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Water UV sterilization - In Tank

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Water UV sterilization - In Tank-UV

Waterlogic's patented In-Tank UV technology harnesses the power of UV light for water UV sterilization by featuring a UV lamp placed in the very centre of the cold tank. The design of each water tank and UV lamp specification are matched and tested to provide the highest water sterilization levels possible.

UV light destroys the growth of bacteria by destroying its DNA core, thus rendering it incapable of reproducing. The ultraviolet lamp within Waterlogic UV systems operates at a frequency of 253.7 nm, which is proven to be the most effective wavelength against bacteria.

All bacteria and viruses are destroyed by sterilizating UV light, though some more easily than others. Waterlogic UV technology is effective against all bacteria, including the more resistant Pathogens, E. Coli, Legionella, Salmonella, Hepatitis, and the Poliovirus, to name just a few.

Research has confirmed that UV light is extremely effective against cryptosporidium. Unique to Waterlogic's range of water dispensers is the patented Automatic Purification Monitoring System (APMS) on select models. The APMS monitors the effectiveness of the UV light and will trigger an alarm should the lamp be defective. The unit will also stop the supply of water until the faulty lamp has been replaced, thus guaranteeing the purity of water at all times. Waterlogic technology has been tested to NSF/ANSI standards. The Waterlogic 3000 water treatment system has been awarded with NSF/ANSI 55B, a certification of drinking water purification using ultraviolet light.

UV light destroys the growth of bacteria so Hygienic Water is Guaranteed.

More about UV Light

ULTRAVIOLET LIGHT

Ultraviolet (UV) light is electromagnetic radiation with a wavelength shorter than that of visible light, but longer than soft X-rays.

UV Light Spectrum - Visible light:
•The "visible light" which our eyes can see makes up only a small part of the total spectrum.
• Visible light runs from the familiar blue to green to yellow to orange to red. Red light is the least energetic of the colours of visible light, and blue is the most energetic.
•Beyond the red end of the visible part of the spectrum lies ultraviolet light, X-rays and gamma-rays.

What is UV?

The ultraviolet radiation in sunlight is divided into three bands:
•UVA (320-to-400 nm) light, which is responsible for sun tanning.
•UVB (280-to-320 nm) light, which causes sun burning and the danger of skin cancer.
•UVC (200-to-280 nm), which is absorbed by DNA causing genetic damage and the inactivation of bacteria and viruses. Called “Germicidal”.

UVC
•UV light is most commonly generated by low- and medium-pressure mercury vapor lamps.
•The energy is emitted at 253.7 nm which is proven to be the most effective wavelength against bacteria.
•Waterlogic uses the Philips TUV range of lamps for the dispensers. Effective against all bacteria including the more resistant Pathogens. E. Coli, Legionella, Salmonella, Hepatitis, and the Poliovirus.

Lamp Construction
The process
•The actual lamp(s) is housed in a quartz sleeve. This sleeve not only helps maintain maximum operating temperature, but also prevents the lamp from coming in contact with the water.
•While in the chamber, the water receives doses of UV energy. To be effective, a minimum dosage of 16,000 microwatt second per square centimetre is applied based in 2L stainless steel tank.
•Since the treatment does not change either physical or chemical properties, the water is ready for use when it leaves the purifying unit.

Fundamental mechanism of UV disinfection or inactivation:
•Studies show that DNA molecules in the nucleus of the organism absorb ultraviolet light.
•If two thymine bases are located adjacent to each other, absorption of a UV photon by one of the thymines leads to formation of a chemical bond between the two thymines (called a thymine dimer).
•This disrupts the structure of the DNA.
•DNA cannot replicate in cell mitosis, thus sterilisation has taken place.

Benefits of utilising UV technology for water purification:
•No need for toxic and expensive chemicals
•Fast treatment
•Scalable to treat millions of litres per day.
•Extremely reliable
•Simple handling
•Extremely low cost operation
•Low maintenance
•Once installed, the units will only need periodic cleaning and 6 month lamp replacement