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The pH of calcium Hydroxide or lime decreases with an increase in pH. (see figure 1 below) The temperature at the Honduran plants is generally in the range of 19-21 degrees C but during summers it can go up to about 27 degree C. This temperature change can change the pH of lime and thereby affect the working of the lime feeder and needs to be taken into consideration while designing the lime feeder.
Table 2: Changes in pH of lime with respect to Temperature changes
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