Solutions / Municipal / Drinking Water / Applications
UV Water Treatment - Primary Disinfection
By employing UV as the primary disinfectant, the required chemical contact time can be reduced or eliminated (dependant upon local regulations).
Traditionally, chlorine has been used for the primary disinfection of drinking water. However, chlorine disinfection can form disinfection by-products. UV disinfection is a physical process that does not involve the use of chemicals and does not create any disinfection by-products. In addition, UV has the added benefit of being able to inactivate chlorine-resistant microorganisms like Cryptosporidium and Giardia.
In some regions, UV can provide all the required protozoan, bacterial, and viral inactivation (including USEPA 4-log virus inactivation). In other regions, UV is used as the primary disinfectant and a small chemical residual is added to the water as it travels through the water distribution system.
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