The controlling effects of sludge bulking by means of adding quaternary ammonium, PAM and NaClO and changing operation parameters were studied in lab-scale experimental equipment.

• 以小试模拟试验系统为对象，分别研究了投加季铵盐、PAM和次氯酸钠以及调整运行工艺参数等对氧化沟污泥膨胀的控制效果。