聚硅酸铝铁Q6a及有机絮凝剂F2处理印染废水

Treatment of Dyeing Wastewater by Polymeric Silicate Q6a and Cation Polymer Flocculant F2

以硅酸钠、硫酸和硫酸铝为原料制备了无机高分子复合聚硅酸铝铁絮凝剂Q6a及Q6b ,对染整工业排放的靛蓝废水的絮凝性能优于聚合氯化铝 ,更优于聚硅酸铁 ,加入 10分钟左右 ,絮凝物即可沉降 ,废水经絮凝处理后透光率达到 99%。又以原料淀粉、丙烯酰胺、ETA开发成功了有机高分子阳离子絮凝剂F2 。

The Composite polymeric silicates Q6a and Q6b ,inorganic polymeric flocculants, were prepared from Na 2SiO 3, H 2SO 4 and Al 2(SO 4) 3. The tests showed that the flocculation effects of Q6a and Q6b on indigo dyeing wastewater were better than those of polymeric aluminum chloride and polymeric iron silicate. The transparency of wastewater treated by Q6a was up to 99% after 10 minutes. Cation polymeric flocculant F2 was prepared by reaction of starch, acrylamide and ETA. The flocculantion effect of the mixture of Q6a and F2 was even better than using them separately.