New Technology Solar-Powered Hydrogel Collects Clean Water Out of Thin Air
The sponges are actually hydro gels, gel-polymer hybrid materials that are designed to hold and contain substantial amounts of water. The Texas team focused on combining the abilities of an especially absorbent hydrogel known as gyroscopic polypropylene chloride with one that is reacts to heat called isopropylacrylamide. It's a mouthful, but the two melded together are able to function in both humid and dry weather conditions and have been proven to pull water out of the atmosphere.
Machines have utilized atmospheric water before, like the Fresh-water machine from Chile. These hydro-gels have also been used for absorption— hygroscopic compounds are typically used in refrigeration. In fact, the team created something similar in 2018, a solar-powered water purification innovation using hydro-gels that cleans water from any source. But by using the water that already exists in the atmosphere, the team was able to improve on their own work and existing tech.
Given the increased threat of drought across the globe due to climate change, the 50,000 cubic kilometers contained within the atmosphere are a tempting target for relief. Prototypes showed daily water production of up to 50 liters per kilogram of hydro-gel.
“Engineers at the University of Texas at Austin have developed a completely passive system where all you need to do is leave the hydrogel outside and it will collect water,” said Fei Zhao, a postdoctoral researcher and co-author of the study, in a press statement. “The collected water will remain stored in the hydrogel until you expose it to sunlight. After about five minutes under natural sunlight, the water releases.”
In the Future this invention very great full the reason is this our earth water is dirty slowly.
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| New Technology Solar-Powered Hydrogel Collects Clean Water Out of Thin Air Machine |
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