BiH
UV Lamp – the Best Results for Disinfection of Water in Households and Industry
Bacteria, viruses and similar microorganisms are found everywhere in nature, including in water. Water on the road to the consumer is treated in various ways to be useful for drinking and washing, but this does not mean that it no longer has microorganisms. The most effective way of destroying such organisms and preventing possible illnesses is water disinfection with UV (ultraviolet) light.
Whether it is used as a multiple step in the water treatment program or separately, UV light begins to play a very important role in the world of water technology. As many of you already know, its use has been widespread in the world for many years.
What Is Ultraviolet Radiation (UV)?
Ultraviolet radiation (UV) is an electromagnetic radiation with a wavelength shorter than the wavelength of visible light but longer than X-ray. It is called “ultraviolet” because its purple color is the first neighbor. That is, if the UV radiation was visible to us – on the spectrum it would be a new color immediately to the purple. In nature, the strongest source of UV radiation – the Sun.
UV rays are part of the natural sunlight but do not belong to the part of the visible electromagnetic spectrum. Ultraviolet light has a wavelength of 200 to 400nm and a very high energy level. The most effective wavelength for disinfection is 254nm and it makes the bulk of the UV lamp shake.
Ultraviolet radiation is usually divided into:
UVA (400-315 nm), long, UVB (315-280 nm), medium, UVC (280-200 nm), short-waved (biocidal) and VUV (200-100 nm), vacuum chamber.
Already in the 19th century, it was established that sunlight is antibacterial, but only later studies have shown that the antibacterial effect of sunlight does not come from visible but invisible light.
By further development of the technology, it was found that the best biocidal results are achieved by UVC (shortwave) radiation at a wavelength of 254 nm.\
Where do UV disinfection systems apply?
UV disinfection systems for water disinfection are designed to disinfect water in public and private waterways, industry, hospitals, hotels, drink preparation and water treatment in swimming pools.
Apply to all facilities where disinfection and water protection is required from viruses and bacteria. UV rays permanently and efficiently destroy such microorganisms, without harmful chemical compounds. UV systems are easy to install in water supply installations, with less adjustment. Water remains unchanged in taste, color and smell.
Approximately 254 nm wavelength radiation spills the cell wall and is absorbed in the cell, i.e. molecules of DNA and RNA, and devours the structure of the molecule, thus preventing further cell replication.
The maximum UVC damping effect is reached at 253.7 nm, and accordingly maximum destruction of DNA. So the more UVC radiation of DNA absorbs, the more damage – the degree of disinfection is growing.
Advantages of UV Disinfection:
UV rays effectively and permanently destroy dangerous microorganisms (bacteria, viruses …),
No harmful chemical compounds and byproducts,
UV systems are easy to install in water supply installations, with less adjustments,
The UV lamp is easily replaced,
UV rays do not affect the taste and smell of water.
Today, in Europe, disinfection with UV radiation is present in over three thousand plants for processing and preparation of drinking water. New technologies for UV radiation, for drinking water, are being developed on a daily basis. The goal of technological progress is to improve system efficiency and reduce investment and operating costs.
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