activated sludge filamentation bulking

例句：

1. 1. Theactivated sludge system is designed to remove pollutants from wastewater.
   激活污泥系统旨在从废水中去除污染物。
2. 2.During the activated sludge process, bacteria break down organic matter into simpler compounds.
   在活性污泥过程中，细菌将有机物质分解成更简单的化合物。
3. 3. Bulk materials are added to the activated sludge tank to increase its capacity and improve efficiency.
   向活性污泥罐添加大量材料以增加其容量并提高效率。