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This study focused on natural organic matter and trihalomethane removal by ozonation with various ferrous concentration in surface water. Ozonation is more affected by injection concentration than reaction time. dissolved organic carbon removal rates in ozonation increased with the increase in ferrous concentration. The highest removal was obtained at 6 mg/L of ferrous concentration. When 1 mg/L of ferrous was added with 2 mg/L of ozone concentration, it was found to be a rapid decrease in specific ultraviolet absorbance at the beginning of the reaction because ferrous acts as a catalyst for producing hydroxyl radical in ozonation. As ozone concentration increased, trihalomethane formation potential decreased. When 2 mg/L of ozone was injected, trihalomethane formation potential was shown to decrease and then increase again with the increase in ferrous concentration.
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참고문헌 (21)
참고문헌 신청
Brookman, R. / 2010 / Controlling Bromate Formation by Conventional and Innovative Titanium Dioxide Photocatalysis
Camel, V. / 1998 / The use of ozone and associated oxidation processes in drinking water treatment / Water Res. 32:3208~3222
Carroll, T. / 2000 / The fouling of microfiltration membrane by NOM after coagulation treatment / Water Res. 34(11):2861~2868
Chandrakanth, M. S. / 1996 / Effects of ozone on the colloidal stability and aggregation of particles coated with natural organic matter / Environ. Sci. Technol. 30(2):431~443
Chin, Y. P. / 1994 / Molecular weight, polydispersivity and spectroscopic properties of aquatic humic substances / Environ. Sci. Technol. 28(11):1853
Camel, V. / 1998 / The use of ozone and associated oxidation processes in drinking water treatment / Water Res. 32:3208~3222
Carroll, T. / 2000 / The fouling of microfiltration membrane by NOM after coagulation treatment / Water Res. 34(11):2861~2868
Chandrakanth, M. S. / 1996 / Effects of ozone on the colloidal stability and aggregation of particles coated with natural organic matter / Environ. Sci. Technol. 30(2):431~443
Chin, Y. P. / 1994 / Molecular weight, polydispersivity and spectroscopic properties of aquatic humic substances / Environ. Sci. Technol. 28(11):1853
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