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Energy recovery using salinity differences in a multi-effect distillation system

 
: Touati, K.; Calle, A. de la; Tadeo, F.; Roca, L.; Schiestel, T.; Alarcón-Padilla, D.-C.

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Desalination and water treatment 55 (2015), No.11, pp.3048-3055
ISSN: 1944-3994
ISSN: 1944-3986
English
Journal Article
Fraunhofer IGB ()

Abstract
The use of Salinity Gradient methodologies to recover part of the osmotic energy in the brine of multi-effect distillation (MED) systems is explored here. Measurements from a membrane-based Pressure Retarded Osmosis laboratory system have been used to estimate the energy that would be recovered from this brine, when a source of low-salinity water is available locally (such as industrial or municipal wastewater). This methodology has been evaluated for a specific case study (72 m3/d solar/gas MED system) at different temperatures.

: http://publica.fraunhofer.de/documents/N-351691.html