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Elimination of other threats
Things we don't understand usually lead to curiosity or mistrust. Ultraviolet radiation is one of those things that we begin to appreciate the benefits of when we become familiar with it. A brief historical introduction to ultraviolet radiation and the operation of solutions based on this technology.
Ultraviolet rays (UV) are the part of the electromagnetic wave spectrum that starts at a wavelength of 200 nanometers (nm) and reaches the wavelength of violet visible light (400 nm).
One of the best-known sources of ultraviolet rays is the sun and other stars that emit ultraviolet rays. However, only 10% of the sun's rays are ultraviolet rays, and only a third of these rays enter the earth's atmosphere to reach the earth. The ultraviolet rays reaching the equator from the sun are 95% UVA and 5% UVB. No measured UVC radiation reaches the earth's surface from the sun because ozone, oxygen, and water vapor in the upper atmosphere completely absorb the shortest UV wavelengths.
Currently, artificial sources for emitting ultraviolet rays have been created. Artificial sources include germicidal lamps, mercury vapor lamps, halogen lamps, high-intensity discharge lamps, fluorescent and incandescent sources, and some types of lasers.
UV-C light from antibacterial lamps has long been used for disinfection of objects, water and rooms. The old lamps, also known as quartz lamps, worked on the principle of quartzization. In this way, the disinfection was carried out without people being in the room, because if the light reached the skin or eyes, it would be harmful. Therefore, the room was disinfected after people left the environment. Therefore, it is worth noting that in the current situation, such a solution is not appropriate - if a person with COVID-19 returns to the room, the room is no longer safe.
UV-C rays destroy various types of bacteria, viruses, fungi, mold and other pathogens. UV-C germicidal radiation is a disinfection method in which ultraviolet light with a short wavelength (253.7 nm) kills or deactivates microorganisms by destroying nucleic acids and destroying their DNA. This prevents important cellular functions such as reproduction.
Closed UV radiation devices are the only solution that does not harm the people in the room during disinfection. Disinfection is carried out, and individuals do not even feel it. The UV lamp works inside the device, the fan sucks in air from the room, disinfects it and releases it completely sterile into the environment. Additionally generated negative ions carry out disinfection on the outside of the device as well.
The effectiveness of closed UV radiation devices is enhanced by the titanium dioxide nanoparticle-coated panels built inside them. Titanium dioxide, reacting with UV light, carries out ionization - emits negative oxygen and hydroxyl ions into the environment, and the UV lamp itself generates small amounts of ozone.
Negative ions and ozone particles spread with the clean air around the room and destroy the micro-organisms in the air and surfaces outside the unit. Low doses of short-wave UV light are safe and effective in killing many disease-causing viruses.
bactericidal lamp - quartzing - product disinfection - room disinfection - quartz lamp
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