| 摘要 |
<p>Apparatus for aggregation of particles suspended in a liquid, such as sewage, comprises a mass of buoyant, discrete flocculating means 3, such as polypropylene spheres, held between two pervious sheets 7 between an inlet 4 and an outlet 5 for the liquid, and positioned in the downward flow path of the liquid by impervious side walls 2. The flocculating means may be periodically cleaned by bursts of air. The apparatus may be positioned within a settling tank.</p> |
