This project is intended to bring good drinking water to the families in the developing countries at no operating cost
Designer Gabriele Diamanti has created a solar oven called the Eliodomestico that can make salt water drinkable. Furthermore, the invention can be made out of cheap and readily available materials enabling local craftsmen in the developing world to build the oven for themselves.
You simply fill the black boiler with salty water then tighten the cap. Throughout the day as the temperature rises and the pressure increases, steam is forced downwards through a pipe and collects in the lid of the oven. This acts as a condenser, turning the steam into fresh drinking water.
Diamanti was inspired from his travels visiting friends who are NGOs. He quickly realised that there could be an open source solution to providing clean drinking water in remote areas of developing countries and areas riddled with drought issues. Particularly as the large majority of these countries share one common factor: lots of sunshine.
“This project is intended to bring good drinking water to the families in the developing countries at no operating cost, starting from sea water,” Diamanti says. “It works like an upside down coffee maker: during the day, the heat of the sun raises up the steam pressure into the black watertight boiler. The steam is forced down throigh the exapnsion nozzle, thus condensing against the lid.”
Utilising the sun
Currently the project is still in development, but having won a Core 77 Design award and placing as a finalist at the Prix Emile Hermes competition, Diamanti is confident the invention will get off the ground quickly, as it could efficiently deliver enough daily drinking water for a small family.
“At the end of the day the Eliodomestico delivers 5 litres of fresh drinking water,” Diamanti explains. “The lower basin is specifically designed for transport over the head, supporting this common habit. It is entirely made from poor, widely available materials. The technologies involved in the production are very simple and popular. This also makes the maintenancce much easier: No electricity, no filters, easy maintenance, good impact on the local economy and no impact on the environment.”
via Humans Invent
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