Method and device for purifying domestic sewage

The invention provides a method and device for purifying domestic sewage. The method includes the steps that the to-be-treated sewage flows through more than two stages of earthworm biofilters, and supernatant obtained after the sewage is precipitated is purified water. The device comprises a water...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YANG GEGE, GENG XIAOSA, LI CENRAN, XING MEIYAN, LU YONGSEN, WANG YIN, YANG JIAN, DI WANYIN
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY METALLURGY TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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