讨论了阴极电芬顿体系中电极材料的选择标准,并通过比较选择以钛涂钌铱电极、活性碳纤维电极作为阳极、阴极材料。利用自制的电芬顿反应器,对影响体系处理印染废水效果的各相关因素进行研究。结果表明:阴极电芬顿法处理印染废水效果良好,最佳反应条件:pH值为3,FeSO4投加量为150 mg/L,曝气量为0.1 m3/h,电压为9 V,反应时间为40 min,此时COD的去除率最高,可达到73.5%。
The selection criteria of electrode material in EF-Fenton system was discussed,and by comparing the performance, titanium coated ruthenium iridium electrode was selected as the anode material,ACF electrode as the cathode material. A self-made Electro-Fenton reactor was used to treat printing wastewater,the effects of various factors on the treatment of printing wastewater were experimentally analyzed. The results show that the EF-Fenton system is effective in the treatment of printing wastewater,and the optimal reaction conditions are as follows:reaction pH value of 3,FeSO4 dosage of 150 mg/L,aeration capacity of 0.1 m3/h,voltage of 9 V,time of 40 min. The maximum removal rate of COD reaches 73.5%.
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