| 摘要 |
A defoaming apparatus comprises, in juxtaposition, a defoaming treatment chamber internally provided with a defoaming unit for defoaming, as a result of a rotation of a impeller in a casing having a suction port and discharge ports, by suctioning foam of a foaming liquid via the suction port of the casing and colliding the suctioned foam against an inner circumferential surface of the casing by centrifugal force of the impeller and a substantially closed-type tank for housing a foaming liquid, wherein the suction port of the defoaming unit is located in a foam phase region of the tank.
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