Device for sanitizing wastewater, comprises inlet for overflowing wastewater, outlet for evacuation of wastewater, filter equipped with medium extending between inlet and outlet, and twining plants, nitrophilous plants or procumbent plants

摘要

The device comprises an inlet for overflowing wastewater, an outlet for evacuation of wastewater, a filter equipped with a filtration medium (23) extending between the inlet and the outlet, twining plants (22), nitrophilous plants or procumbent plants with roots or rhizomes planted in the medium, and a trench having a sealed bottom. The filtration medium has an upper surface inclined towards bottom from the inlet to the outlet, and a thickness of 200 mm to 1 m. The sealed bottom of the trench is inclined towards the bottom direction from the inlet to the bottom, and comprises a geomembrane. The device comprises an inlet for overflowing wastewater, an outlet for evacuation of wastewater, a filter equipped with a filtration medium (23) extending between the inlet and the outlet, twining plants (22), nitrophilous plants or procumbent plants with roots or rhizomes planted in the medium, and a trench having a sealed bottom. The filtration medium has an upper surface inclined towards bottom from the inlet to the outlet, and a thickness of 200 mm to 1 m. The sealed bottom of the trench is inclined towards the bottom direction from the inlet to the bottom, and comprises a geomembrane on which the medium is present. The trench has a length that is ten times of its width. An independent claim is included for a process for fabrication of a device for sanitizing wastewater.