This paper introduced the theory of denitrifying phosphorus removal system.The influence of the concemtration of NO2- was discussed as an important part in this paper.

• 介绍了反硝化除磷工艺的原理以及运行过程中的影响因素,重点讨论了不同浓度的NO2-的存在对反硝化除磷的影响。