N was removed through the simultaneous nitrification and denitrification process.
氮通过发生同时硝化反硝化反应而去除。
The maximum nitrification ratio of fertilizer N in soil is up to 20%-42%, according to the soil fertility and rate of fertilizer N applied.
氮肥中N在土壤中的净硝化率最高达42％，因土壤肥力和施N量不同而异。
This relationship would influence the NH4-N concentration in effluent. For a BAF with nitrification function, the relationship is very important.
这种关系直接影响到滤池出水中的氨氮浓度，这一点对曝气生物滤池的运行，具有重要意义。
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