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以澳门江水为对象,探讨了旱季由于海水入侵引起的饮用水源中溴离子浓度升高对氯化消毒过程中三卤甲烷形成规律的影响.结果表明,海水入侵造成水源水中盐度和溴离子浓度升高,使处理后水三卤甲烷生成势,溴代三卤甲烷浓度及三卤甲烷致癌风险均有所升高.此外,烧杯搅拌试验结果表明,传统给水处理工艺对水中有机物及由其引起的三卤甲烷生成势及三卤甲烷致癌风险没有有效的去除效能.
Taking Macao river as an example, the effects of elevated bromide ion concentration on the formation of trihalomethanes in chlorination process during the dry season were discussed.The results show that salinity and bromide ions The concentration of trihalomethanes, the concentration of trihalomethanes and the carcinogenic risk of trihalomethanes increased after the treatment.In addition, the result of beaker agitation experiment showed that the traditional water treatment process had little effect on the organics in water and the The generation potential of trihalomethane and the carcinogenic risk of trihalomethane are not effectively removed.