| 摘要 |
<p>An apparatus for biological purification of sewage water having an activation area (100) and one or more separation areas (40, 40'); the activation area is formed by a cylindrical drum 1 and each separation area is formed by a semi-conical shape with the apex down and is connected to the drum by a drum outlet in the drum axis and by a drum inlet (5) at the apex of the cone shape. <IMAGE></p> |
