Solar Thermal Desalination Systems with Multi-layer Heat Recovery (2004)

This document was produced by researchers of the Solar-Institut Jülich, Universidade Federal do Ceara and RWE-Aqua and explores the benefits of using systems with multi-layer heat recovery in solar thermal desalination plants.
The project, financed by Greenpeace International, looked at three concrete examples of desalination plants, using multi-layer heat recovery:

  • 4 m² flat plate collector with a 1 m² evaporation surface
  • 2.4 m² parabolic reflector with a 0.66 m² evaporation surface
  • 2 m² evacuated tube collectors with a 1 m² evaporation surface

The results of the research showed that using systems with multi-layer heat recovery in solar thermal desalination plants constitutes an economically attractive alternative to the technically demanding desalination systems commercially available. Thus it also allows producing between 50 and 5000 litres of drinking water per day.

Authors: C. Müller, K. Schwarzer, E. Vieira da Silva, C. Mertes 
Date: 2004
Pages: 6
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