| 摘要 |
<p>A waste water purification process, in particular a continuous waste water purification process is disclosed, as well as a waste water purification pla nt system, in particular for continuous waste water purification. Waste water i s purified in that an aerated mixture of waste water with activated sludge is degassed before being discharged into the secondary settling basin. The wast e water purification system has a venting device (1) that connects the aeratin g container or a separate chamber thereof (7) to the secondary settling basin (10) or a separated chamber thereof (7). The venting device (1) is designed as a U-shaped tube. One of its branches forms the supply collecting pipe (2) an d the second branch forms the discharge collecting pipe (3), whereas the secti on that interconnects its two top ends delimits the intermediate chamber (4) th at contains a separate gas suction chamber (5).</p> |
