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MIT scientists build briefcase-sized machine to turn saltwater into drinking water – Massachusetts, USA

Mr Yoon told MIT News in April that portable desalination units typically require high pressure pumps to push salt water through the necessary filters, compromising the energy efficiency of the device. However, that’s not true with the new device, which does not rely on high pressure pumps and only requires as much power as a cell phone charger to operate.

Instead of using pumps, the MIT device relies on a process called ion concentration polarization in which an electrical field is applied to membranes placed around the water that can repel positively and negatively [
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MIT scientists build briefcase-sized machine to turn saltwater into drinking water – Massachusetts, USA2022-09-14T04:03:01+02:00

MIT’s portable desalination unit makes clean drinking water ‘with less power than a phone charger’ – Massachusetts – United States

Weighing less than 10kg, the suitcase-sized device can also be driven by a portable $50 solar panel. It automatically generates drinking water that exceeds World Health Organisation quality standards, needing only the push of just one button.

Unlike other portable desalination units that require water to pass through filters, the MIT device uses electrical power to remove particles water.

Eliminating the need for replacement filters greatly reduces the long-term maintenance requirements, the developers said.

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MIT’s portable desalination unit makes clean drinking water ‘with less power than a phone charger’ – Massachusetts – United States2022-04-29T12:57:19+02:00
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