“Disinfection is the destruction, inactivation or removal of those micro-organisms likely to
cause subsequent infection of people. Wastewater disinfection refers to the use of a process
designed specifically to reduce the numbers of viable, infectious microbial organisms in an
effluent, ...” (Wright, 1997). Because of its high oxidation potential and specific lethality,
ozone is the most effective disinfectant (killing bacteria, inactivating viruses and protozoa).