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Project database

Total results: 526
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2011 - 2015
Rice University
Solar steam sterilizer for treatment of human waste


Light-absorbing nanoparticles dispersed in water and illuminated by sunlight produce steam that is used to treat human excreta.

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2011 - 2014
Oklahoma State University Foundation
Shear extrusion to treat fecal waste (viscous heating effect on deactivation of helminth eggs)


To develop a small-scale device in which an auger forces feces and other solid wastes device through a die that results in high temperatures and pressure that dewaters the waste and destroys microorganisms.

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2011 - 2015
Fundación In Terris
Earth auger toilet: Innovation in waterless sanitation


To develop several prototypes of a mechanised, pedal-operated, low-cost, easy-to-use, odourless urine-diverting dry toilet (UDDT).

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