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Desalination system could produce freshwater that is cheaper than tap water (news.mit.edu)

submitted 1 year ago by Gsus4@feddit.nl to c/technology@lemmy.world

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Engineers at MIT and in China are aiming to turn seawater into drinking water with a completely passive device that is inspired by the ocean, and powered by the sun.

In a paper appearing today in the journal Joule, the team outlines the design for a new solar desalination system that takes in saltwater and heats it with natural sunlight.

The researchers estimate that if the system is scaled up to the size of a small suitcase, it could produce about 4 to 6 liters of drinking water per hour and last several years before requiring replacement parts. At this scale and performance, the system could produce drinking water at a rate and price that is cheaper than tap water.

https://www.cell.com/joule/fulltext/S2542-4351(23)00360-4

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[-] key@lemmy.keychat.org 24 points 1 year ago

It's a good title. They don't know if it will be cheaper or not until they go and actually scale it up. Based on the prototype their projections say it should but it's very likely they would run into issues that drive up the cost.

this post was submitted on 28 Sep 2023

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