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Επεξεργασία αστικών λυμάτων σε τεχνητούς υγροβιότοπους του ελόφυτου Juncus acutus

Manali Anthoula

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Summary

Wastewaters’ management is one of the most important problems in society, mainly due to their harmful contaminants, such as endocrine disrupting chemicals (bisphenol A) and antibiotics (sulfamethoxazole). In recent years, there has been an increasing interest in urban wastewater treatment, using alternative methods such as phytoremediation, in which plants and associated microorganisms are used to remove hazardous organic compounds. Helophytes are widely applied in phytoremediation technologies because of their resistance to organic and inorganic pollutants.In the present study, a pilot-scale horizontal subsurface constructed wetland has been implemented, in order to investigate the efficiency of Juncus acutus in treating primary wastewater. In addition, its ability in degrading emerging organic pollutants (bisphenol A and sulfamethoxazole) combined with synthetic organic wastewater, was studied. Furthermore, the effect of these pollutants on water quality parameters’ removal was indicated.The results showed that this phytoremediation system is efficient in removing synthetic wastewater as well as in improving water quality parameters. Also, this constructed wetland proved to be effective in removing bisphenol A, but not sulfamethoxazole. Finally, these two pollutants did not affect the removal of chemical oxygen demand, but they decreased total nitrogen and total phosphorus removal.

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