常规工艺中消毒副产物前体物季节变化研究  

Study on seasonal changes of disinfection by-products precursors in conventional processes

作　　者：陈超[1] 张晓健[1] 何文杰[2] 王秀丽[2] 朱玲侠[1] 韩宏大[2] 李文华[2] 刘静[1] 

机构地区：[1]清华大学环境科学与工程系,北京100084 [2]天津市自来水集团有限公司,天津300040

出　　处：《给水排水》2006年第11期13-17,共5页Water & Wastewater Engineering

基　　金：国家高技术研究发展计划(863)项目(2002AA601140);国家自然科学基金重点项目(50238020)。

摘　　要：对某给水厂进行了一个水文年的月度监测,重点分析了各工艺段出水的三卤甲烷和卤乙酸前体物浓度变化。结果表明,对消毒副产物前体物控制起关键作用的是沉淀工艺和过滤工艺。沉淀工艺对消毒副产物前体物的去除受到混凝效果的影响,随季节有较大波动。过滤工艺出水中三卤甲烷、卤乙酸前体物全年都呈现增长。过滤工艺出水中三卤甲烷前体物的增加明显高于卤乙酸前体物。The water samples taken from each unit operation in a conventional waterworks. were examined monthly in a hydrographic year to investigate the dynamic contents of disinfection byproducts（DBPs）, for instance the trihalomethane and haloacetic acid precursors. The results showed that sedimentation and filtration were the key processes to control DBPs precursors. The sedimentation removal on precursors was influenced by the coagulation efficiency and fluctuated greatly with seasons. The concentrations of both trihalomethane and haloacetic acid precursors in filtrate increased during whole year, but the former increased more.

关 键 词：消毒副产物 前体物 常规工艺 三卤甲烷 卤乙酸 

分 类 号：TU991.25[建筑科学—市政工程]