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Invention uses sunlight to produce clean water

By | March 22, 2011, 11:38 PM PDT

It may look like a toy, but Jonathan Liow’s invention has the potential to save lives.

The Solarball, a water purifier, was developed as a sustainably viable solution for those living in impoverished regions who don’t have access to clean drinking water. The device, which takes advantage of the sun’s natural purifying abilities, can produce up to three liters of clean water a day.

“After visiting Cambodia in 2008, and seeing the immense lack of everyday products we take for granted, I was inspired to use my design skills to help others,’ said Liow, a student at Monash University in Melbourne Australia.

The Solarball works by absorbing the heat from sunlight, which causes dirty water contained inside to evaporate. During the evaporation process, contaminants are removed from the water, leaving behind condensation that can be collected and stored for drinking.

The design is user-friendly and durable, with a weather-resistant construction, making it well suited to people in hot, wet, tropical climates with limited access to resources. But most importantly, the technology was created to be an affordable option for the 900 million people who don’t have access to clean water.

It’s been estimated that over two million children die each year from diseases caused by drinking contaminated water.

“The challenge was coming up with a way to make the device more efficient than other products available, without making it too complicated, expensive, or technical,” Liow said.

The invention was a finalist in the 2011 Australian Design Awards and will be exhibited at the Milan International Design Fair in April 2011.

Photo: Monash University

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Tuan C. Nguyen

About Tuan C. Nguyen

Tuan C. Nguyen was a contributing editor for SmartPlanet from 2011 to 2013.

Tuan C. Nguyen

Tuan C. Nguyen

Contributing Editor

Tuan C. Nguyen is a freelance science journalist based in New York City. He has written for the U.S. News and World Report, Fox News, MSNBC, ABC News, AOL, Yahoo! News and LiveScience. Formerly, he was reporter and producer for the technology section of ABCNews.com. He holds degrees from the University of California Los Angeles and the City University of New York's Graduate School of Journalism.

Follow him on Twitter.

Tuan C. Nguyen

Tuan C. Nguyen

Tuan C. Nguyen does not hold any investments in the technology companies he covers.

He writes for SmartPlanet and is not an employee of CBS.

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+2 Votes
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RE: Invention uses sunlight to produce clean water
This is a wonderful invention!
Posted by kanelalee
23rd Mar 2011
+2 Votes
+ -
This is a copy of prior art
This concept was found in life rafts all over the world in the 1980's when I first saw it. It was called solar water distilling and was used to make drinking water for those stranded on a life raft. I think a friend that sailed around the western Pacific used one on the boat for drinking water.
Posted by fitobetied
23rd Mar 2011
+2 Votes
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RE: Invention uses sunlight to produce clean water
A lightweight version might be a cool gadget for backpacking trips.
Posted by hoodedswan
23rd Mar 2011
+3 Votes
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RE: Invention uses sunlight to produce clean water
I must be missing something here "...making it well suited to people in hot, wet, tropical climates". What ever happened to the concept of collecting good old, free, rain water. Homes in Burmuda get 100% of their potable water by collecting rain water from their roofs. It may not be high-teck but it is certainly cheap and effective.
Posted by ruellej@...
23rd Mar 2011
+2 Votes
+ -
Solution makes it to Idea Market in Global Innovation Game (GiG)
This solution has made it to the idea market in GiG where your
ideas matter. Share your solutions to challenges around the globe.
Please check it out!

http://apps.facebook.com/globalinnovationgame/?episode=166
Posted by @fredsko
23rd Mar 2011
+2 Votes
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RE: Invention uses sunlight to produce clean water
Perhaps there really is "nothing new under the sun" as we reported on a similar invention in 2007, though this one simply used existing plastic bottles. You can read about it and see a short video at http://ec.europa.eu/research/infocentre/article_en.cfm?id=/research/star/index_en.cfm?p=15_main&item=Success%20stories&artid=3678
Posted by gosdest
24th Mar 2011
+2 Votes
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I think that anything that cleans contaminated water in the world
is very welcome. the simpler to use the better it will work. That using sunlight to purify water is not new, does not matter. If it can be given out to needy areas, anywhere, the benefits are enormous.
Posted by DadsPad
24th Mar 2011
+2 Votes
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RE: Invention uses sunlight to produce clean water
Not new, but nevertheless works without power or high tech parts, being very low cost, reliable etc. Clearly a case where less is more.

This is a lesson for those who are trying to achieve the same thing with "more", obviously with high-stupid-tech.

I think, with such easy, simple, low-cost solutions to water problem (in large scale), there won't be any water crisis in a few decades as many predict, saying that water will be "the most expensive liquid".
Posted by Administrator.
24th Mar 2011
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