文献综述
浅谈A2O污水处理工艺的优缺点及改良措施摘要：随着我国经济的快速发展，居民生活品质不断提高，同时污水量也逐年增加。
污水排放标准的不断提高促使污水处理技术具备更高效、更节能、更环保的特点。
A2O工艺作为一种厌氧-缺氧-好氧相结合的水处理方法，具有良好的脱氮除磷效果，能够有效改善传统污水处理不足的现象，出水水质优、实用性强。
结合相关膜工艺或者人工湿地技术等综合手段，A2O工艺具有很好的应用前景。
本文通过对 A2O污水处理工艺的优缺点进行分析，探讨A2O工艺的影响因素及改良措施。
关键词：A2/O 工艺；脱氮除磷；污水处理；影响因素Abstract:With the rapid development of Chinas economy, the quality of life is constantly improving, and the amount of sewage is also increasing year by year.The continuous improvement of sewage discharge standards makes the sewage treatment technology more efficient, more energy saving and more environmental protection.As an anaerobic-hypoxia-aerobic water treatment method, A2O process has a good nitrogen removal and phosphorus removal effect, and can effectively improve the phenomenon of insufficient traditional sewage treatment, with excellent effluent water quality and strong practicability.Combined with the relevant membrane technology or artificial wetland technology and other comprehensive means, the A2O process has a very good application prospect.Through the advantages and disadvantages of A2O sewage treatment process, discuss the influencing factors and improvement measures of A2O process.Keywords:A2Oprocess;Denitrificationanddephosphorization;Wastewatertreatment; Influencefactor0 引言目前，我国城市经济水平不断提升，城市化进程进一步加快，大量生活污水和工业废水的不达标排放促使污水处理压力不断加大。
与此同时，处理过程中污泥产生的渗滤液和污泥处理系统废水等高负荷废水也随之增多，难降解有机物含量大，传统污水治理工艺很难满足新需求。
污水排放标准的不断提高促使污水处理既要对有机物进行有效去除，又要对氮磷污染物进行深度处理。
『1』 A2O工艺是一种可有效脱氮除磷的水处理工艺，在我国应用较为广泛。
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