News

On March 23, 2020, ISHE AB acquired 100% of the German company SolarSpring GmbH. Read more about the recent successful and international projects conducted by the Fraunhofer ISE spin-off. In Germany, 25 percent of the fresh water consumed each year is used for industrial purposes. SolarSpring GmbH from Freiburg has […]

German engineering for clean water all over the world





Dear Partners, respected Customers, SolarSpring GmbH was founded on February 3rd, 10 years ago. Four employees from the Fraunhofer Institute for Solar Energy Systems had the vision of making water available anywhere in the world. What we have achieved so far: Well over 250 membrane distillation modules built Systems installed […]

SolarSpring Newsletter: 10 years SolarSpring!


Operational analysis of a full-scale module – New strategies for wetting mitigation Abstract Membrane distillation (MD) is a thermal separation process which possesses a hydrophobic, microporous membrane as vapor space. A high potential application for MD is the concentration of hypersaline brines, such as e.g. reverse osmosis retentateor other saline effluents to be concentrated to a near saturation level with […]

SolarSpring Publications: Air gap membrane distillation for hypersaline brine concentration


Dear Partners, respected Customers, from the 14th-18th of May, SolarSpring was at the international trade fair for environmental technologies IFAT in Munich. Needless to say, we made a lot of great new contacts and really enjoyed interacting with the crowd. We look forward to following up with all the new membrane distillation […]

SolarSpring Newsletter: Its Mai, which is a month Full of ...



Dear Partners, respected Customers, for several reasons, we are very lucky that our new Membrane Distillation Lab has a great view into nature. Reason one, we will be spending a lot of time here in the next months, testing new MD channel setups and feed solutions. Reason two, the “garden […]

SolarSpring Newsletter: A Lab with a view


Dear Partners, respected Customers, You have not heard from us in a long time? Apologies, but recent events have been keeping us very busy. SolarSpring moved to a great new and better venue, we have developed and entirely new product and have a brand new webpage….plus a trip to South […]

SolarSpring Newsletter: Eventful times, great news


In January 2017, we installed our MDLab research unit at the Spanish CIEMAT-Plataforma Solar de Almería. The Plataforma Solar de Almería (PSA) is one of Europe’s leading research institutes in the field of solar technology research, development and testing.

MDLab installation at CIEMAT-Plataforma Solar de Almería



SolarSpring ist stolzer Partner von Covestro bei dem “Re-Salt” Projekt. Das Projekt beschäftigt sich mit der Wiedergewinnung von Salz (NaCl), welches in industriellem Abwasser enthaltenen ist, und dessen Rückführung als Rohstoff in die Chlor-Alkali-Elektrolyse sowie der Weiterverwertung des anfallenden Wassers. Die Forschung im Rahmen des Re-Salt Projektes umfasst folgende Punkte: […]

SolarSpring is now research partner in the “Re-Salt” project