摘要
针对印染废水有机物含量高、碱性大、难处理等特点,结合物化和生化处理印染废水的特征,比较了生化+高级氧化、生化+混凝的两种组合处理工艺的处理效果。研究表明,生化处理对印染废水的COD有较好的去除效果,COD去除率达40%,生化出水再经高级氧化处理后废水COD去除率高达70%以上,生化出水经混凝沉淀后废水COD去除率在56%左右。
In view of the characteristics of printing and dyeing wastewater,such as high organic content,high alkalinity,and difficult to treat,this study compares the treatment effects of two combined treatment processes,biochemical+advanced oxidation and biochemical+coagulation,combined with the characteristics of physicochemical and biochemical treatment of printing and dyeing wastewater.The results show that biochemical treatment has a good removal effect on COD of printing and dyeing wastewater,the removal rate of COD is 40%,the removal rate of COD of wastewater after advanced oxidation treatment is more than 70%,and the removal rate of COD of wastewater after coagulation and sedimentation is about 56%.
关键词
印染废水
生化
高级氧化
printing and dyeing wastewater
Biochemistry
advanced oxidation
