Field results in Namibia and Brazil from new solar desalination system

K Schwarzer, ingenieurbüro für Energie- und Umwelttechnik, Germany; M Eugênia Vieira da Silva, Solar Energy and Natural Gas Laboratory, Campus of Pici, Brazil; T Schwarzer and B Hoffschmidt, Solar Institute Jülich, Germany

Aimed at rural and coastal zones, a new thermal desalination system with heat recovery has been developed and tested in different countries. The system has a desalination tower with multiple stages and a set of solar thermal collectors.

This article presents the field results of two systems tested in Brazil, and the numerical results of a design installation for Namibia. For Namibia, six systems are planned with capacity of 400-500 L/d. In Brazil, two systems with a 35-40 L/d capacity were tested.

This article first appeared in the February/March 2011 issue of Desalination & Water Reuse magazine.


Brazil | Namibia | Recovery | Solar

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