Persistence of pharmaceuticals and other organic compounds in chlorinated drinking water as a function of time

被引:123
作者
Gibs, Jacob
Stackelberg, Paul E.
Furlong, Edward T.
Meyer, Michael
Zaugg, Steven D.
Lippincott, Robert Lee
机构
[1] US Geol Survey, Trenton, NJ 08628 USA
[2] US Geol Survey, Troy, NY 12180 USA
[3] US Geol Survey, Lakewood, CO 80225 USA
[4] US Geol Survey, Lawrence, KS 66049 USA
[5] New Jersey Dept Environm Protect, Trenton, NJ 08625 USA
关键词
fate; pharmaceuticals; total chlorine; antibiotics; degradation; drinking water; persistence;
D O I
10.1016/j.scitotenv.2006.11.003
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Ninety eight pharmaceuticals and other organic compounds (POOCs) that were amended to samples of chlorinated drinkingwater were extracted and analyzed 1, 3, 6, 8, and 10 days after amendment to determine whether the total chlorine residual reacted with the amended POOCs in drinking water in a time frame similar to the residence time of drinking water in a water distribution system. Results indicated that if all 98 were present in the finished drinking water from a drinking-water treatment plant using free chlorine at 1.2 mg/L as the distribution system disinfectant residual, 52 POOCs would be present in the drinking water after 10 days at approximately the same concentration as in the newly finished drinking water. Concentrations of 16 POOCs would be reduced by 32% to 92%, and 22 POOCs would react completely with residual chlorine within 24 h. Thus, the presence of free chlorine residual is an effective means for transforming some POOCs during distribution. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:240 / 249
页数:10
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