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Ultra Violet (UV) Sterilisation

Ultra Violet (UV) Disinfection is a proven technology that uses low or medium pressure mercury vapour lamps to produce UV light in the UV-C range focused around germicidal susceptibility at a wavelength of 254nm.

As opposed to the strong oxidising effect of chlorine, a UV system produces a wave length that can penetrate the cell wall of bacteria and disrupt the DNA mechanism impeding its ability to reproduce and multiply.  

The construction of a conventional UV Chamber will include inlet and outlet connections, with the UV lamp encased in a longitudinal quartz sleeve.  To protect against biofilm fouling an automatic wiper mechanism is usually employed to wipe the quartz sleeve at pre-determined intervals.  Modern UV chambers have an intensity monitor that can be used to vary the power applied to the lamp, thus maintaining an optimum dose at the wall under varying process conditions.

Typical benefits include:-

  • Micro-organisms are inactivated by UV.
  • Has no effect on taste, odour or pH.
  • Cannot be overdosed.
  • Does not introduce toxic by-products such as THM’s.
  • Requires no chemicals
  • Compact and easy to install.
  • Offers significant return on investment.

WestWater Enterprises are the sole agents and distributors for the ATG UV Technology range of UV products, which have a reputation for quality, reliability and effective treatment of water borne micro-organisms, bacteria and viruses dangerous to humans.