Coolest latest gadgets – Ocean Water Desalination Using Green Energy Microchips Device – New cool electronic technology gadgets blog


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You might have noticed that in recent years, potable water, especially those gallon mineral waters are getting more and more expensive, some are selling brands, some area simply shortage of hygiene water for drinking purpose.

Other phenomena occurring the last decade are the presence of earthquake and other natural disaster such as hurricane, typhoon or even Tsunami, that bluntly leave the living community at the disaster’s area a horrible nightmare for water shortage, especially hygiene water to maintain balance body fluids when the supply of foods were rare or completely out.

cool-fun-coolest-top-best-new-latest-high-technology-electronic-gadgets-gifts-idea-desalination-device-on-a-silicone-layer

This would become a huge project for the mankind to come up with a reasonable solution for easy portable and potable water in critical time, especially facing the anger of nature over the outrageous destruction man kind has bring to the mother nature.

And we deeply believe that, there are many brave and highly intelligent people out there with so many bright ideas on how to help to restore our earth back to her nature balance, thus lowering global warming and help to reduce the carbon foot print over the mass destruction as a result of industrialized revolution over the last century.

cool-fun-coolest-top-best-new-latest-high-technology-electronic-gadgets-gifts-idea-desalination-device-by-Jongyoon-Han-Sung-Jae-KimPhoto Credit: Patrick Gillooly

Associate Professor of MIT’s Department of Electrical Engineerig and Computer Science, Associate Professor Sung Jae Kim and Jongyoon Han has recently released their amazing invention about water desalination on the journal Nature Nanotechnology in March 21.

The paper consists of the reverse osmosis desalination methods, that uses membranes to filter out the salt from ocean’s water and the capability to push water through the membrane and subject to fouling and blocking the pores of the membrane by salt and other raw contaminants.

The interesting part is, this new desalination system is capable to filter ocean water or other contaiminated swamp water without any high pressure pump. And the system goes further utilising green solar energy as the power source.

The desalination system works at microscopic level, using fabrication methods developed for microfluidics devices, similar to the manufacture of microchips, but using materials such as silicone (synthetic rubber).

Each individual device would only process minute amounts of water, but a large number of them — the researchers envision an array with 1,600 units fabricated on an 8-inch-diameter wafer — could produce about 15 liters of water per hour, enough to provide drinking water for several people. The whole unit could be self-contained and driven by gravity — salt water would be poured in at the top, and fresh water and concentrated brine collected from two outlets at the bottom.That small size could actually be an advantage for some applications, Kim explains. For example, in an emergency situation like Haiti’s earthquake aftermath, the delivery infrastructure to get fresh water to the people who need it was largely lacking, so small, portable units that individuals could carry would have been especially useful.

So far, the researchers have successfully tested a single unit, using seawater they collected from a Massachusetts beach. The water was then deliberately contaminated with small plastic particles, protein and human blood. The unit removed more than 99 percent of the salt and other contaminants. “We clearly demonstrated that we can do it at the unit chip level,” says Kim. The work was primarily funded by a grant from the National Science Foundation, as well as a SMART Innovation Centre grant.

This microchips base desalination device approach to desalination could lead to small, portable units that could be powered by solar cells or batteries and capable of supplying enough fresh water supply for the needs of a family or small village.

An added extra, the desalination system would able to remove many contaminants, viruses and bacteria while giving filtering the contaminated water.

This is cool gadget is presently being developed by researchers at MIT and in Korea.


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