| 摘要 |
PURPOSE: An impeller with a microtubule type aeration system is provided. The system decreases the size of air bubbles at low speed, so that dissolved oxygen in the reactor can be maximized, and the death of microorganisms at high speed can be prevented. CONSTITUTION: An impeller with a microtubule type aeration system comprises a reactor(203); an impeller(201) in the reactor(203); an air pathway in the impeller(201); and a microtubule(202) in one end of the impeller(201) for supplying the air bubbles into the reactor(203), wherein the end of the impeller(201) is slanted to prevent the generation of fusion of air bubbles.
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