This 1,000 ton tower was drained at the end of the cooling season. There was a considerable amount of mud and debris left behind. While in operation this mud/debris created an environment favorable for microbiological growth and accelerated under deposit corrosion. Biocide feed rates had to be increased (raising treatment cost) to keep micro biological dip slide counts at an acceptable number.
Cooling towers need to be cleaned regularly to achieve lower operating costs, maintain efficiency, and to lengthen equipment life.
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