water news - Lockheed testing nanotech filters for U.S. oil industry wastewater

By David Alexander WASHINGTON (Reuters) - Defense contractor Lockheed Martin Corp is developing filters using nanotechnology to help solve a problem facing the booming U.S. oil and gas industry: 18 billion gallons of wastewater each year. Lockheed's patented Perforene is a one-atom thick membrane of graphene, made of pure carbon. The sheets can be produced with precisely sized holes as small as 1 nanometer, or a billionth of a meter, and the company's goal is to eventually use it for desalinatio

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