The treating processes of cationic flocculant PDA on papermaking wastewater are reported in this paper. The flocculating behaviors of inorganic polymer coagulant (PFS or PAC), PDA and the composites of PFS or PAC and PDA are studied respectively.

• 报道了用PDA处理废纸再生造纸废水的处理过程,研究了无机絮凝剂聚合氯化铝、聚合硫酸铁或有机絮凝剂PDA单独处理废水和无机絮凝剂与有机絮凝剂配合使用处理废水的效果。