19.02.2014
Ultraviolet disinfection systems are used in many water purification systems to control bacteria UV units can be effective water treatment tools. Ultraviolet or UV energy is found in the electromagnetic spectrum between visible light and x-rays and can best be described as invisible radiation.
The degree of disinfection by ultraviolet radiation is directly related to the UV dose applied to the water. Special low-pressure mercury vapor lamps produce ultraviolet radiation at 254 nm, the optimal wavelength for disinfection and ozone destruction. We can fit our systems with a UV intensity monitoring system, which will measure the itensity of the UV lamps between them and the wall of the UV chamber. As water passes through the UV unit, minerals, debris and other material in the water will deposit out and onto the quartz. You must have JavaScript enabled in your browser to utilize the functionality of this website.
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This popularity is deserved because of its potency and range of effectiveness as germicide. Other agents may equal or even excel aqueous chlorine in any one of these characteristics, but there are none that combine them in such an advantageous way ozone, bromine, iodine, chlorine dioxide, silver ions, ultraviolet and ultrasonics uses in special situation, but none of them so far has been a serious competitor of chlorine.
As a result, of all the municipal water supplies that are being chemically disinfected, at least 99 percent use chlorine. Probably the first known use of chlorine as a germicide was Semmelweis when in 1846 he introduced the scrubbing and cleaning of hands in chlorine water between contacts with each mother after he found that child bed fever was being transmitted from mother to mother in maternity wards of Vienna General Hospital. The earliest record of a suggestion to chlorinate water even before water was known to be a carrier of disease germs, is a statement by Dr. UV energy penetrates the outer cell membrane, passes through the cell body and disrupts its DNA preventing reproduction. The UV lamp never contacts the water; it is either housed in a quartz glass sleeve inside the water chamber or mounted external to the water which flows through UV transparent Teflon tubes. Instead the UVc wavelength reduces throughout the year's lifetime of the lamp, and after 1 year tends to reduce dramatically.


This can be configured so that f the UV level level drops to below a pre determined level (i.e. Then in 1881 the German bacteriological Koch demonstrated under controlled laboratory condition that pure cultures of bacteria could be destroyed by hypochlorites.
That water is a mode of transition of disease has been known for only a little more than a hundred years. All of our systems are sized to achieve the desired intensity or dose at THE END OF THE LAMP LIFETIME.



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