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J Korean Soc Environ Eng > Volume 38(2); 2016 > Article
J Korean Soc Environ Eng 2016;38(2): 63-70. doi: https://doi.org/10.4491/KSEE.2016.38.2.63
관망에서의 소독부산물 변화와 관련 영향인자들의 상관관계 분석
송영일, 안수나, 안성윤, 서대근, 조혁진, 이재성, 최일환, 신창수, 이희숙
Variation of Disinfection-by-Prodcut in Distribution System and Evaluation of Correlation between Disinfection-by-Product and Physico-Chemical Parameters
Young Il Song, Suna Ann, Seoungyun Ann, Daeguen Seo, Hyukjin Cho, Jaesung Lee, Ilwhan Choi, Changsoo Shin, Hee Suk Lee
Corresponding author  Hee Suk Lee ,Tel: 042-629-2031, Fax: 042-629-2079, Email: lovealga@kwater.or.kr
Received: September 3, 2015;  Revised: October 21, 2015;  Accepted: February 17, 2016.  Published online: February 29, 2016.
The distributed systems managed by K-water were surveyed to study the characteristic of disinfection-by-product (Trihalomethans & Haloacetic acids) formation and the correlations between the concentrations of disinfection-by-product and physico-chemical parameters. Five distribted system were selected according to their water ages and the degree of deterioration of their pipelines. Total seven items including Trihalomethans (THMs), Haloacetic acids (HAAs), BDOC, DOC, pH, chlorine residual, and temperature were analysed in monthly basis. The concentration of organic matter were increased according to water age and pipeline deterioration in this study. The coefficient of determination between the decline of residual chlorine and the increase of water age was revealed as high. Also, the coefficient of determination between the decline rate of residual chlorine and the increase of the Trihalomethans concentration were studied as high. Furthermore the longer water age is the bigger the effect on Trihalomethans formation and temperature. However, the coefficient of determination between the concentraion of Haloacetic acid and water age, residual chlorine, and temperature were revealed as low in this study.
Key Words: Trihalomethans (THMs), Haloacetic Acids (HAAs), Residual Chlorine, Residence Time of Water (Water Age)
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