| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a tertiary treatment device for waste water which captures and removes suspended solids(SS) and sufficiently enables the decomposition of organic matters using bacteria. SOLUTION: In the treatment device in which an oxygen feed tank 1 having an air diffusing member 3 at its bottom, a carrier attachment filter tank 2, and a washing water discharge pump tank 7 with a washing water discharge pump 8 are disposed in this order, in the tank 2, a diffuser member 6 is provided on the bottom of the tank 2 and a carrier bed 4 filled with granular carriers between upper and lower perforated plates 5, 5 is provided above the diffuser member 6.</p> |
