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Hydraulic performance of small free water surface constructed wetlands treating sugar factory effluent in western Kenya
Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap.ORCID iD: 0000-0002-6188-0449
SLU.
2012 (English)In: Hydrology Research, ISSN 1998-9563, Vol. 43, 476-488 p.Article in journal (Refereed) Published
Abstract [en]

This study investigated, usinga iithium salt tracer, how macrophyte species and hydraulic ioading rate (HLR) of wastewater infiuenced hydrauiics in constructed wetiands (CWs). Four piiot-scale CWs received 45 mm/day of pre-treated sugar factory effluent and another four received 110 mm/day.Haif the CWs were planted with Cyperus papyrus and haif with Echinochloa pyramidalis. Resuits showed a significant negative connection between tracer mass recovery and wetiand water leaioges. Aiso, a significant negative reiationship between active wetiand water volume and macrophyte density was detected. Further, a significant effect of HLR on mass removal rates of NH/-N was observed. However, no significant effect of either HLR or macrophyte species on wetland hydraulic parameters was found.

Keywords | constructed wetiand, Cyperus papyrus. Echinochloa pyramidalis, hydrauiic ioading rate, hydraulic tracer study, vegetation

Place, publisher, year, edition, pages
2012. Vol. 43, 476-488 p.
Keyword [en]
Constructed wetland, Cyperus papyrus. Echinochloa pyramidalis, hydraulic loading rate
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:hkr:diva-15242OAI: oai:DiVA.org:hkr-15242DiVA: diva2:898924
Funder
Sida - Swedish International Development Cooperation Agency
Available from: 2016-01-29 Created: 2016-01-29 Last updated: 2016-02-03Bibliographically approved

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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  • de-DE
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  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
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Output format
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