Lima, Peru’s potable water generating billboard

Physics magazine published a report on the new billboard in Lima, Peru that captures humidity out of the air and filters it into potable water.   The article by Nancy Owano begins:

A billboard in Lima, Peru, created by ad agency Mayo DraftCFB in collaboration with the University of Engineering and Technology (UTEC), captures the air’s humidity and turns it into potable water for Lima residents. Lima is referred to as a “desert megacity” where many residents cope with inadequate access to clean drinking water. The agency and university formed a team to produce what they refer to as the first billboard that produces drinking-water out of air.

Generators inside the billboard process the air and filter it into water, stored and drawn by residents at the bottom of the billboard. The system has an air filter, a condenser and a carbon filter. The system is designed to generate 96 liters of water per day for the local community. 

Lima billboardSource: Phys.org
Lima billboard
Source: Phys.org

Owano reports that Peru’s State Water Company plans to invest heavily in Lima’s, “Water and sewage infrastructure,” in an area that sees less than an inch of rainfall per year, but is described as a “coastal desert” with dense humidity.

She writes:

According to the Ministry of Housing, about 700,000 Lima residents lack access to potable water, while another 600,000 rely only on water cisterns. The investment will allow for 148 water projects, to be overseen by Sedapal, the state-owned water utility company The company will build reservoirs, wells and water-treatment plants as well as replace 3,000 miles of water pipes in Lima. 

Read the article by Nancy Owano, click here.

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