新型絮凝剂FMA的制备及其性能研究

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利用Al(OH)3 、FeCl3 、MgCl2 、HCl 研制出了一种新型复合絮凝剂铁镁铝聚合物( 简称FMA) ,研究了该絮凝剂对硅藻土模拟水样的絮凝性能及pH 值对絮凝效果的影响,并与聚合氯化铝( 简称PAC) 作了比较.结果表明:FMA 压缩双电层和降低ζ电位的能力强,絮凝效果、絮体沉降性能远优于PAC,且在pH 为5 .5 ~9 .0 时絮凝效果最佳.此外,还将FMA 应用于造纸废水及采油污水的处理中,使造纸中的油毡原纸废水处理后能达到排放或回用标准,采油污水达到油田回注水标准更多还原
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