University of Kwazulu-Natal Prototype

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    A prototype of a toilet designed by researchers from the University of Kwazulu-Natal in South Africa (exhibit 20) for the Reinvent the Toilet Fair in Seattle on August 12, 2012. The toilet system safely disposes of pollutants and recovers materials such as water and carbon dioxide from urine in the community bathroom blocks.

    ©Bill & Melinda Gates Foundation/Michael Hanson

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