2:1341360
Konferanse
8th International Conference on Planning and Technologies for Sustainable Urban Water Management, Lyon, France, June 23-27, 2013
Tilgjengelig fra: 2019-08-08 Laget: 2019-08-08 Sist oppdatert: 2019-09-02bibliografisk kontrollert

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Eriksson, Eva

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Nielsen, KatrineMikkelsen, Peter SteenEriksson, Eva

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