The experimental results showed that the polymeric degree of PACS was related to basicity and A13+/ SO42-molar ratio. Drying temperature has an influence on the structure and the solubility of PACS. 由实验结果可推断,PACS聚合形态取决于碱化度及Al~(3+)/SO4~(2-)摩尔比,干燥温度影响PACS的结构形态和水溶性,因而也影响PACS絮凝效果。