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Use of ornamental plants in floating treatment wetlands for greywater treatment in urban areas.
Stefanatou, Aimilia; Markoulatou, Evrydiki; Koukmenidis, Ilias; Vouzi, Lydia; Petousi, Ioanna; Stasinakis, Athanasios S; Rizzo, Anacleto; Masi, Fabio; Akriotis, Triantaphyllos; Fountoulakis, Michail S.
Afiliación
  • Stefanatou A; Department of Environment, University of the Aegean, 81100 Mytilene, Greece. Electronic address: estafanatou@env.aegean.gr.
  • Markoulatou E; Department of Environment, University of the Aegean, 81100 Mytilene, Greece.
  • Koukmenidis I; Department of Environment, University of the Aegean, 81100 Mytilene, Greece.
  • Vouzi L; Department of Environment, University of the Aegean, 81100 Mytilene, Greece.
  • Petousi I; Department of Environment, University of the Aegean, 81100 Mytilene, Greece.
  • Stasinakis AS; Department of Environment, University of the Aegean, 81100 Mytilene, Greece.
  • Rizzo A; IRIDRA Srl, via La Marmora 51, 50121 Florence, Italy.
  • Masi F; IRIDRA Srl, via La Marmora 51, 50121 Florence, Italy.
  • Akriotis T; Department of Environment, University of the Aegean, 81100 Mytilene, Greece.
  • Fountoulakis MS; Department of Environment, University of the Aegean, 81100 Mytilene, Greece.
Sci Total Environ ; 912: 169448, 2024 Feb 20.
Article en En | MEDLINE | ID: mdl-38135068
ABSTRACT
Floating treatment wetlands are considered a promising and low-cost technology for the treatment of polluted water and wastewater. However, their functionality and efficiency in different types of wastewater are not fully understood. In this study, several ornamental plant species (monocultures Canna sp., Iris sp., polyculture Iris orientalis, Cyperus sp., Acorus gramineus) were tested in two different types of floating mats, including a media supported floating mat (MSFM) or a simple plastic grid, and evaluated for optimal removal of the studied pollutants. The results regarding pollutant removal revealed that planted systems grown in MSFM achieved significantly higher removal rates (up to 90 %) compared to the plastic grid (up to 80 %). Statistically significant higher removal rates were obtained for the planted systems compared to the unplanted systems either grown in MSFM (for turbidity (planted 82-90 %; unplanted 44 %), COD (planted 74-84 %; unplanted 32 %) and BOD5 (planted 76-85 %; unplanted 51 %), respectively) or grown in the plastic grid (for turbidity (planted 64-78 %; unplanted 44 %) and COD (planted 43-75 %; unplanted 32 %), respectively). During the experimental period (7 months), all plants managed to survive and withstand the weather variations. The plants in polyculture followed by Iris sp. plants in plastic grid floating mats were better adapted, as indicated by maximum quantum efficiency of PSII values and chlorophyll content index, while all the plants were considered well adapted in the MSFM. Overall, the implementation of floating treatment wetlands with ornamental vegetation for greywater treatment in urban areas seems to be a sustainable and efficient approach.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Contaminantes Químicos del Agua / Contaminantes Ambientales Idioma: En Revista: Sci Total Environ Año: 2024 Tipo del documento: Article Pais de publicación: Países Bajos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Contaminantes Químicos del Agua / Contaminantes Ambientales Idioma: En Revista: Sci Total Environ Año: 2024 Tipo del documento: Article Pais de publicación: Países Bajos