Cooling tower operators are responsible for the safe and efficient operations of the tower including the control of microbial growth (Pseudomonas aeruginosa and Legionella spp), biofilm build-up and the build-up of mineral deposits. The most common approach to this problem is the use of a variety of chemicals – partially toxic – such as biocides, corrosion inhibitors and hardness stabilizers.

Enva, together with our partner Enviolet, can provide an effective alternative where the closed-loop water in cooling towers is conditioned by combining high energetic UV-lamps with the addition of minimal amounts of hydrogen peroxide . The approach offers many technical and economic advantages

Advantages of UV/H2O2:                     

  • Reduced number & volume of Chemicals Required
  • Reduced Corrosion or Increased Salt-Load
  • Elimination of Bromine and chlorine based biocides.
  • No Build-up of Bio resistances
  • No separate treatment of blow-down water required (No AOX)
  • Lower Operating Costs
  • Environmentally Friendly

 

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