Tests show that the equivalent sludge concentration and the quantity of nitrobacteria in the aerobic tank were increased when some suspended biomass supports were added in it.

• 试验表明应用浮动填料可大幅度提高曝气池中的活性污泥浓度并增加硝化菌的固着量，因而使该系统对COD、氨氮和总氮的去除能力均优于普通活性污泥系统。