Chloramines are a different thing to ensuring that there is an adequate free chlorine residual for disinfection. Chlor amines are not strong disinfectants and so it is usually important to disinfect with free chlorine and then convert to chloramine for distribution. Many operators prefer to ensure that the time part of concentration time multiple is maintained rather than making up for poor contact time with high chlorine.
Published by Steve Oxtoby, Process Engineer
Chloramines are a different thing to ensuring that there is an adequate free chlorine residual for disinfection. Chlor amines are not strong disinfectants and so it is usually important to disinfect with free chlorine and then convert to chloramine for distribution. Many operators prefer to ensure that the time part of concentration time multiple is maintained rather than making up for poor contact time with high chlorine.