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Experimental investigations on solar driven stand-alone membrane distillation systems for remote areas

: Koschikowski, J.; Wieghaus, M.; Rommel, M.; Ortin, V.S.; Suarez, B.P.; Rodriguez, J.R.B.


Desalination 248 (2009), Nr.1-3, S.125-131
ISSN: 0011-9164
International Workshop "Water and Sanitation in International Development and Disaster Relief" (WSIDDR) <2008, Edinburgh>
Zeitschriftenaufsatz, Konferenzbeitrag
Fraunhofer ISE ()
Solarthermie und Optik; Solarthermie; Solarthermie; Dezentrale Wasseraufbereitung; Solare Prozesswärme

In many places world wide drinkable water is already a scarce good and its lack will rise dramatically in the future. Missing energy sources and no grid connections complicates the use of standard desalination techniques in these places. Fraunhofer ISE develops solar thermally driven compact desalination systems based on membrane distillation (MD) for capacity range between 100 and 500 L/day and larger systems for the capacity range up to 10 m(3)/day. All systems can be operated energy self sufficient and almost maintenance free. Membrane distillation is a technique which is operated with thermal energy but also uses a membrane for the separation of pure water from the concentrated solution. With regard to the implementation in solar driven stand-alone desalination systems it holds important advantages. Altogether eight pilot plants were installed in five different countries.