#6559. Temperature effects on salinity gradient energy harvesting and utilized membrane properties – Experimental and numerical investigation

December 2026publication date
Proposal available till 05-06-2025
4 total number of authors per manuscript0 $

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Journal’s subject area:
Energy Engineering and Power Technology;
Renewable Energy, Sustainability and the Environment;
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Abstract:
Salinity gradient energy (SGE) is a source of renewable energy which utilizes the osmotic pressure difference between two water streams of different salinities. The present paper investigates the effect of environmental water temperature variations on the performance of the pressure retarded osmosis (PRO) process employed to harvest SGE. Using experimental and numerical approaches, the effect of water temperature on water and salt permeabilities as well as membrane structure parameter have been measured using a bench scale system and a commercially available FO membrane. The water and salt permeability coefficients have been found to increase with the water temperature while the membrane structure parameter decreases.
Keywords:
Membrane properties; Pressure retarded osmosis; Salinity gradient energy; Solution temperature

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