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Excessive-rises Harbor Just a little-noticed Water Waster: Outdated Cooling Towers

Green but not the colour for cooling towers by John A. HerbertOn the roof of the 1950s workplace constructing on Wilshire Boulevard, a large fiberglass capsule sits silhouetted towards the sky, wanting more like an abandoned lunar landing module than what it actually is a giant swamp cooler.

A 6-inch pipe brings heated water to it from the eleven-story constructing’s basement. Because the water trickles via a membrane inside the chamber, an enormous fan pulls air by it, removing heat by evaporation. Another pipe sends the cooled water back to the basement the place it collects extra of the building’s heat.

of Cooling Towers, Drax Power Station, North Yorkshire. Each cooling ...————
FOR THE File:
Cooling towers: In the Jan. 2 California part, an article about the water wasted by buildings’ old cooling techniques said that greater than half the water flowing by a Wilshire Boulevard evaporative cooling tower was being discarded. It ought to have mentioned that in a system of its reported efficiency, more than a gallon can be discarded for every gallon evaporated.
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Till this fall, when the owner upgraded it, the 60-12 months-previous gear ran so poorly that more than half of the cooled water had to be discarded on each journey to the basement and be changed by water from town’s drinkable supply. It is a hidden cycle of waste that is repeated in thousands of buildings across Los Angeles County.

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