Lockheed Martin, one of the world’s largest military contractors, has developed a process that company officials say significantly reduces the amount of energy needed to desalinate water, an innovation that could help communities worldwide tackle the growing threat of water scarcity. According to the company, the new process uses ultra-thin carbon membranes with holes large enough to allow water to pass through, but small enough to block the salt molecules in seawater, Reuters reports. Because the membranes have holes as thin as a single atom, the process would require far less energy than existing desalination technologies, which rely on reverse osmosis, the company says. “It’s 500 times thinner than the best filter on the market today and a thousand times stronger,” said John Stetson, a Lockheed Martin engineer. “The energy that’s required and the pressure that’s required to filter salt is approximately 100 times less.” A 2011 study found that desalination technology could be the cheapest approach to meeting the planet’s growing water needs.
New Desalination Process Slashes Costs of Producing Fresh Water
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