... iron salts of inorganic polymer flocculants.2, Coagulation excellent, alum dense, fast settlement.3, excellent water effect, good ... 4, turbidity remove, decolorization, oil off, dehydration, sterilization, deodorant, algal removal, remove the COD,BOD and heavy metal ... Its role is characterized by: condensate settlement rate, alum large, with excellent dewatering performance. Indicators met or better ...