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Using Ozone in Cooling Towers


Ozone Advantages

  • 3,125 times more germicidal than chlorine
  • Eliminates the use of chemicals (except for pH balancing)
  • Ends discharge liabilities and chemical storage record keeping
  • Destroys all types of micro-organisms instantly
  • Minimizes condenser fouling
  • Decomposes organic waste through oxidation
  • Removes existing calcium carbonate scale by destroying the biomass glue bonding agent
  • Low maintenance costs
  • The most environmentally friendly oxidant
  • No persistent chemicals or disinfectants in bleed - ozone breaks down to oxygen
  • Reduces the corrosion rate of metals, including copper heat exchangers
  • Saves on energy costs by increasing the heat transfer efficiency of the chiller

Ozone Reduces Costs in the Following Ways:

  • Reducing makeup water to the cooling tower by permitting more cycles between blowdowns
  • Eliminating the cost and problems in ordering, shipping, handling, storage, and disposal of regular chemicals
  • Reducing power consumption by keeping the chiller heat transfer efficiency high through cleaner condenser tubes

* Studies by Southern California Edison (SCE), NASA, Jet Propulsion Laboratory (JPL), and IBM have confirmed that ozonation is a viable alternative to multi-chemical treatment. Electricity savings of 20% or more were cited by SCE.

Ozone Success Story


Ethanol Plant Cooling Towers Ozone Installation

Related Links

Ozone Use at the Kennedy Space Center Cooling Tower

Marley Cooling Towers and Ozone

Ozonation of Cooling Towers and Corrosion Rates

Cooling Tower Maintenance Improves with Ozone

Cooling Tower Ozone Installation

Last Updated: December 19, 2014

Nema 4 Ozone Injection System

The Waterzone-SS-40 is an ozone injection system installed within a Stainless Steel Nema 4X enclosure. The popular Waterzone-40 is packaged entirely within this stainless steel enclosure for operation within the harshest of environments.

Waterzone-40 Injection System

Ozone Injection System designed to quickly integrate into an existing water line. The Waterzone system produces and introduces 40 g/hr of ozone into up to 70 GPM of water flow.

AS-500 Dissolved Ozone Monitor

The AS-500 is a very versatile ozone monitor that can be used in many different applications. The sensor can work at pressures from 0 - 30 PSI.
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