The result of the experiment shows that not only the nitration of the system but also the removal of total nitrogen are improved sharply,which manifests that the method is economical and feasible.

• 试验结果表明,在原水力停留时间不变的条件下,投加悬浮填料,不仅系统硝化效果明显,而且总氮去除率也能得到显著提高。