采用自制的阳离子淀粉絮凝剂,以多通道漩涡反应器(MIVM)为连续混凝器,通过实验考察了絮凝剂流量、水流量、盐流量、染料流量和酸流量对活性红SE染料废水絮凝效果的影响。实验结果表明:MIVM四股进入物料及流速分别为:絮凝剂浓度5 g/L,流速50 m L/h;染料浓度0.2 g/L,流速750 m L/h;稀盐酸浓度0.055 g/L,流速100 m L/h;自来水流速250 m L/h,染料色度去除可达99%。在最佳流速下,通过在线连续取样分析表明:装置对染料絮凝具有极好的重复性和稳定性。连续絮凝放大实验结果显示,物料流速放大30倍,染料色度去除率保持稳定,表明MIVM具有很好的絮凝放大稳定性。
【英文摘要】
In this study, we report the synthesis of a cationic starch flocculant. Various parameters influencing the flocculation effect, such as flocculant flow,acid flow, dyeing efficient flow, salt solution flow and water flow, were evaluated by using the multi-inlet vortex mixer(MIVM) as the flocculation reactor. The experimental results showed that color removal was as high as99% for reactive red SE when flocculant concentration and velocity were 5g/L and 50 m L/h, dye concentration and flow rate were 0.2 g/L an...
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