GE awarded $14.3 million for 3D printed prototype that creates water from thin air

Lack of fresh, potable (drinkable) water is one of the biggest challenges facing millions on our planet today. This is especially evident in arid areas, many of which are now struggling even more as global warming drives temperatures up in desert regions. This issue is also of particular concern to a potentially surprising group, the US military. To address the problem, the Defense Advanced Research Projects Agency’s (DARPA) awarded General Electric Company (GE) $14.3 million to lead a four-year project as part of their Atmospheric Water Extraction (AWE) program. The goal is to design a prototype that would literally produce water out of thin air. Named AIR2WATER, the project will be created using a mixture of additive manufacturing, new material innovations and thermal processes.

According to statistics from the World Wildlife fund, “1.1 billion people do not have access to water and approximately 2.7 billion experience instances of water scarcity.” It is a problem that is expected to worsen in the coming years as temperatures rise and new areas experience desertification. It is also of great concern to the U.S. military, as it can be a logistical nightmare to transport clean, safe water to troops in the field as well as humanitarian missions in the area. In fact, since it often involves both air and ground vehicle transport over long distances and complex terrain, the cost attributed to water transportation is about one third of the Department of Defense’s (DoD) budget. Additionally, acquiring water is a dangerous task, as 10-12% of USMC casualties in Iraq and Afghanistan were due to the moving of fuel and water, according to an AEPI Report. As such, finding ways to provide potable water is a high priority, hence the reason for the AWE program.

The device will be used to give soldiers access to potable water in arid areas

GE and the AIR2WATER Device

The potential solution is AIR2WATER, or Additively Manufactured, Integrated Reservoir to Extract Water using To Extract Water using Adsorbents and Thermally-Enhanced Recovery. For this $14.3 million project, GE will aiming to create a compact, light weight (able to be carried by soldiers for use at bases). It will be able to produce potable water through the use of sorbent (materials used to absorb or adsorb liquids or gases) materials absorbed through the air and by using a unique additively-manufactured heat exchanger. This will draw in heat over the materials in order to release water. The project will be accomplished with scientists and engineers from the University of California at Berkely, University of Chicago and University of South Alabama. The goal is that will be able to produce enough daily water for 150 troops.