29-09-2017 дата публикации
Номер: KR101783292B1
The present invention relates to a sewage treatment device and a method thereof and, more specifically, relates to a sewage treatment device and a method thereof, capable of obtaining high quality drawn water by complexly treating sewage, coming from a bioreactor, through precipitation, flotation, and adsorption. According to the present invention, the device includes: a first water tank performing solid-liquid separation on active microorganisms of the sewage, coming from the bioreactor, through precipitation; a stirring machine stirring the sewage to promote the precipitation of the microorganisms in the first water tank; a second water tank installed around the first water tank, and including a bubble generating device to promote flotation and separation of microorganisms of the primary drawn water separated in the first tank; and a third water tank installed around the second water tank, and including an adsorption filter adsorbing and removing anionic substances of the secondary drawn ...
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