This article analyzes the major cause that creates sludge bulking and emersion and put forward countermeasures for controlling sludge bulking and emersion.

• 分析了引起污泥膨胀、上浮的主要原因,对引起污泥上浮的因素进行探讨,提出控制污泥膨胀、上浮的几种对策。