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The Effect on the pH in ozonation of ammonia with Br catalysis  

박문숙 (나주대학 치위생과)
안재동 (서강정보대학 보건환경)
노봉오 (조선대학교 화학교육과)
Publication Information
Journal of environmental and Sanitary engineering / v.19, no.1, 2004 , pp. 1-7 More about this Journal
Abstract
This study was conducted to supply basic informations 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 $k_{o}$ = 0.00565 ${\times}$ [pH] + 0.0069 at ozone/bromide process. The denitrification reaction of ammonia was superior as the pH increase in the presence of bromide.
Keywords
Ammonia; Ozone; Bromide; pH; Oxidation;
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