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title: TSD Desalination - Wikipedia
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> **Original source:** https://en.wikipedia.org/wiki/TSD_Desalination?utm_source=openai

From Wikipedia, the free encyclopedia

**TSD Desalination** (**Tethys Solar Desalination**) is an Israeli [startup company](https://en.wikipedia.org/wiki/Startup_company "Startup company") that provides solar-powered [desalination](https://en.wikipedia.org/wiki/Desalination "Desalination") technology.[\[1\]](#cite_note-israel21c-1) _[Jewish Business News](https://en.wikipedia.org/wiki/Jewish_Business_News "Jewish Business News")_ named TSD one of 25 cool Israeli startups to watch in 2017,[\[2\]](#cite_note-JBN-2) and [CNBC](https://en.wikipedia.org/wiki/CNBC "CNBC") mentioned TSD alongside [IDE Technologies](https://en.wikipedia.org/wiki/IDE_Technologies "IDE Technologies") in a review of Israeli high-tech.[\[3\]](#cite_note-CNBC-3)

TSD was founded in 2014. Their technology, developed by Joshua Altman and Prof. Moshe Tshuva at [Afeka College of Engineering](https://en.wikipedia.org/wiki/Afeka_College_of_Engineering "Afeka College of Engineering") in [Tel Aviv](https://en.wikipedia.org/wiki/Tel_Aviv "Tel Aviv"), uses solar energy directly to power desalination and water treatment.[\[1\]](#cite_note-israel21c-1) Ze'ev Emmerich, a founder of TSD, claims their method is scalable and environmentally friendly, as well as being cheaper than [reverse osmosis](https://en.wikipedia.org/wiki/Reverse_osmosis "Reverse osmosis").[\[4\]](#cite_note-EmmerichInterview-4)

1.  [1](#cite_ref-israel21c_1-0) [2](#cite_ref-israel21c_1-1) Abigail Klein Leichman, [Solar-powered desalination cuts energy costs by 90%](https://www.israel21c.org/solar-powered-desalination-cuts-energy-costs-by-90/), _Israel21c_, November 17, 2017. Retrieved November 19, 2017.
2.  [↑](#cite_ref-JBN_2-0) Abigail Klein Leichman, '25 Cool Israeli Tech Companies To Watch In 2017', _[Jewish Business News](https://en.wikipedia.org/wiki/Jewish_Business_News "Jewish Business News")_.
3.  [↑](#cite_ref-CNBC_3-0) Ferry Biedermann, [10 Israeli High-Tech Areas Making Waves: Water](https://www.cnbc.com/2017/05/15/10-israeli-high-tech-areas-making-waves.html#slide=5), _[CNBC](https://en.wikipedia.org/wiki/CNBC "CNBC")_, May 15, 2017. Retrieved November 19, 2017.
4.  [↑](#cite_ref-EmmerichInterview_4-0) [Ze’ev Emmerich (Founder, Tethys Solar Desalination): “By 2025 two thirds of the world will live in water stressed areas”](http://www.leadersleague.com/en/news/ze-ev-emmerich-founder-tethys-solar-desalination-by-2025-two-thirds-of-the-world-will-live-in-water-stressed-areas), _Leaders League_, June 19, 2017.

-   [Tethys Solar Desalination](https://www.tethysdesal.com/)