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Landfill leachate treatment at a pilot plant using hydrophyte systems

Abstract

Constructed wetlands can provide an effective and economical solution to landfill leachate treatment. In the article the performance of a CW for leachate treatment, consisting of two horizontal flow constructed wetlands (HF-CW) beds, working at the municipal landfill in Gdansk-Szadolki in the period 2004-2005 is being discussed. The plant has been operating since 2001. Clogging problems and surface flow occurred in the system because of insufficient hydraulic conductivity of the filter bed material. Neither the treatment efficiency nor effluent pollutant concentrations meet the design criteria, though quite high efficiencies of PAH (over 70% at both beds), Ntot and N-NH4 (61.7% for bed I and 51.6% for bed II) removal are obtained. The depletion of total alkalinity and pH increase confirm that nitrification process took place in the beds.

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Category:
Monographic publication
Type:
rozdział, artykuł w książce - dziele zbiorowym /podręczniku w języku o zasięgu międzynarodowym
Title of issue:
Management of pollutants emission from landfills and sludge strony 205 - 210
Language:
English
Publication year:
2008
Bibliographic description:
Wojciechowska E., Obarska-Pempkowiak H.: Landfill leachate treatment at a pilot plant using hydrophyte systems// Management of pollutants emission from landfills and sludge/ ed. eds. M. Pawłowska, L. Pawłowski. London: Taylor&Francis/Balkema, 2008, s.205-210
Verified by:
Gdańsk University of Technology

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