flocculated sludge

例句：

1. 1. The wastewater treatment planthas to deal with a lot of flocculated sludge.
   污水处理厂必须处理大量的絮凝污泥。
2. 2. The engineer used aspecial chemical to flocculate thesludge before it was discharged.
   工程师使用一种特殊的化学药品来絮凝污泥，然后再排放。
3. 3. The flocculatedsludge was then filtered through a membraneto remove any remaining solids.
   然后通过一个膜过滤掉剩余的固体物质。