【摘要】 本文阐述了生物脱氮除磷的原理和Ａ２／Ｏ工艺流程，并对该工艺流程进行了详细的分析研究，指出了它存在的问题，提出了对Ａ２／Ｏ工艺流程的改进措施．对Ａ２／Ｏ生物脱氮除磷工艺的设计与运转具有指导意义．更多还原

【Abstract】 This paper introduces the principles of biological phosphorus and nitrogen removal with the A2/O process and decribes the flow chart of this process which is then analyzed in detail.This paper also discusses the failure of this process and presents several methods to improve it.It is an instructive paper for the design and operation of biological phosphorus and nitrogen removal with the A2/O process.更多还原