METHOD AND SYSTEM OF WASTEWATER TREATMENT USING FACULTATIVE-ORGANISM-ADAPTED MEMBRANE BIOREACTOR
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May 24, 2017
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Sep 1, 2015
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A wastewater treatment system including a facultative-organism-adapted membrane bioreactor. The facultative-organism-adapted membrane bioreactor includes a reaction vessel, a membrane separation system, a water production system and an aeration system. The membrane separation system is disposed in the reaction vessel. The water production system communicates with the membrane separation system to pump a filtrate out of the membrane separation system. A wastewater treatment method using the facultative-organism-adapted membrane bioreactor includes: aerating the reaction vessel to enable a dissolved oxygen concentration in over 50% of the reaction vessel is smaller than 1 mg/L, a dissolved oxygen concentration in the membrane separation system is smaller than 2.0 mg/L, and a dissolved oxygen concentration in the reaction vessel excluding the membrane separation system to be greater than 0 and smaller than 1.0 mg/L.
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