A new method for synthesizing polymeric ferric sulfate (PFS) which main material are waste sulphuric acid and offscum.

• 介绍了一种以工业废渣-炼钢烟尘为主要原料,辅以化工厂废硫酸而制成高效无机絮凝剂-聚合硫酸铁(PFS)的新方法。