BACTERIAL EFFECT OF CHLORINE. The effectiveness of chlorine in destroying micro-organisms is dependant on many variables:- The form of chlorine present pH Duration of contact Temperature Type of organism Chlorine demand of the water For effective results, the plant operator should strive to maintain the free chlorine residual at not less than 0.4ppm while an effective upper limit appears to be 2.0-3.0ppm. It should be noted, however, that chlorine in a free residual up to 5ppm does not cause any complaints of irritation etc. by bathers.
Appears in 4 contracts
BACTERIAL EFFECT OF CHLORINE. The effectiveness of chlorine in destroying micro-organisms is dependant dependent on many variables:- variables: The form of chlorine present pH Duration of contact Temperature Type of organism Chlorine demand of the water For effective results, the plant operator should strive to maintain the free chlorine residual at not less than 0.4ppm while an effective upper limit appears to be 2.0-3.0ppm. It should be noted, however, that chlorine in a free residual up to 5ppm does not cause any complaints of irritation etc. by bathers.
Appears in 3 contracts
