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Nano Scale Zero Valent Iron (nZVI) has been considered as an effective material for contaminated water cleanup due to the large surface area and its high reducing power. However, due to its high magne...tic force, the particles tend to form aggregates resulted in decreasing its high surface area. To overcome the aggregates problem and increase the particle’s surface area, polyacrylamide has been used as an effective polymer for synthesizing a stabilized nZVI particles. Comparing with non-stabilized nZVI, the polyacrylamide stabilized nZVI exhibited an excellent performance for both of the nitrate reduction and phosphorus adsorption. Different polyacrylamide dosages varied between 0.2 to 2 (g/L) were investigated, a dose of 0.6 (g/L) was the optimum ratio of polyacrylamide to nZVI to achieve the highest removal efficiency for both of phosphorus and nitrate removal. The polyacrylamide stabilized nZVI improved the nitrate and phosphorus removal efficiency by 43.6 and 21.9% respectively with respect to non-stabilized nZVI.The polyacrylamide was proposed as an effective polymer for enhancing the nZVI particles reactivity to treat the nitrate and phosphorus in the contaminated water.Nano Scale Zero Valent Iron (nZVI) has been considered as an effective material for contaminated water cleanup due to the large surface area and its high reducing power. However, due to its high magnetic force, the particles tend to form aggregates resulted in decreasing its high surface area. To overcome the aggregates problem and increase the particle’s surface area, polyacrylamide has been used as an effective polymer for synthesizing a stabilized nZVI particles. Comparing with non-stabilized nZVI, the polyacrylamide stabilized nZVI exhibited an excellent performance for both of the nitrate reduction and phosphorus adsorption. Different polyacrylamide dosages varied between 0.2 to 2 (g/L) were investigated, a dose of 0.6 (g/L) was the optimum ratio of polyacrylamide to nZVI to achieve the highest removal efficiency for both of phosphorus and nitrate removal. The polyacrylamide stabilized nZVI improved the nitrate and phosphorus removal efficiency by 43.6 and 21.9% respectively with respect to non-stabilized nZVI.The polyacrylamide was proposed as an effective polymer for enhancing the nZVI particles reactivity to treat the nitrate and phosphorus in the contaminated water.続きを見る
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