高纯度无铁离子的聚合氯化铝制备

The preparation of high purity polyaluminum chloride without iron ion

介绍了聚合氯化铝的使用范围和制备方法 ,对制备高纯度的聚合氯化铝的制备方法进行了详细的探讨。筛选出了一种高效、快速的铁离子有机络合剂 ,该络合剂可在室温、高温条件下使用。经处理的聚合氯化铝为白色 ,铁离子含量小于 6mg/kg。

The preparation and application of polyaluminum chloride were introduced.The preparation method of high purity polyaluminum cholride without iron ion was invented and reported in detail.A kind of effective and quick organic compound which can complex with iron ion was found.The organic complexing agent can be used in low and high temperature.After the aqueous solution of polyaluminum chloride was treated with the organic complexing agent and activated charcoal,the amount of Fe remaining in solvent was less than 6 mg/kg.The colour of polyaluminum chloride is white.