| 摘要 |
A plant for treatment of urban run off water where a body of water (50) is separated from a water recipient (60) by means of a flexible curtain (13) extending between the bottom (80) and the surface (90) of the water recipient. The bottom end of the curtain is anchored (14) to the bottom while the surface end is provided with float means (11) being movable across the surface to change the volume of the body of water. |
