Rooftop Treatment Ponds
Rooftop water purifying ponds are being used on rooftops. These green roofs can be built from a simple substrate (as is being done in Dongtan) or with plant-based ponds (as is being done by WaterWorks UK Grow System). Waterzuiveren.be Plants used include calamus, Menyanthes trifoliata, Mentha aquatica, ...
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