| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To enable sufficient solid-liquid separation even when the sedimentation properties of sludge are deteriorated, by using a sludge volume reduction process or the like. <P>SOLUTION: A water treatment apparatus is provided with an oxidation ditch tank 1, a final settling basin 2 disposed on the downstream side from the oxidation ditch tank 1, and a solid-liquid separator 5 disposed in the oxidation ditch tank 1, thereby separated water separated by the solid-liquid separator 5 is discharged as treated water not through the final settling basin 2. <P>COPYRIGHT: (C)2004,JPO</p> |
