Abstract:

Dyestuff wastewater has been treated by TiO₂ cascade catalytic electrode and coagulation method.The results show that when the electric pressure is 9 V，electrode distant 1.0 cm，electrolysis time 90 min and pH ranges from 5 to 6，TiO₂ cascade catalytic electrode is used for treating the wastewater in the South Printing and Dyeing Co.，Ltd.Its decolorization rate can be over 96.0% and the removal rate of COD is around 80.0% under the optimum conditions.It is better than traditional methods， having wider adjustability and application prospect.

Key words: catalysis, electrolytic oxidation, TiO₂, printing and dyeing wastewater

摘要：

联合使用TiO₂催化串联电极法和絮凝法处理染料废水.研究结果表明:在电压为9V、电极间距1.0cm、电解时间90min、pH为5～6的最佳处理条件下,使用TiO₂催化串联电极法处理南方印染有限公司的废水,其脱色率达到96.0%以上,COD降解率在80.0%左右.该方法比传统方法处理效果好、适用范围广、应用前景广阔.

关键词: 催化, 电解氧化, 二氧化钛, 印染废水

CLC Number: 

• X703.1