| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a compact waste water disposal unit in which advantages of a membrane separation method are sufficiently made the most of, and which can also deal with its movement, and to provide an operation method therefor. <P>SOLUTION: Disposal tanks 60 and 70 where the purification treatment of the sewage waste water is performed are provided with influent passages 61 and 71, waste water passages 63 and 73 exhausting treatment water in the tanks via membrane separation devices 62 and 72, circulation passages 64 and 74 circulating the treatment water in the tanks and stirring the treatment water in the tanks, introduction passages 65 and 75 introducing the treatment water in either tank into the other tank, and aeration passages 66 and 76 introducing aeration air into the tanks, and the disposal of the sewage waste water is performed by a circulation method. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p> |
