... radical; it can be used as phosphorus removal agent.lower corrosivity ApplicationUsed for industries wastewater treatmnet of printing&dyeing ,papermaking, ... board,food processing ,pharmacy, fertilizer and pesticide etc.suits for phosphorus removal of life sewage treatment plant.used to tap water ... between 100-500 mg/L, dose 10-20 kg for each kiloton wastewater,but the dosage will be increase when ...