Intended for use in sub-Saharan Africa and poor regions without access to running water, Sandy it is a low-cost toilet that does not need water. Instead use sand.

It has been created by a young designer named Archie Read, concerned about the millions of people who cannot relieve themselves with dignity.

to create to Sandy, Archie was based on the guidelines of the United Nations, which calls for developing a toilet for families of seven adults, with capacity for at least two days. In addition it must be affordable and easy to manufacture. With these ideas in mind, Read set about designing his waterless toilet.

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You can see the result in the opening video of the news. Sandi is a toilet that works with sand. It does not need water and its cost is only 70 euros.

But the most curious of all is how it works. Sandi uses a kind of conveyer beltwhich is handled manually.

First of all, you have to introduce the sand in the tank. When you want to use this toilet without water, you have to press a lever so that the conveyor belt fills with sand. Then the user can already do his things. When finished, he presses the lever again several times and the conveyor belt carries the solid and liquid remains to a completely isolated interior behavior.

All mechanisms are manual, no electricity needed. Also a filtration system. separates liquids from solids. When the toilet is full, the solid remains can be used as fertilizer.

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Sandi’s current design allows a family of 7 members can use it for 10 days without having to empty it.

Now Archie Read is working to simplify the design of some parts, and reduce the cost of manufacturing even more. The goal is that Sandi, the toilet without wateris affordable enough that even the poor can have their own toilet. Or at least the NGOs, to distribute them to the most needy areas.

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