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79-12: Evaporative Hat Removal in Wet Cooling TowersThe ratio of evaporative to total (sensible plus evaporative) heat transfer in a wet, crossflow mechanical draft cooling tower was analyzed. The ratio was found to vary from 60% to 90% during typical operating conditions. The evaporative heat removal fraction increased as temperature (either wet bulb or dry bulb) increased and as relative humidity decreased. Similar results were obtained for a counter flow, natural draft tower.

including cooling tower construction

Although microbicides are widely utilized to keep cooling water free of contamination

This paper will document a case of a large cooling tower application in the Gulf Coast that had a 17 parts per billion (ppb) discharge limit placed on it and how ultrafiltration membrane technology was used successfully to lower the cooling tower blowdown copper concentration from 400 ppb to less than 17 ppb

Case histories and comparisons will be presented

The Division has had over 25 years' experience in this area

redesign and replacement of asbestos products with alternate materials

maintenance

This code is similar to the open circuit tower in both form and function except for the fluid circuits

The non-chemical technology was evaluated for control and prevention of corrosion

The feasibility of designing a cooling tower for use in engineering laboratories is presented

and therefore

microbiological activity

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