Method and composition for operation of evaporative cooling towers at increased cycles of concentration
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United States of America Patent
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Jul 30, 2013
Grant Date -
Nov 1, 2012
app pub date -
Apr 29, 2011
filing date -
Apr 29, 2011
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Abstract
A method and chemical composition are provided which permit operation of evaporative cooling towers at increased cycles of concentration without formation of calcium scale. The method can include first determining the calcium hardness and total alkalinity of the makeup water, calculating the operating cycles of concentration using a formula developed for the specified chemical composition, then dosing the treated water to maintain a constant level of the chemical composition. The method permits scale-free operation of evaporative cooling towers at a minimum of two (2) cycles of concentration over existing technology.
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