| 摘要 |
Process and device for the biological treatment of a liquid phase in which the liquid phase to be treated passes successively, flowing downwards, through a first granular bed 2 into which an oxygenating gas is blown, then through a nonaerated second granular bed 7. The beds 2 and 7 are contained in the same receptacle 1 and are separated by an empty zone 12. <IMAGE>
|
