The recently constructed wastewater treatment plant on the island of Thirasia comprises a number of innovative unconventional treatment methods. Mechanically pre-treated wastewater will undergo solar heterogeneous photo-catalysis with TiO2 as catalyst followed by a constructed wetlands (CWs).
Wastewater treatment is followed by ultrafiltration membranes for the tertiary treatment and the further quality upgrade of effluents. The final effluent is then disinfected and will be reused for irrigation in the proximity of the treatment unit, while subsurface disposal of the surplus of the treated effluent will also take place contributing to aquifer recharge.
The combination of natural and engineering treatment systems in the WWTP of Thirasia is expected to achieve high pollutant removal efficiency and compliance with the Greek water reuse legislation. In particular, the demonstration of solar photocatalysis and ultrafiltration as pre- and post-treatment for CWs at full scale helps
National Technical University Athens NTUA
Stamatios Avlonitis (DEYAT)
The AquaNES Project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement no. 689450
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FHNW School of Life Sciences
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