Improvement of a MEH Desalination Unitby Means of Heat Recovery

This paper presents an empirical improvement made to a desalination unit that works under the humidification and dehumidification of air process. It has been observed that the heat content of rejected brine is still usable. A heat exchanger was added in order to partially recover that heat flux, and...

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Bibliographic Details
Published in:Energy procedia 2014, Vol.57, p.2781-2786
Main Authors: Hernández, Hugo, Rubalcaba, Eduardo, Hermosillo, Juan-Jorge
Format: Article
Language:English
Subjects:
air humidification desalination
MEH desalination
Solar desalination
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Summary:This paper presents an empirical improvement made to a desalination unit that works under the humidification and dehumidification of air process. It has been observed that the heat content of rejected brine is still usable. A heat exchanger was added in order to partially recover that heat flux, and reintroduce it to the system at a point where temperature gradients make sense. A significant amount of heat is recovered, producing an increment of about 6 to 10% in the distillation rate.
ISSN:1876-6102
1876-6102
DOI:10.1016/j.egypro.2014.10.310