When the influent COD load is F=8.60g/(m~2d), influent ammonia nitrogen is 25 mg / L, 15 mg / L, 40 mg / L, through step feed in the first, second stages of the RBC, ammonia conversion rate can increase to more than 90%.

• 在进水COD盘面负荷为F=8.；60g/(m~2·d)；进水氨氮分别为为25mg/L、15mg/L、40mg/L时；通过在一、二级转盘分点进水；可使氨转化率提高至90%25以上。