
【英文篇名】 A Study on Haloacetic Acids Control in Drinking Water Treatment Process and Distribution System
【作者中文名】 李爽; 张晓健; 刘文君; 曹莉莉; 王占生; 张素霞; 金维荣; 姜颍; 吴卫革;
【作者英文名】 Li Shuang \ \ Zhang Xiaojian\ \ Liu Wenjun et al . ( Depart. of Environ. Sci. and Eng.; Qinghua Univ.; Beijing 100084; P. R. China ) Zhang Suxia\ \ Jin Weirong\ \ Jiang Ying et al. (Beijing No. 9 Water Works; Beijing; P. R.China ) \ \;
【作者单位】 清华大学环境科学与工程系; 北京市第九水厂;
【文献出处】 中国给水排水, CHINA WATER & WASTEWATER, 编辑部邮箱 1999年 06期
期刊荣誉:中文核心期刊要目总览 ASPT来源刊 中国期刊方阵 CJFD收录刊
【关键词】 水处理; 消毒副产物; 卤乙酸; 配水系统; 活性炭;
【英文关键词】 water treatment\ disinfection byproducts\ haloacetic acids\ drinking water distribution system\ activated carbon;
【摘要】 研究了北京市第九水厂处理工艺过程中卤乙酸的去除特性,并测定了五个水厂配水管网中卤乙酸的变化情况。结果表明:①传统水处理工艺对卤乙酸的去除率仅在20%以下;活性炭对卤乙酸的去除效果较好,不同运行时期的炭床对其进水中的卤乙酸去除率为50%~85%,去除的卤乙酸占预氯化后水厂进水中卤乙酸总量的40%~70%,其去除作用包括活性炭的吸附和炭床中的生物分解,两者所去除的卤乙酸量基本相同。②配水管网中影响卤乙酸变化的因素较多,如清水池停留时间较短,出水余氯较高,则可能在管网前部继续生成卤乙酸,使其浓度升高;在管网末梢,余氯较低,在微生物的作用下卤乙酸浓度将降低。
【英文摘要】 Characteristics of haloacetic acids (HAAs) removal were studied in Beijing No. 9 Water words. Changes of HAAs concentration in five distrbubion systems served by five water works were also measured. The results showed that: (1) HAAs removal efficiency was low by conventional treatment process, with a removal of less than 20 % . Activated carbon had a satisfactory removal for HAAs, with a removal of 50 % ~85 % depending on operation time of carbon bed, which consists of 40 % ~70 % of total HAAs in the raw ...
【DOI】 cnki:ISSN:1000-4602.0.1999-06-000