UV light will kill any DNA based micro organism when give enough UV dosage.
UV break micro organism’s DNA in a cumulative basis.
Continuous disinfection in cooling water. If micro organism is not effectively deactivated on the first disinfection cycle and in the next cycle it get UV treated.
For 90% kill algae 30000 µWs/cm2 is required for one cycle .
UV spectrum between 185-400nm has a strong germicidal effect, with peak effectiveness at 265nm.
UV works instantaneously against all water-borne microorganisms, including bacteria, viruses, molds, spores and protozoa – including those resistant to chlorine.
UV systems are also very easy to use and can be effectively monitored and integrated with online process control systems.
UV disinfection systems are very compact, modular and easy to
install into existing water treatment systems.
UV does not cause the formation of chemical disinfection by-
products, many of which can have undesired effects of their own.
