the development space of polyferric sulfate (PFS) industry continues to expand

​​ ​​Polymeric ferric sulfate (PFS), also known as polyiron sulfate and polyiron, has the chemical formula [Fe2(OH)n(SO4)3-n/2]m. It is an inorganic polymer coagulant with superior performance. Polyferric sulfate appears as a light yellow amorphous powdery solid, easily soluble in water, slightly soluble in ethanol, and insoluble in ethyl acetate and acetone. Polymeric ferric sulfate has…