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Solar desalination by membrane distillation: Dispersion in energy consumption analysis and water production costs (a review)



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Khayet Souhaimi, Mohamed (2013) Solar desalination by membrane distillation: Dispersion in energy consumption analysis and water production costs (a review). Desalination, 308 . pp. 89-101. ISSN 0011-9164

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Official URL: http://dx.doi.org/10.1016/j.desal.2012.07.010


The non-isothermal membrane distillation (MD) separation process is known for about 50 years and very few studies are reported on its economics, energy analysis and costs evaluations. Dispersed and confusing water production costs (WPC) and specific energy consumption (EC) analysis were reported. Most of them are simulated and others are based on various costs assumptions. At present, the common asked questions about the published papers in MD including EC and WPC are: how these reported calculations on WPC and EC were made?, what is the current WPC of MD?, and how WPC of MD can be improved?. An overview of most studies carried out on these issues is presented and some useful equations and information in this context are reported. Comparison to other separation processes used in desalination is made. At present, the main challenge for large-scale MD is EC and WPC. New directions on MD should be raised. More rigorous investigations and focused directions on economical analysis of MD systems should be conducted. A unified standard method for analysis and calculations should be followed to determine WPC. For the benefit of MD process, one should be cautious when reporting simulated, non-realistic and non-contrasted WPC.

Item Type:Article
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© 2012 Elsevier B.V. The author wishes to thank the support from the University Complutense of Madrid, UCM-BSCH (Projects GR58/08 and GR35/10-A, UCM group 910336).

Uncontrolled Keywords:Small-Scale Desalination, Seawater Desalination, Integrated Membrane, Economic-Evaluation, Exergetic Analysis, Brackish-Water, Sea-Water, System, Efficiency, Units
Subjects:Sciences > Physics > Thermodynamics
ID Code:25932
Deposited On:26 Jun 2014 11:43
Last Modified:14 Mar 2016 15:32

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