Abstract
The fresh ferrate solution was prepared by in situ electrolysis method and directly added into the simulated surface micro-polluted water to proceed purification and pretreatment process. To explore the influence on the dosage of ferrate and pH of raw water, the simulated water sample was treated by single factor change coagulation experiment. Combining with turbidity, ammonia nitrogen, humic acid removal rate as the judgment index, and the fractal dimension of floc was calculated by using the platform of floc morphology analysis, the optimal dosage of the ferrate solution and reaction pH range were confirmed. This work revealed profoundly the correlation of turbidity, ammonia nitrogen, humic acid removal rate and flocculation fractal dimension.
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