Ultraviolet (UV) light, specifically the 254 nm wavelength, is a powerful disinfectant. The chief advantages of using UV water systems over chemical treatment are:
No Residual Chemical or hazardous by-product at the end of the process.
UV water systems offer a "natural" and "green" choice for disinfection and purification of water.
An ultraviolet water purifier is a simple yet effective way to destroy microorganisms in water. A typical UV water treatment system uses an ultraviolet light to kill microorganisms, and may be combined with a water filter to trap these and other contaminants.
HOW DOES ULTRAVIOLET LIGHT DISINFECT WATER?
Short wave UV and Vacuum UV are able to penetrate the cell walls of microorganisms, and subsequently disrupt the cells in such a way as to prevent them from replicating. Microorganisms that are unable to replicate are unable to cause human infection or create damaging situations for manufactured products or processing equipment.
The primary mechanism by which UV inactivates microorganisms is the creation of Pyrimidine Dimers. These are bonds that are formed between adjacent pairs of thymin or cytosine pyrimidines on the same DNA or RNA strand. Once the dimmers are formed the microorganism is "locked up" and unable to reproduce.
The peak wavelengths for cellular penetration and disruption are in the range of 250 – 270 nm. This is why low pressure UV lamps with a peak output of 253.7 are so effective for disinfection purposes.
OPTIONS AND FEATURES OF RES-KEM'S STANDARD ULTRAVIOLET WATER TREATMENT SYSTEMS
UV intensity monitor
Flow rate capacities from 1.5 to 1000 gallons per minute (GPM)
