• 关键词：溴离子  溴代消毒副产物  溴代特性  黄浦江水

• 基金项目：国家科技重大专项资助(No.2008ZX07421-004);国家自然科学基金(No.50908138,50878163);国家高技术研究发展计划项目(No.2008AA06A412)

• 梅红
• 上海大学环境与化学工程学院,上海 200444

• 丁国际
• 上海大学环境与化学工程学院,上海 200444

• 黄鑫
• 上海大学环境与化学工程学院,上海 200444

• 高乃云
• 同济大学污染控制与资源化研究国家重点实验室, 上海 200092

• 卢宁
• 上海城市水资源开发利用国家工程中心有限公司,上海 200082

• 摘要：通过水厂出水DBPs调查和氯化培养实验探讨了黄浦江水中溴离子(Br^-)在消毒过程中的迁移及对含溴副产物(溴代三卤甲烷和卤乙酸)生成的影响.结果表明,采用氯胺消毒的水厂出水中约10%的Br^-迁移至Br-THMs和Br-HAAs.氯化培养时,在余氯充足的前提下增加Br^-浓度,总有机溴(TOBr)和含溴副产物均增加.延长氯化反应时间可促进Br^--THMs的形成,但对Br-HAAs影响不大.氯胺消毒较自由氯消毒可有效减少TOBr,其中Br-THMs显著减小.pH由5.0增至9.0过程中,Br-THMs的形成由于碱催化反应得到增强,但由于HOBr/OBr^-比例降低而减少了Br^--HAAs的生成量.

• Abstract：Bromine incorporation characteristics and their effect on the formation of Br-DBPs (Br-THMs and Br-HAAs) in Huangpu River water were explored by investigations of DBPs and batch chlorination experiments of water plant effluent. Results showed that about 10% of the bromide ions in raw water were transferred into Br-THMs and Br-HAAs. During chlorination experiments, TOBr, Br-THMs and Br-HAAs were increased in the case of high bromide concentrations with excess residual chlorine. Br-THMs were increased along with lengthened chlorination reaction time, but Br-HAAs remained almost the same. Compared with free chlorine, chloramine disinfection can effectively reduce the production of TOBr, among which Br-THMs were reduced significantly. When pH increased from 5.0 to 9.0, Br-THM formation was enhanced due to the base-catalyzed reaction, but the ratio of HOBr/OBr was decreased and resulted in the reduction of Br-HAA formation.

• Key words：bromide  Br-DBPs  bromide incorporation characteristic  Huangpu river water

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