聚合硫酸氯化铝铁絮凝剂的性能研究

On the properties of polyaluminum ferric sulfatochloride

文章研究了聚硫酸氯化铝铁 ( PA FCS)、聚合氯化铝 ( PA C)和聚合硫酸铁 ( PFS)投加量对絮凝效果的影响以及PAF CS使用 p H范围 ,比较了 PAFCS、氯化铁 ( FC)和硫酸铝 ( A S)的脱色效果 ,探讨了水中残留铝的脱除。研究结果表明 ,PAF CS除浊效果优于 PAC和 PFS,使 p H范围为 6 .5～ 8.5 ,对分散染料具有良好的脱色效果 ,脱色效果优于 F C和 A S,水中残留铝为 0 .14 mg/L。

In this paper, main research focuses on the influence of the amount of polyaluminium ferric sulfatochloride(PAFCS),polyaluminium chloride(PAC) and polyferric sulphate(PFS) on flocculating results and the range of pH value in which PAFCS may produce the best tubidity removal effect. The results of decolouring by using PAFCS,ferric chloride(FC) and aluminium sulphate(AS) respectively are compared,and the removing of residual aluminum in the water is investigated. The results show that PAFCS has a better turbidity removal effect in comparison with PAC and PFS,and it has the best turbidity removal effect in the range of pH 6.5～8.5. A good decolouring result is obtained by using PAFCS in treating the wastewater containing dispersed dye,and it is better than those by using FC and AS. The water treated with PAFCS contains Al 0.14 mg/L.