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KMID : 1171820040190010001
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Journal of Environmental and Sanitary Engineering
2004 Volume.19 No. 1 p.1 ~ p.7
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The Effect on the pH in ozonation of ammoma with Br catalysis
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Park Moon-Sook
Ahn Jae-Dong
Ro Bong-Oh
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Abstract
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This study was conducted to supply basic infonnations on development of water treatment process for the ozonation of ammonia depend on pH variation with or without bromide catalysis. The results were as follows: The oxidation rate of ammonia increased depend on pH increase at ozone/bromide process. It was found that overall kinetics was zero order with respect to reaction time and reaction velocity constant of zero order increased depend on pH increase from 4.9 to 9.5 and the equation of linearization was ko = 0.00565×[pH] +0.0069 at ozone/bromide process. The denitrification reaction of ammonia was superior as the pH increase in the presence of bromide.
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KEYWORD
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Ammonia, Ozone, Bromide, pH, Oxidation
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