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聚硅酸铁处理染料生产废水

Dyestuffs and Coloration(2017)

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Abstract
聚硅酸类混凝剂在工业废水处理中具有很广阔的市场前景和发展潜力.实验结果表明按照SiO2/Fe3+摩尔比4~6制备的聚合硅酸铁稳定性及使用效果更好,所制备的聚硅酸铁在pH值2~4和9~12范围内处理染料废水表现出较好的脱色性能,投加量越大越利于废水脱色.对实验的几种染料废水均可以达到95%的脱色率,形成的絮体稳定,易于沉降.温度5~25℃范围内,聚合硅酸铁投加量不足的情况下,温度升高,脱色效果略有改善;当投加足量的混凝剂情况下,温度对脱色效果几乎无影响.
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