目前自来水消毒主要采用液氯、次氯酸钠和二氧化氯等三种消毒剂。本文分别从三种消毒剂的化学性质、消毒效果、消毒副产物以及消毒成本等方面进行了比较,并针对不同情况,提出了消毒剂的选择建议。 At present, the main disinfection of tap water liquid chlorine, sodium hypochlorite and chlorine dioxide three disinfectants. In this paper, the chemical properties of the three disinfectants, disinfection effect, disinfection byproducts and disinfection costs were compared, respectively, and for different situations, proposed the choice of disinfectant.