UV Sterilization
Reverse Osmosis
Distillation
Water Softening & Iron Removal
Well Abandonment Chlorination
Water Treatment – UV Sterilization
Ultraviolet sterilization, often abbreviated UV, provides rapid disinfection of water with no chemical addition and no residual taste or odor. UV destroys common bacteria by disrupting their ability to reproduce. The killing action is the same as that provided by sunlight in open streams and ponds.
How Ultra Violet Disinfecting works
UV disinfection devices expose the raw water to light from a special lamp which produces UV radiation at 253 nanometers. The device consists of: a UV source, an enclosure to contain the water and UV source, an electrical supply and controls to power the UV device, and plumbing connections to allow installation on a water system.
Features of an Ultraviolet Device
Although the UV tube can be wired to start and stop with your well pump, the industry generally recommends that UV disinfection be run continuously. This prevents any forward migration of disease organisms from the untreated water when the pump is off. Mineral deposits build up on the outside of the UV tube. Some devices have a wiper to clean the outside of the UV tube. Wipers and other additional options may increase the cost of UV devices.
Operational Maintenance
UV bulbs are normally rated for a certain number of hours. Typically 9000 hours (ie 1 year). During this operational period the bulbs loses some of their dis-infections strength. Bulbs should be replaced at the end of this period even if they still appear to function.
As mentioned dissolved minerals in the water may “plate-out” on the UV bulbs. A maintenance schedule should be adopted by the homeowner to ensure that the bulbs are periodically cleaned.
Bacterial samples
DES recommends taking a bacterial samples quarterly, however it must be realized that since the worst case raw water bacteria condition cannot be predicted, test results may be more favorable than the device performance under the worst case condition.
Maufacturer
Wellmaster Pumps installs and maintains Trojan UV products. They have an excellent selection of high quality UV filters for residences and businesses. To find out more about Trojan UV filters, visit their website at www.trojanuvmax.com.
