混凝—纳滤法处理印染漂白废水
Environmental Protection of Chemical Industry（2012）
Abstract
采用混凝—纳滤法处理印染漂白废水,考察了混凝剂种类和膜操作条件对出水COD、浊度的影响。实验结果表明:混凝以硫酸为混凝剂、混凝pH为1.0;纳滤运行压力为1.86 MPa、运行温度为20℃、进水pH为7左右、浓缩倍数为1时,纳滤出水COD降至30 mg/L左右,总COD去除率为95.4%;浊度为0,总浊度去除率为100%。出水水质满足工业用水回用标准。
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Key words
dyeing,nanofiltration,bleaching,wastewater treatment,coagulation
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