Subsurface flow constructed wetland and method of using the same for wastewater treatment

Subsurface flow constructed wetland and method of using the same for wastewater treatment

A subsurface flow constructed wetland (SFCW) includes a sand layer having a ventilation property of 90 mL/(cm·s) and a permeation rate of less than 0.3 kg/m2/h under a two-meter-high pressure head, a filter layer disposed on the sand layer, and a gabion module disposed on the filter layer. The filte...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Song, Zhenyang, Li, Jielin, Zhang, Jinyong, Jing, Yuming, Xue, Moxi
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:A subsurface flow constructed wetland (SFCW) includes a sand layer having a ventilation property of 90 mL/(cm·s) and a permeation rate of less than 0.3 kg/m2/h under a two-meter-high pressure head, a filter layer disposed on the sand layer, and a gabion module disposed on the filter layer. The filter layer includes fine sand with a particle size of 0.25-0.35 cm. The gabion module includes a gabion box including a plant layer and a filler layer, and the filler layer is disposed on the plant layer.