混凝—铁碳微电解—次氯酸钠氧化处理高氮废水

黄雷,刘叶芳,乐孝楠,黄瑞敏

Treatment of high nitrogen wastewater by coagulation－iron carbon microelectrolysis－sodium hypochlorite oxidation process

Lei HUANG,Yefang LIU,Xiaonan LE,Ruimin HUANG

表1 不同混凝方式下印花废水的处理效果

Table 1 Treatment effect of printing wastewater under different coagulation methods

混凝方式 PAC+PAM PFS+PAM FeCl3+PAM FeSO4+PAM PAC PFS FeCl3 FeSO4 COD去除率/% 41.79 15.81 44.40 81.88 39.68 13.54 40.78 80.39 UV254去除率/% 40.64 0.40 5.28 67.18 39.12 0.40 5.28 66.98 NH4+-N去除率/% 4.62 1.34 8.24 10.96 4.44 1.29 7.12 11.46 TN去除率/% 5.22 9.98 9.84 10.32 5.21 9.35 9.90 10.23