| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a processing apparatus of oil-containing water that is equipped with a pretreatment unit as an alternative of a DAF.SOLUTION: A processing apparatus 10 of oil-containing water that processes water containing oil includes a first aeration tank 11 that is supplied with water and accommodates active sludge therein, a second aeration tank 13 that is supplied with water from the lower part of the first aeration tank 11 and accommodates active sludge therein, and a partition 14 that is arranged between the first aeration tank 11 and the second aeration tank 13 and extends downward from a water surface W. The first aeration tank 11 is equipped with an air bubble generating part 12 to generate air bubble. The second aeration tank 13 is equipped with a separation membrane 16 to separate the active sludge.</p> |
