饮用水中三卤甲烷的生成特性及控制技术研究

摘要

Chlorine would usually react with the humic acid(HA) and generated trihalomethanes(THMs).The content of alkyl halide in drinking water including TCM, bromodichloromethane(DCBM), dibromochloromethane(DBCM) and tribromethane(TBM), was higher than source water.THMs is closely related with cancer, malformation and genetic disease.The formation characteristics, mechanism, influence factors of THMs and its remove technology were reviewed in this paper, providing theoretical foundation for deeply study on the formation mechanism and the source of organic matter.New technology of removing THMs would be more economical and feasible.Meanwhile the health risk of THMs should be evaluated.%水源中的腐殖酸等有机物在氯消毒过程中通常会与消毒剂发生反应生成三卤甲烷,且饮用水中卤代烷含量往往高于水源水,包括三氯甲烷(TCM)、一溴二氯甲烷(DCBM)、二溴一氯甲烷(DBCM)以及溴仿(TBM)等,以三氯甲烷为主.三卤甲烷(THMs)已被证实与动物体的癌症、畸形及遗传病密切相关.文章主要从三卤甲烷的生成特性与机理、影响因素及其去除控制技术等几方面对国内外有关研究进行具体综述和介绍,为今后更深入地研究THMs的生成机理及其前体有机物来源提供理论依据,以便寻求更经济实用、切实可行的控制与去除THMs的新技术,同时也应加强THMs暴露的健康风险等方面的评价.