Cooling Tower Air Purifier Curbs Airborne Bacteria

(NewsUSA) - Contaminated air from the cooling towers that top most large buildings is not a new problem, but the focus on clean air in outdoor as well as indoor spaces has new urgency in the wake of the ongoing COVID-19 pandemic.

Cooling towers often use local water sources for their evaporative cooling processes that may be untreated or poorly treated, and therefore contaminated. Bacteria and other contaminants not only escape into the air, but they also reduce the efficiency of the tower. To make matters worse, companies may add chemicals such as sulfur dioxide and chlorine to the water in order to soften the minerals and kill bacteria. However, some of these chemicals, as well as the bacteria, find their way into the air.

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