Disinfection is a primary means to destroy/inactive waterborne pathogenic bacteria that could spread diseases in human. Disinfection process is a must in drinking water treatment, and we are all aware of this. In wastewater treatment, disinfectant process is equally important.

Ozone technology has been used for the past two decades or more. It is, however, only now that its use in wastewater treatment has been recognized.

Ozone technology has been used for the past two decades or more. It is, however, only now that its use in wastewater treatment has been recognized. The location of ozone use in wastewater treatment determines the goal of treatment. At the same time, ozone finds use in each stage of wastewater treatment.