In the image above scientist from Nanyang Technological University are standing around a toilet that separates urine, using a vacuum to evacuate it instead of using water. This is how it works:
Having the human waste separated at source and processed on-site would lower costs needed in recovering resources, as treating mixed waste is energy intensive and not cost-effective,” Prof Wang said. “With our innovative toilet system, we can use simpler and cheaper methods of harvesting the useful chemicals and even produce fuel and energy from waste.
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