| 摘要 |
<p>An apparatus for treating wastewater is provided, which comprises seven tanks connected by an H type pipe (14) in series. The seven tanks are a regulating tank (1), a first biochemical tank (2), a second biochemical tank (3), a third biochemical tank (4), a fourth biochemical tank (5), a recycling tank (6) and a discharge tank (7). Microorganisms, woody bio-supports (9) and aerating pipes (12) at a certain distance from the tank bottom are provided in the regulating tank (1) and the biochemical tanks (2, 3, 4, 5). A sludge recycling pump (11) is provided in the recycling tank (6) and aerating pipes (12) are provided at the bottom of the discharge tank (7).</p> |
