【摘要】 简单介绍A／O、A2／O、SBR、化学法等几种常用城市污水脱氦除磷工艺，概述了它们的工艺特征、工艺的优缺点及适用条件，并对A2／O处理工艺提出了增设供泥沉淀池的改进意见。更多还原

【Abstract】 Several processes of nitrogen and phosphorus removal for municipal sewage were dis-cussed, including A/O, A2/O, SBR and chemical procou. drie suggestion were provided for the medifica-tion of A2/O process and SBR.更多还原