Nano Membrane Toilet

[Turn Urine and Faeces into Clean, Safe Water]

Nano Membrane Toilet is a new approach to managing waste could help some of the world’s 2.3 billion people who have no access to safe, hygienic toilets.

The nano membrane toilet is clean, odorless and aspirational, and it should be capable of working in environments that lack sewage, external power and water.

The toilet can manage the waste generated by households of up to 10 people. It has a waterless flush that blocks the user’s view of the waste and prevents odours escaping. Hollow-fiber dense polymer nano-membranes enable water to be removed from the waste, leaving pathogens concentrated on the solids and allowing the water to be safely used in the home.  This water is pure enough to be used for household washing and farm irrigation.

The residual solid waste and pathogens are driven by an archimedean screw into a second chamber. This part of the design is still being finalized, but the current plan is for the solid waste to be incinerated to convert it into ash and energy. The energy will power the nanomembrane filtration process, with enough left over to charge mobile phones or other small devices.

Funded in part by the Bill & Melinda Gates Foundation’s Reinvent the Toilet Challenge, and winner of the CleanEquity Monaco 2015 award, the nano membrane toilet is to be trialed and tested in 2016, possibly in Ghana.

The video below, created by the Cranfield Water Science Institute, was developed for the Reinvent the toilet fair in 2014.

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Posted on : 05 Jan 2016 @ 10:59

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