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 microorganisms instantly
- minimizes condenser fouling
- decomposes organic waste by 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 Summary
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
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40 Grams/Hour Ozone Injection System
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AS-500 Dissolved Ozone Monitor
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