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Hazard assessment of sediments from a wetland system for treatment of landfill leachate using bioassays
Abstrakt
Four bioassays were used in this study for the hazard assessment of sediments from sediment traps and several ponds in a treatment wetland for landfill leachate at Atleverket, Sweden. In the 6-day solid phase microbiotest with the sediment-dwelling crustacean Heterocypris incongruens both acute and chronic effects were observed with a gradual decrease and loss of toxicity with treatment in the wetland system. Some samples showed a low toxicity in pore water and only one sample was weakly toxic in the whole sediment test when assessed with Aliivibrio fischeri (Vibro fischeri). No genotoxicity was detected in the umu test.The toxicity response in the H4IIE-luc test evaluating the presence of dioxin-like compounds was considerably higher in the samples from the sediment traps. The hazard of the sediment therefore appears to be highest in the sediment traps and pond 1 with the methods employed.The result indicates that the wetland system has a design supporting the concentration and sequestration of toxic substances in the first part of the wetland. Based upon the results we suggest that hazard assessment of sediments from other treatment wetlands for landfill leachate should be conducted.
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Autorzy (7)
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Barbara Huerta Buitrago
- Mälardalen University School of Sustainable Development of Society and Technology
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Patricia Ferrer Muñoz
- Mälardalen University School of Sustainable Development of Society and Technology
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Veronica Ribé
- Mälardalen University School of Sustainable Development of Society and Technology
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Maria Larsson
- Örebro University Man-Technology- Environment Research Center, School of Science and Technology
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Magnus Engwall
- Örebro University Man-Technology- Environment Research Center, School of Science and Technology
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Sylvia Waara
- Mälardalen University School of Sustainable Development of Society and Technology
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuł w czasopiśmie wyróżnionym w JCR
- Opublikowano w:
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ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
nr 97,
strony 255 - 262,
ISSN: 0147-6513 - Język:
- angielski
- Rok wydania:
- 2013
- Opis bibliograficzny:
- Huerta Buitrago B., Ferrer Muñoz P., Ribé V., Larsson M., Engwall ., Wojciechowska E., Waara S.: Hazard assessment of sediments from a wetland system for treatment of landfill leachate using bioassays// ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY. -Vol. 97, (2013), s.255-262
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.ecoenv.2013.08.010
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 128 razy