Title: Effect of Chloramine Auxiliary Disinfection and Organic Halide Content Change in Drinking Water
Abstract: Compared with chlorine disinfection,chloramine disinfection can effectively reduce the formation of disinfection byproducts.After chlorination in clear water tank,chloramine is used as auxiliary disinfectant to maintain the water quality in water distribution network in Kunshan City.The qualified rate of water quality at monitoring points rises from 92.8% to 99.5%,and the disinfection effect in water distribution network is distinctly improved.When the organic content is high,using chloramine auxiliary disinfection can reduce adsorbable organic halogens in drinking water by 48% comparing with the chlorine disinfection.Under the premise of ensuring the disinfection effect of treated water and water in clear water tank,the chlorine dosage in clear water tank should be reduced as far as possible to control the chlorine disinfection byproduct at a low level.Through the analysis of content of disinfection byproducts,such as trihalomethanes,chlorobenzene and haloacetic acids,it is confirmed that the chloramine disinfection may largely reduce the organic halide content in drinking water,which is consistent with the determination result of adsorbable organic halogen compounds.
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
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