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Why do you treat water with UV-C rays?

Articles WATER TREATMENT
31.10.2022
Why do you treat water with UV-C rays? - Light Progress
The drinking water treatments are designed to make the water comply with the requirements for drinking water, improving the aspects: organoleptic (color, smell, taste), chemical (eg by removing iron and manganese) and microbiological (eliminating bacteria harmful to human health as E. coli, Giardia, Legionella, Salmonella, etc.. ).
The quality of water depends on its origin:
- The best quality waters are those derived from sources and deep wells; they generally require simple treatments (sedimentation, filtration and disinfection) as they benefit from the natural phenomena of "self-purification" that occur during the filtration of water in the soil and in the layers of the subsoil.
- Surface waters and some groundwater, especially lowland waters, require longer treatment chains because of their characteristics and their vulnerability to accidental pollution. In some groundwater it is necessary to carry out treatments for the removal of pollutants of both natural and anthropogenic origin.
The disinfection process is the final treatment stage that acts on the residual microbiological component and ensures the absence of pathogenic microorganisms.
 In the treatment chain, disinfection is essential to guarantee the final consumer adequate hygienic-sanitary protection.
Disinfection through the use of UV-C rays with the use of UV-WATER allows to kill the microbiological forms present in the water without altering the chemistry.
This type of process also has other important advantages:
- Reduce the incidence of water purchase costs per family, with the application of our uv-water you can have water always ready to drink, no more buying and transporting crates of water from the supermarket to your home.
- The ecological response of UV-WATER, in recent years there have been many campaigns for the reduction of plastic, on 19 December 2018 the European Commission issued an agreement to cut the production of disposable plastic objects. We respect the environment around us and avoid using disposable bottles. Our UV-WATER with its green philosophy has collected many favors, respects the environment and reduces consumption.

F.A.Q.

Ultraviolet rays are electromagnetic waves which are part of light. Electromagnetic waves are divided into three main wavelength bands, expressed in nanometers, nm: Ultraviolet rays (UV) 100-400 nm Visible rays (light) 400-700 nm Infrared rays (IR) 700-800,000 nm UV rays are in turn identified in three bands:

  • UV-A (315-400 nm) with tanning properties;
  • UV-B (280-315 nm) con proprietà terapeutiche e di sintesi della vitamina "D";
  • UV-C (100-280 nm) with germicidal properties.

UV-C rays (100-280 nm) have a strong germicidal effect and reach their maximum efficacy at the 265 nm wavelength. The germicidal effect of UV-C radiation covers bacteria, viruses, spores, fungi, moulds and mites; this is mainly due to the destructive effect of the UV-C rays on their DNA, which damage their reproductive system and prevent them from replicating.

Bacteria, Viruses, Spores, Fungi, Mould, and Mites are all sensitive to, and can therefore be eliminated with, UV-C light. Mircrobes cannot acquire resistance to UV-C light, unlike that which occurs using chemical disinfectants and antibiotics. UV rays are ecological. Polluting the environment is inevitable using normal disinfectants. Directly inhaling the vapours, or swallowing food products contaminated by any contact with said chemical disinfectants, can also give rise to a number of serious risks. In cases where chemical disinfectants cannot be eliminated (food, pharmaceutical, healthcare industries, etc.), using ultraviolet rays for disinfection allows a reduction in their use, with considerable economic savings and greater care for the environment, while maintaining and almost always improving the level of disinfection. UV-C light devices can be installed in environments and on machinery and be programmed to maintain the same level of disinfection day and night, guaranteeing ideal hygiene conditions, without highs and lows. On the contrary, chemical disinfectants are effective only during their actual use. Using LIGHT PROGRESS equipped luminaires, operating costs are negligible; it could be said that “LIGHT PROGRESS” UV-C systems do not require maintenance except for the normal replacement of the lamps. The cost/benefit ratio is considered excellent; the devices are both powerful and long-lasting. Hence the elimination of germs using UV-C technology is low-cost and highly effective compared to (or in combination with) other systems.

UV-C really does work when applied correctly and with the necessary precautions. The difference between a quality project and an unsuccessful application is in-depth knowledge and experience gained over time. Since 1987, Light Progress has been carrying out successful projects all over the world and has acquired a clientele of major companies in all sectors that require verified hygienic conditions to produce quality products and services.