The Bill and Melinda Gates Foundation (BMGF) presented the Reinvented Toilet Expo in Beijing, China, on November 6, at which innovative toilet technologies were unveiled: these advanced methods process human waste within the toilet, and do not require a sewerage connection. They either separate liquid and solid waste for two processing streams or deal with them as a whole. The end products are plain water and ash. A walk through. Photos and text: G. Ananthakrishnan
from The Hindu - Society
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