| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a sewage treating device high in durability of a filtering body and also being difficult to be made sludge to be stuck to a surfaces of the filtering body. SOLUTION: In the sewage treating device provided with a biological reaction tank 2, a filtering unit 5 dipped and arranged in the inside, an underwater aerator 4 provided at the lower part of the filtering unit 5, and a buffer tank 3 being a lower water level than the water level of the biological reaction tank 2, the filtering unit 5 has a filtering module 10 having a space holding member 11, a spacer member 12 fixed to its one side, and a filtering film 13 consisting of metallic nonwoven cloth held on the surface of spacer member 12.</p> |
