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Landfill leachate treatment for metal removal by filtration through reactive substrates - column experiment
KTH, Superseded Departments, Land and Water Resources Engineering.
2004 (English)In: Annals of Warsaw Agricultural University - SGGW, Land Reclamation, ISSN 0208-5771, no 35, 89-97 p.Article in journal (Refereed) Published
Abstract [en]

Ten columns made of PVC tubes with an internal diameter of 9.8 cm were filled with substrate to a height of 50 cm. Two types of leachate water from a landfill in Sö­dertälje, Sweden, were pumped to the columns with a load of 528 L/m2/day during four months. Five columns filled with different substrates received leachate from the ash deposit at the landfill. The remaining five columns received a mixed leachate from the whole landfill area. Both unsaturated and saturated conditions were used for pairs of columns with identical sub­strate. The metal sorption capacity was investi­gated. Columns filled with Polonite® (product from opoka) showed best overall performance. Highest average removal efficiency was obtained by fine-grained Polonite mixed with peat where Co, Cr, Cu, Zn and Mn were removed by 10, 12, 31, 45 and 99%, respectively. High removal efficiencies for all metals can only be obtained with multi-substrate filters, having metal specific sorption capacities.

Place, publisher, year, edition, pages
Warsaw: Warsaw Agricultural University Press , 2004. no 35, 89-97 p.
Keyword [en]
filter, heavy metals, landfill leachate, Polonite, removal efficiency
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-82449OAI: oai:DiVA.org:kth-82449DiVA: diva2:498254
Note
NQCAvailable from: 2012-02-11 Created: 2012-02-11 Last updated: 2012-02-21Bibliographically approved

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