This study investigates the treatment efficiency of the full-scale vertECO® green wall system, developed by alchemia-nova, for all fractions of domestic wastewater. The system consists of aerated, vertically aligned basins operating with subsurface horizontal flow hydraulic regime. While prior research focused on greywater and blackwater liquid fractions, this is the first demonstration treating complete domestic wastewater. Four parallel modules, each with 2-meter basins, were tested with 500 L/day of mechanically pre-treated wastewater from an Austrian eco-village. The results confirm the system’s viability for decentralised, nature-based wastewater treatment.
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