UV systems use shortwave ultraviolet light to disinfect air, water, and surfaces without chemicals. UV-C radiation disrupts microorganisms’ genetic makeup, rendering them sterile and destroying them. UV systems are used in commercial and residential settings for disinfection and purification. UV water purification systems are safe, simple to install and maintain, and widely used in municipal water systems. UV-C air purifiers kill germs, mold, and odors and are effective against bacteria and viruses. UV-C wand sanitizers are used to rid surfaces of germs and bacteria. UV radiation is not harmful to humans and does not cause cancer.
Ultraviolet systems, or UV systems, are a range of systems that use shortwave ultraviolet light to disinfect air, water and surfaces without the use of chemicals. Exposure of microorganisms to UV-C, or germicidal UV radiation, in the range of 240 nanometers to 280 nanometers disrupts their genetic makeup, rendering them sterile and ultimately destroying them. UV systems can effectively reduce or eliminate mold, viruses, bacteria, fungi and spores. The systems have been in use for over 60 years in environments that require hygienic and sterile conditions. UV systems are used extensively in both commercial and residential settings as an economical and environmentally friendly way to disinfect and purify.
Many homeowners with septic tanks use UV water purification systems. This water treatment is particularly attractive because it does not add harsh chemicals to the water, produce by-products, or alter the taste or other properties of the water in any way. It is safe for plumbing and septic systems and is simple to install and maintain. UV treatment is also widely used in municipal water systems, because it is environmentally friendly and economical. Whether in the home or on a large scale, UV treatment kills contaminants and renders them completely harmless, but is still usually combined with a filtration system to further remove them.
UV-C air purifiers kill germs, mold and odors. These use a special bulb which produces only tiny traces of ozone which is much lower and, therefore, safer than ozone air purifiers. UV-C air purifiers are especially beneficial for people who suffer from airborne allergens. Additionally, UV-C light technology is extremely effective at killing bacteria and viruses that can cause pneumonia, staph, tuberculosis, bronchitis, and meningitis.
The same technology is available in UV-C wand sanitizers used by both homeowners and travelers to rid surfaces of germs and bacteria. These compact, easy-to-use wands are said to be effective at killing 99.9 percent of germs and bacteria on everything from hotel pillows and toilet seats to computer countertops and keyboards. Similar disinfectants are available to destroy germs on personal items such as toothbrushes.
The UV-C radiation needed by UV systems to kill microorganisms is rare in nature because the earth’s atmosphere blocks it. In a UV system, a special germicidal lamp is used to emit the necessary radiation through mercury vapor, which then penetrates the cell wall of the microorganism, disrupting its ability to reproduce. Over time, the microorganisms are therefore eliminated. Radiation at this level is not harmful to humans and does not cause cancer. No UV-resistant microorganisms are known.
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