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Abstrakt
The results of heavy metals removal and speciation of metals at two treatment wetlands receiving landfill are discussed. The first TW is a surface flow facility consisting of 10 ponds. The next TW is a newly constructed pilot-scale facility consisting of three beds with alternately vertical and horizontal sub-surface flow. The metals concentrations were analysed in leachate(both TWs) and bottom sediments (surface flow TW). Seasonal retention and release ofdifferent metals was discussed. Very high (90.9 - 99.9%) removal effectiveness of metals was observed in case of a mature surface flow TW. The effectiveness of metal removal in a newly constructed sub-surface flow wetland were considerably lower (from 0 to 73%). A study of metal distribution in aqueous - solid phase and metal speciation into labile and stable fractions may contribute to better understanding of metal removal in a TW for LL treatment.
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Informacje szczegółowe
- Kategoria:
- Aktywność konferencyjna
- Typ:
- publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
- Tytuł wydania:
- 12th IWA International Conference on Wetland Systems for Water Pollution Control. Vol. II, Venice, Italy 4-8 October, 2010. strony 1571 - 1579
- Język:
- angielski
- Rok wydania:
- 2010
- Opis bibliograficzny:
- Wojciechowska E.: Removal and speciation of heavy metals in the constructed wetland treating landfill leachate// 12th IWA International Conference on Wetland Systems for Water Pollution Control. Vol. II, Venice, Italy 4-8 October, 2010./ Italy: IWA, 2010, s.1571-1579
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 111 razy