| 摘要 |
<p>PROBLEM TO BE SOLVED: To improve capacity of clarification treatment of waste waste by improving position of installation of a distribution tank and a circulation treatment function around this distribution tank. SOLUTION: A waste water treatment apparatus is provided with a distribution tank 2 for distributing waste water which flows into it, an aeration tank 3 into which the waste water flows from the distribution tank 2, a sedimentation tank 4 to which treated sludge from this aeration tank 3 is fed and a storing tank 5 into which waste water from this distribution tank 2 flows and a circulation passage 8 which returns mixed sludge to the distribution tank 2 from the aeration tank 3 and a circulation passage 9 which returns the returned sludge from the sedimentation tank 4 to the distribution tank 2 are additionally provided. In addition, the distribution tank 2 is arranged by providing in parallel the divided rooms 2a, 2b, 2c, 2d, 2e, 2f, 2g and 2h provided by being divided into a plurality of rooms.</p> |
