one main reason of treating cooling tower water is the presence of substances that can cause corrosion. what we do is eliminate the corrosive agents. well corrsoion is one of the reasons,it may cause chocking,blocking in the pipes which then will restrict the flow and cause severe damage
Range is the difference of cooling water inlet and cooling water outlet temp
Two ways acting together:cool water is sprayed over the grid of hot pipes at the base of the tower, producing a cloud of water vapor which begins rising up the tower slowlythe constriction roughly two thirds the way up the tower forces the rising water vapor to accelerate, which greatly increases the draft
The process used for cooling water in a cooling tower is evaporation. Hot water is distributed over the fill material in the tower, allowing it to come into contact with air. As the water passes through the fill, some of it evaporates, taking away heat and cooling the remaining water before it is collected and circulated back into the system for cooling.
power plant
colour code for raw water
The Cooling tower is installed where the continuous heat rejection is required. Like process plants. Type is depends up on use & water property.
The only thing that I've heard of with "wet cooling" in, is a wet cooling tower. A Wet Cooling tower for the closed-circuit cooling of water where the water to be cooled comes into direct contact with the cooling air dissipating heat by evaporation and air heating. The air draught required for cooling can be induced by fans or by the natural effect of the stack of the cooling tower building (natural draught cooling tower).So I don't know if that answers your question or not, but i hope it helps...
To prevent using as potable water.
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The system you are referring to is known as an evaporative cooling tower. It works by using the latent heat of vaporization to cool the air as water is sprayed into the tower and evaporates, absorbing heat in the process.
Typically this would involve standard titration and colourmetric techniques, which involves analysis and monitoring of the cooling tower.