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KMID : 0893319980130030077
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Journal of Environmental Toxicology
1998 Volume.13 No. 3 p.77 ~ p.85
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Models for Formation of Chloroform by Reaction of Linear Alkylbenzenesulfonate with Free Chlorine
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Kim Hea-Tae
Nam Sang-Ho
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Abstract
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It is very frequent that LAS meets the chlorine bleaches not only in the processes but also in the path from the sewages to the rivers. Therefore, it is not difficult to imagine that the harmful substances like DBPs are produced when LAs reacts with free chlorine. THMs are the major components of DBPs which are formed by reactions of organic substances with the chlorine oxidants. Among them, chloroform is the most noteworthy material. Since the major behavior observed was the formation of chloroform during reaction of LAS with free chlorine, the models were developed to grasp the tendency of chloroform formation depending on condition. According to these models, the effect of pH in the formation of chloroform is most grave.
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KEYWORD
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LAS, free chlorine, chloroform, chemodegradation, models
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