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

submitted 11 months ago by [email protected] to c/[email protected]

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The configuration of the device allows water to circulate in swirling eddies, in a manner similar to the much larger “thermohaline” circulation of the ocean. This circulation, combined with the sun’s heat, drives water to evaporate, leaving salt behind. The resulting water vapor can then be condensed and collected as pure, drinkable water. In the meantime, the leftover salt continues to circulate through and out of the device, rather than accumulating and clogging the system.

The new system has a higher water-production rate and a higher salt-rejection rate than all other passive solar desalination concepts currently being tested.

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.

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[–] [email protected] 10 points 11 months ago* (last edited 11 months ago)

we removed responsibility from groups of humans and called it incorporation. then we distilled pure human greed into what is now called the stock market, built on a lack of responsibility.

it is so gross... the rich are addicted to profit, the poor cannot see past their next paycheck.

                we are all fucked