Billboard Creates Water from Air

Billboard Creates Water from Air

An ad agency and a university teamed up to build a billboard that pulls water from the air.

Peru’s capitol, Lima, is situated in a desert. The city receives less than one inch of rain each year. On the positive side, the humidity is nearly always around 98 percent. With all that water hanging around, it was only a matter of time before somebody began harvesting it.

The University of Engineering and Technology joined with ad agency Mayo Publicidad to create a billboard that pulls water from the humidity in the air. Because the air around Lima is polluted (as it is with all major cities), the air first moves through an air filter before the water is condensed from it. The water is then purified for drinking.

The billboard can create up to 96 liters (25 gallons) each day. Locals can collect water from a faucet at the bottom of the billboard.

The video below explains the process in Spanish.

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Author: Heather Carr

  1. This is one of many exciting drinking-water-from-air initiatives over the years. Readers interested in learning more about water-from-air technologies are encouraged to visit the Atmoswater Research website which provides access to lots of scientific/technical information about the topic.

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