Disinfection of water and its undesirable by-products.

Origin of undesirable harmful disinfection by-products in drinking and service waters is described. These by-products can be found in water as a result of side reactions of chemical disinfection reagents with naturally occurring organic and inorganic matter. Attention is paid especially to disinfection reagents most often utilized in water treatment practice: chlorine, chlorine dioxide and ozone.Origin of undesirable harmful disinfection by-products in drinking and service waters is described. These by-products can be found in water as a result of side reactions of chemical disinfection reagents with naturally occurring organic and inorganic matter. Attention is paid especially to disinfection reagents most often utilized in water treatment practice: chlorine, chlorine dioxide and ozone