Effective Drinking Water Disinfection - an Assessment of Chlorine-based Methods

The need for drinking water disinfection is as old as public water supply itself. Microbiological parameters for drinking water treatment include coliform bacteria and specific pathogenic species of bacteria, vira, and protozoan parasites. Although the objective is the same ? to provide safe clean water ? the methods used to do so are numerous. The most common methods for water disinfection are chemical ones. This article gives a brief overview of chlorine-based disinfection methods and the factors that can influence the choice of method.