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Seawater desalination

At the center of the new invention is the use of a wind turbine of a type not many people are familiar with - a vertical axis turbine. Illustration: David Kaiser

spiritual desalination

A new Israeli invention makes it possible to precipitate water with the help of a unique wind turbine whose axis of rotation is vertical, which operates without any use of electricity. This is to deal with the problem of the enormous energy consumption of the desalination process, and to also allow residents of remote areas to enjoy clean water
Sewage Treatment Institute in India. Photo: Rajasthan Urban Infrastructure Development Project.

Where will the water come from?

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A desalination plant on a Spanish island that receives only 100 mm of rain per year. The plant is powered by fuel oil. Photo: goodcat / Shutterstock.com

A global shortage of water is expected in 2040 if a cheap energy source for desalination is not found

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Minister Gilad Erdan at the Pratt Awards ceremony for 2012. Pratt Award winners for 2012. Photos courtesy of Yoav Itiel, Moshevat magazine.

Ministry of Environmental Protection: The World Bank Sea Canal will not restore the Dead Sea, but may even endanger it

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Some countries have met the challenge by pumping from natural sources of fresh water.

How can water desalination methods be improved?

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The natural water cycle - no longer content with it

Is there no shortage of water in Israel?

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Image a is an atomic force microscope (AFM) image of a polymer sheet whose dark spots are organic nanotubes. b is a transmission electron microscope (TEM) image of a sheet with sub-nanometer channels where the organic nanotubes are circled in red. On the right - magnification of a single nanotube. Photo: Ting Xu

Molecular polymer membranes

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Warning sign against dangerous drinking water. From Wikipedia

Ben Gurion University research with implications for wastewater reclamation

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Dr. Moshe Herzberg. Credit: Ben Gurion University

Prize for excellence in science for researchers from the Technion and Ben-Gurion

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The polymer chains protect and shield the membrane surface below them

A revolutionary membrane for water desalination

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In the face of an empty trough

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Desalination is a good thing, but it should be taken into account that the process also consumes energy

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