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Formation and properties of sediments in constructed wetlands for treatment of domestic wastewater
National Academy of Municipal Economy, Ukraine.
National Academy of Municipal Economy, Ukraine ; University of the Algarve, Portugal.
National Academy of Municipal Economy, Ukraine.
National Academy of Municipal Economy, Ukraine.
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2016 (English)In: Urban Water Journal, ISSN 1573-062X, Vol. 13, no 3, 293-301 p.Article in journal (Refereed) Published
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Text
Abstract [en]

Sediments formation and biogeochemical properties were studied in an experimental constructed wetland site in Ukraine (Bioplato) for treatment of domestic effluents. The wetland, with a capacity of 50m(3) d(-1) of wastewater, consists of vertical and horizontal filtrations units with fine gravel, middle and coarse sand, a subsurface flow unit with natural wetland soil applied, and a septic tank and sludge-drying field. Macrophytes, reed (Phragmites australis), cattail (Typha latifolia) and a number of sedge species (Carex spp.) were planted in the area and dominate the average cover of 85-90%. Treatment efficiency for BOD5 and suspended solids was 93-96%, for COD - 82%, for nutrients - 27-50%, and for pathogenic microorganisms 99.3-99.6%. Sludge was sampled at each unit followed by standard laboratory analyses of its main characteristics: total organic carbon (TOC), total nutrients (N, P), contents of trace elements, abundance of pathogenic microorganisms, and general toxicity. Results confirmed that the top layer of sludge from each unit of wetland could be used as a source of fertilizers for grain and leguminous crops.

Place, publisher, year, edition, pages
2016. Vol. 13, no 3, 293-301 p.
Keyword [en]
sediments, TOC, nutrients, constructed wetlands, treatment, domestic effluent
National Category
Environmental Sciences
Research subject
Natural Science, Environmental Science
Identifiers
URN: urn:nbn:se:lnu:diva-50792DOI: 10.1080/1573062X.2014.993178ISI: 000368806400007Scopus ID: 2-s2.0-84955735746OAI: oai:DiVA.org:lnu-50792DiVA: diva2:912377
Available from: 2016-03-16 Created: 2016-03-16 Last updated: 2016-11-17Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf