So,over-high or over-low pH was not sure to cause activated sludge bulking in industrial wastewater treatment by SBR.

• 在整个试验过程中 ,镜检未见过量真菌和其它丝状菌 ,可见用SBR法处理工业废水时 ,过低或过高的pH值不一定引起污泥膨胀