Cooling towers are an essential part of power plants and other types of industrial facilities.
A cooling tower is essentially a heat rejection device that emits the accumulated heat produced by the facility, which is also known as waste heat.
This is achieved by channeling excess heat into a stream of water that absorbs it and then releases it out into the atmosphere. This can be done in several different ways. One is the evaporation of water, or by the presence of air that takes in the heat. The latter is the case in closed circuit cooling towers.
In either case, loss of water is inevitable, because even in closed circuit systems, some evaporation will occur and water droplets will find their way out into the atmosphere.
This loss of water is undesirable for two reasons – operational efficiency and drift control.
Setting aside the question of efficiency caused by evaporation loss, let’s focus on the problem presented by cooling tower drift. Which is by far the greater concern.
Cooling tower drift is not by any means harmless water vapor. It is water that has become infused with chemicals and pollutants that can cause short and long-term damage to the environment and one’s health.
Read more at the original source: http://www.kimre.com/cooling-tower-drift-challenge-solved/
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