| 摘要 |
PROBLEM TO BE SOLVED: To provide a membrane separation type septic tank that it is easy to clean a membrane separation device unit. SOLUTION: Relating to the membrane separation type septic tank 10 constituted so that the membrane separation device unit 13 is inserted into one of a divided tank obtained by dividing a tank main body with a partition 15 and a manhole 12 is arranged at the upper part of the divided tank 11a, the external form of the membrane separation device unit 13 is a rectangle, and plural filter membranes 13a capable of subjecting the water to be treated to solid-liq. separation are charged in its inside, and an inclined guide rail 20 is engaged at the partition 15 and the bottom part 11b of the divided tank so that the membrane separation device unit 13 is moved while sliding its bottom part to the guide rail 20 and fitted at a fixed place.
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