| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide membrane separation equipment that can control the operation cost. <P>SOLUTION: The membrane separator 6 that is immersed in a processed water 2 in a treatment tank 3 includes: two or more membrane units 7 and 8; and wall body 9 that surrounds the membrane units 7 and 8 and partitions the space between the membrane units 7 and 8, and the treatment tank 3, wherein the upper end part of the wall body 9 reaches on the water surface of the processed water 2, and the inside of the wall body 9 is partitioned into two or more membrane separation regions 24 and 25 by a partition plate 22, the membrane unit 7 and 8 are disposed at each of the membrane separation regions 24 and 25, and includes air diffusers 12 and 13 at the lower part, the wall body 9 includes a circulation part 26 that communicates the lower parts 24b and 25b of the two or more membrane separation regions 24 and 25 with the external part of the wall body 9, and upper parts 24a and 25b of the membrane separation region 24 and 25 adjoining together communicate together, and a lower part 22a of the partition plate 22 extends a lower side than an upper end position C of the circulation part 26. <P>COPYRIGHT: (C)2012,JPO&INPIT |
