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Mass balance of decabromodiphenyl ethane and decabromodiphenyl ether in a WWTP
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för tillämpad miljövetenskap (ITM).
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för tillämpad miljövetenskap (ITM).
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för tillämpad miljövetenskap (ITM).
2008 (Engelska)Ingår i: Chemosphere, ISSN 0045-6535, E-ISSN 1879-1298, Vol. 74, nr 3, s. 389-394Artikel i tidskrift (Refereegranskat) Published
Ort, förlag, år, upplaga, sidor
2008. Vol. 74, nr 3, s. 389-394
Identifikatorer
URN: urn:nbn:se:su:diva-19045DOI: 10.1016/j.chemosphere.2008.09.054OAI: oai:DiVA.org:su-19045DiVA, id: diva2:185568
Tillgänglig från: 2009-02-20 Skapad: 2009-02-20 Senast uppdaterad: 2017-12-13Bibliografiskt granskad
Ingår i avhandling
1.
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2. Environmental occurrence and behaviour of the flame retardant decabromodiphenyl ethane
Öppna denna publikation i ny flik eller fönster >>Environmental occurrence and behaviour of the flame retardant decabromodiphenyl ethane
2010 (Engelska)Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
Abstract [en]

The environmental occurrence and behaviour of the brominated flame retardant (BFR) decabromodiphenyl ethane (dbdpe) has only been studied to a limited extent. It is structurally similar to decabromodiphenyl ether (decaBDE), which makes it conceivable that dbdpe may also become an environmental contaminant of concern.

A method for environmental analysis and comparative assessments of dbdpe and decaBDE was developed. Both BFRs were studied in: a mass balance of the Henriksdal WWTP in Stockholm (Paper I); an international survey of sewage sludge (Paper II); sediment along a transect from Henriksdal WWTP to the outer archipelago of Stockholm and from isolated Swedish lakes (Paper III); and a benthic food web from the Scheldt estuary (Paper IV).

Dbdpe was found in sludge from every country surveyed, indicating that it may be a worldwide concern. The WWTP mass balance showed that virtually all of the BFRs were transferred from wastewater to sludge. A small fraction was emitted via the effluent, confirming emissions to the aquatic environment. In the marine sediment, the BFR levels close to the WWTP outfall were high. They decreased along the transect to low levels in the outer archipelago. The study of lake sediment showed a widespread presence of dbdpe in the Swedish environment and provided evidence that it originates from long range atmospheric transport. In the food web, dbdpe did bioaccumulate to a small extent which was similar to decaBDE. The transfer of the BFRs from sediment to benthic invertebrates was low, while transfer from prey to predator was higher. Biodilution was observed rather than biomagnification.

This work suggests that the persistence, the susceptibility to long range atmospheric transport, and the potential for bioaccumulation are similar for dbdpe and the regulated decaBDE that it is replacing. Thus, there is a risk that a problematic environmental pollutant is being replaced with a chemical that is equally problematic.

Ort, förlag, år, upplaga, sidor
Stockholm: Department of Applied Environmental Science (ITM), Stockholm University, 2010. s. 34
Nyckelord
brominated flame retardant, decabromodiphenyl ether, waste water treatment plant, mass balance, sludge, long range transport, atmospheric deposition, bioaccumulation, bioavailability
Nationell ämneskategori
Miljövetenskap
Forskningsämne
tillämpad miljövetenskap
Identifikatorer
urn:nbn:se:su:diva-34060 (URN)978-91-7155-997-5 (ISBN)
Disputation
2010-02-05, William-Olssonsalen, Geovetenskapens hus, Svante Arrhenius väg 14, Stockholm, 10:00 (Engelska)
Opponent
Handledare
Anmärkning
At the time of the doctoral defense, the following papers were unpublished and had a status as follows: Paper 3: Submitted. Paper 4: Manuscript. Tillgänglig från: 2010-01-14 Skapad: 2010-01-04 Senast uppdaterad: 2010-01-07Bibliografiskt granskad

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Ricklund, N.Kierkegaard, A.McLachlan, M.
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