Disinfection of purified sewage effluent with monochloramine

Abstract

The inactivation of faecal coliforms in purified sewage effluent by monochloramine was investigated using batch tests. For comparative purposes the data obtained were fitted to various published disinfection models. The series-event kinetic model was found to be the most suitable and was used in conjunction with tracer experiments to compare the predicted and observed inactivation of faecal coliforms in two continuous-flow systems. 18 min-1 for monochloramine concentrations in the 1 to 5 mg//G6C range and pH values between 6 and 8. The model was able to predict the behaviour of the continuous-flow systems.

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