活性污泥法在城市污水处理中的应用 摘要：本文介绍了活性污泥法的基本原理、 工艺流程，论述了以活性污泥法 为原理的几个污水处理工艺的特点。 关键词：活性污泥法；城市污水处理 Application of activated sludge process in urban wastewater treatment Qin Hao (Administration of key project construction, Fuyang 236000) Abstract: This paper introduces the basic principle, technological process of activated sludge process; discusses the characteristics of several wastewater treatment proce