摘要：伴随着活性污泥工艺的产生，污泥膨胀问题一直是运转管理中烦忧人们的最大难题之一。在污水处理比较普及的西方发达国家，象荷兰、德国、英国、美国，有30％～50％的污水处理厂都发生过不同程度的污泥膨胀问题。在我国污水处理起步较早的上海，几乎所有的城市污水处理厂和一些工业废水处理厂都存在一定程度的丝状菌膨胀问题。
Abstract: With the activated sludge process generation, sludge bulking problem has been the operation of the advance in the management of people one of the biggest challenges. In the sewage treatment compared with the popularity of Western developed countries, such as the lunwen114Netherlands, Germany, Britain, the United States, 30% to 50% of the sewage treatment plant have occurred in varying degrees of sludge bulking problem. China's sewage treatment in an early start in Shanghai, almost all of the city sewage treatment plant and a number of industrial waste water treatment plants have a certain degree of filamentous expansion.
关键词：污泥膨胀 丝状菌 絮凝体
Key words: sludge bulking filamentous floc
1 前言
自从1