# Cooling Tower Cycles of Concentration Calculator

## About Cooling Tower Cycles of Concentration Calculator (Formula)

A cooling tower is a device that helps to remove heat from water used in various industrial processes, such as power generation, chemical manufacturing, and HVAC systems. The cooling tower works by allowing water to flow over a large surface area, which increases the amount of contact between the water and the air, facilitating the transfer of heat from the water to the atmosphere.

One important parameter that must be considered when operating a cooling tower is the cycles of concentration (COC). The COC refers to the ratio of the concentration of dissolved solids in the cooling tower water to the concentration of dissolved solids in the makeup water. As water evaporates in the cooling tower, the concentration of dissolved solids in the remaining water increases. The COC helps to determine how many cycles of concentration can be achieved before the concentration of dissolved solids becomes too high and negatively impacts the cooling tower’s performance.

A cooling tower cycles of concentration calculator is a tool used to determine the COC of a cooling tower system based on certain input parameters.

The formula for calculating the COC is as follows:

COC = (Concentration of dissolved solids in circulating water) / (Concentration of dissolved solids in makeup water)

To use the formula, you first need to determine the concentration of dissolved solids in both the circulating water and the makeup water. The concentration of dissolved solids in the circulating water can be measured using a conductivity meter, while the concentration of dissolved solids in the makeup water can be obtained from a water analysis report.

Once you have these values, you can use the formula to calculate the COC of the cooling tower system. For example, if the concentration of dissolved solids in the circulating water is 500 ppm and the concentration of dissolved solids in the makeup water is 50 ppm, the COC would be:

COC = 500 ppm / 50 ppm = 10

In this example, the cooling tower system can achieve 10 cycles of concentration before the concentration of dissolved solids becomes too high and negatively impacts the system’s performance.

In addition to the COC formula, cooling tower cycles of concentration calculators may also incorporate other factors such as evaporation rate, blowdown rate, and makeup water flow rate to provide a more comprehensive analysis of the cooling tower’s performance. By using a cooling tower cycles of concentration calculator, operators can optimize the performance of their cooling tower system and ensure that it operates efficiently and reliably.