Chloramines
Distribution water - Disinfection
Article REF: W5500 V1
Chloramines
Distribution water - Disinfection

Author : Jacques MOLES

Publication date: February 10, 2007 | Lire en français

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6. Chloramines

6.1 Introduction

Chloramines are mainly used in Anglo-Saxon countries, where the chlorine taste they impart to the water is a guarantee of good disinfection.

Compared with chlorine, they have the advantage of a much longer service life, which makes them even more attractive for hot water and long, meshed distribution networks, where re-chlorination after leaving the treatment plant is not desirable.

Due to their lower germicidal activity, the doses to be used are high (1 ppm residual when leaving the factory). They should therefore not be used if the consumer fears chlorine tastes.

As a general rule, chlorine or any other disinfectant with "high" potential is used for disinfection,...

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