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What does a cooling tower water treatment program do?

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Quick Answer

A good cooling tower water treatment program helps overcome challenges including deposition, corrosion and microbial growth in industrial cooling systems. These programs often use a variety of specialized chemicals to reduce or prevent these major water cooling system issues.

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Full Answer

Deposition in water cooling systems is caused by sludge and mineral scales, among other contaminants. These deposits reduce production and efficiency, restrict water flow and increase corrosion rates. A good and consistent treatment program helps make the system less vulnerable to contaminants. Surface-active agents may be used to ensure that deposits do not adhere to the system, while polymers may reverse or prevent the occurrence of mineral deposits in the first place.

Corrosion insulates metals in heat transfer devices, causing major losses in efficiency. Corrosion can also lead to critical system failures in processes-cooling equipment, re-circulating water piping and heat exchangers. Organic or inorganic chemicals may be used to reduce the occurrence of corrosion in various parts of the cooling system.

Lastly, water cooling systems without treatment programs in place are vulnerable to the growth of fungi, protozoa, bacteria and algae. These biological organisms cause fouling if not properly controlled. A field engineer assesses cooling systems and recommends the optimal combination of biocides to kill organisms based on severity and specific type of organisms.

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