Stl Technology (Asia) Pte Ltd - Ultra Violet Water Purification Systems

UV Systems for Swimming Pools

Safer water in pools

UV Technology is already used to remove the chloramines normally found in swimming pools. Several hundred of swimming pools all over the world are already equipped with UV systems.

Thanks to the performances, competitive cost and ease of use; UV technology is now supplanting the ozone systems for chloramines removal.

The nuisance of chloramines in swimming pools is well known. Eye and skin irritations are among the most frequent undesirable effects.

Chloramines are produced as a result of the reaction between chlorine and ammonia. It has been common practice to use chloramines in the treatment of public water supplies for over 60 years. The principal disadvantage of chloramines is that it is far weaker and slower acting disinfectant than chlorine and is especially weak for inactivating certain viruses. When chloramines is used as the principal disinfectant, ammonia is added at a point downstream from the initial chlorine application so that micro-organisms, including viruses, will be exposed to the free chlorine for a short period before the chloramines are formed.

Introducing the solution: UV Treatment

UV technology was first discovered in 1906, but started to be established 60 years ago. It is currently more and more commonly used for any kind of water disinfection. Until recently, only low pressure UV lamps were used. The conventional low pressure UV lamp only damages the DNA by absorption of monochromatic UV light with a wavelength of 254 nm (maximum absorption by DNA occurring between 260 and 265 nm). However, under certain conditions, microorganisms use a repair mechanism achieved by enzymes and other bio-molecules. Repair can occur under the influence of light (photo-reactivation) or in the dark (dark repair).

BersonMultiWave lamps with their broad spectrum of wavelengths, damage not only the DNA, but also the RNA, proteins, enzymes and other bio-molecules. Moreover thanks to the high photon density generated by the lamps, a greater number of molecules can be affected simultaneously over a short period of exposure time. Reactivation is impossible: deactivation is total and permanent.

Therefore, by using the Berson technology of MultiWave lamps for the swimming pools, the micro-organisms are definitely destroyed and further more, the MultiWave lamps are significantly reducing the chloramines, the monochloramine, the dichloramine, and the trichloramine. The actual process of chloramines reduction is known as photolysis.

UV technology is not designed to completely replace chlorine, but can help to reduce chlorine significantly.

Increase of attendance proven

It has been reported in swimming pools using UV technology a significant increase in popularity.

Top