| 摘要 |
<p>A method for the aerobic purification of waste water whereby the waste water and aerobic microorganisms are introduced into the first zone or compartment of an aeration tank comprising three such zones (1,2,3) connected in series, and that the aeration in the middle zone or compartment (2) is carried out to a greater extent than in the first zone or compartment (1), and that the aeration in the last zone or compartment (3) is carried out to a lesser extent than in the first zone or compartment (1). <IMAGE></p> |
