Introduction to water disinfection in water supply engineering

The essay introduces the disinfection technology of water supply engineering applied at home and abroad,such as liquid chlorine,chlorine dioxide,chloramines disinfection technology, ozone as well as ultraviolet disinfection technology.According to the analysis of the sterilization mechanisms,operation features,characters and applying range of these ways,it has been found that chlorine disinfection is well developed,which can be used alone or in combination,while ultraviolet disinfection and ozone disinfection technologies can be used as an important part of a combined disinfection technology due to its quick disinfection and less effective time.In addition,the essay also talks about ? the development direction of disinfection technology,providing reference for the choice of various ways of disinfection and reduction of harmful by-product concentration.