Disinfection of drinking water using chlorine and chlorine dioxide
The importance of water in transmission of certain infectious diseases is well established. A multiplicity of diseases, in particular those of the gastrointestinal tract, can be transmitted by drinking water. These are mainly diseases like typhoid, paratyphoid, cholera, cholerine, shigellosis, leptospirosis, verminosis, as well as diseases caused by viruses, such as e.g. hepatitis and poliomyelitis.
As a consequence of worldwide tourism and resulting contacts with potential epidemic areas, our drinking water is endangered in terms of epidemic hygiene at all times.
The objective of drinking water disinfection is to kill off pathogenic bacteria and to inactivate pathogenic viruses. Table 1 gives a summary of these disinfectants.e.g. by traces of heavy metals.
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