Researchers Made an Efficient Water Purifier


Roses are much more than a traditional Valentine’s Day gift or the hallmark of a living garden. These flowering shrubs also inspire scientific innovations, and according to Good News Network, researchers at the University of Texas at Austin recently developed a water purification device that reflects the structure of the flower. Not only is it inexpensive to produce (it costs only two hundred to produce), but it also filters more than half a gallon of water per square meter every hour.

The team was inspired by an Origami rose when they developed their solar steam device, which uses the energy of daylight to filter salt from the water. His tool has sheets of black paper that resemble the petals of the flower and a rod-shaped tube that collects unpurified water. The result of this rose structure? The device can collect and store more liquid. “We were looking for more efficient ways to apply solar steam technology to water production using black filter Paper coated with a special type of polymer known as polypyrrole [which converts sunlight into thermal heat],” said Donglei Fan, associate professor and principal investigator.

Essentially, the shape allows direct access to sunlight on the petals. The tube absorbs water and “feeds” it to the top of the flower. When water meets the petals, it quickly turns into steam and filters out salt or bacteria. “We designed the Purification collection system to include a connection point for a low-pressure pump to condense water more efficiently,” said Weigu Li, Ph.d. Candidate at the Fan Laboratory and senior author on the Paper. “Once condensed, the glass is compact, sturdy and safe for storing clean water.”

“Our rational design and cost-effective manufacture of photothermal 3D Origami materials is a unique low-pressure portable solar steam collection system,” Li said. “This could lead to new paradigms of solar energy technologies in the production of clean water for individuals and households.”

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