Convert Salt Water into Drinking Water With Solar Oven

 Great idea for the people on the coastal areas of Egypt like Sinai and North Coast!

Whenever designer Gabriele Diamanti traveled abroad, he encountered a problem common to all developing countries – the lack of access to safe drinking water.

This inspired him to come with a device that would use easy-to-find, local resources to convert salt water into freshwater (drinking water). His invention was a solar oven, a household product, developed to utilize a resource that is available in plenty – sunshine!

Called Eliodomestico, the solar oven is intended to bring gallons of drinking water to economically backward families at no operating cost. The technology behind the oven is very simple wherein you fill the boiler section with salty water and fasten the cap. Very strong sunlight generates enough heat to boil the water, producing steam which is forced down the pipe condensing into the collection lid. The collection lid is shaped to be carried on a person’s head, a popular method of transporting goods in developing countries.


The Eliodomestico delivers 5 liters of fresh drinking water everyday. It is very simple to produce and maintain as it requires no electricity, no filters and has no adverse impact on the environment. Diamanti’s project won a Core 77 Design award and was a finalist at the Prix Emile Hermes competition awarding sustainable design innovation. He has open sourced the design and made it available to everyone who wants to modify and upgrade it.

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