A brighter future for filtered seawater

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The challenge of dwindling fresh-water supplies looms ever larger as droughts become more common and population increases. To combat this challenge, MIT researchers evaluate the potential for cheaper, smaller, and faster desalination plants in a new study.

“The world has a virtually limitless supply of seawater,” says David Cohen-Tanugi, the lead author of the study and an MIT graduate student in the Department of Materials Science and Engineering (DMSE). “But the process used to filter that seawater is too expensive, and the desalination plants take up valuable oceanside real estate. To make desalination widespread, which is so critical for our future, we need to reduce the cost.”

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