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Polyferric Sulfate
Poly ferric sulphate(PFS) is a polyhydroxy, combination of multi-core, cationic polymeric inorganic flocculant. It can be quickly mixed with water at any ratio. The solution contains large amount of ferric iron and ferrous iron like (Fe2(OH)3)3+, (Fe3(OH)6)3+, (Fe8(OH)28)4+, which has larger molecular weight than other inorganic coagulant.
