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KMID : 0382420010270010001
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Korean Journal of Environmental Health Society
2001 Volume.27 No. 1 p.1 ~ p.7
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Effect on the Hydrogen Peroxide in the Ozonation of Ammonia
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Park Moon-Sook
Ahn Jae-Dong
Ro Bong-Oh
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Abstract
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Ammonia is used in the manufacture of fertilizers, refrigerants, stabilizers and many household cleaning agents. These wide applications resulted in ammonia contamination in water. Ammonia can be removed from water by physical, biological, and chemical methods. Ozonation is effective in the treatment of water with low concentration of ammonia. This study is undertaken to provide kinetic data for the ozonation of ammonia with or without hydrogen peroxide. The results were as follows; The destruction rate of ammonia increased gradually with the influent hydrogen peroxide concentration up to 0.23 mM and inhibited in the range of 0.23~11.4 mM, and the maximum removal rate of ammonia achieved at 0.23 mM of hydrogen peroxide, and the overall kinetics was first order. The combination effect of hydrogen and ozone to oxide ammonia in aqueous solution was better than ozone alone. The reacted ammonia was converted completely to nitrate ion.
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