| 摘要 |
PURPOSE: Fluidized bed media are provided to prevent microorganisms from being separated from the media, and to uniformly disperse the microorganisms inside an aeration tank. CONSTITUTION: Fluidized bed media comprise the following: a vertical pillar(20) installed in side a casing in a network structure; a disk member(30) rotatably installed on the vertical pillar; and a yarn bunch(40) installed on the outer circumference of the disk member. The casing is formed in a sphere shape by combing first and second cases formed in a semi-sphere shape.
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