Chlorination Disinfection By-Products in Tap Water and Their Formation Potential in Waste Water.
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概要
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When tap water was analysed by GC/ECD method after hexane extraction, unusual peaks which correspond to haloacetonitrile, haloacetone and chloropicrin were observed in addition to trihalomethanes.<BR>Precursors were found to be in tap water which reacted with residual chlorine to produce haloacetonitrile and haloacetone. It was suggested that once produced haloacetonitrile and haloacetone were further coverted to trihalomethanes during distribution.<BR>City water exhibited a different GC-pattern due to different precursor materials coming from different emission sources. Analysis was made for by-products formation potential of water according to the type of emission source. Of five investigated city waters, two were assumed to have their major souce of the precursor organics from Sewage treatment plant and pulp mill waste water.
- 日本環境化学会の論文
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