The COD removal efficiency was over 70%, the efficiency of decolourization was over 98%, dyeing wastewater could be treated to meet with the second grade standard of dyeing wastewater.

• 该方法工艺简单,药剂成本低,废水的COD去除率迭70%25以上,脱色率达98%25以上,出水水质达到了国家印染废水排放二级标准。