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Principle and theoretical background of pressure-retarded osmosis process

Sarper Sarp Orcid Logo, Daniel Johnson, Nidal Hilal, Wafa Suwaileh

Osmosis Engineering, Pages: 187 - 202

Swansea University Author: Sarper Sarp Orcid Logo

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DOI (Published version): 10.1016/b978-0-12-821016-1.00004-8

Abstract

Pressure-retarded osmosis (PRO) uses a semipermeable membrane to control the osmotic mixing to generate renewable osmotic power from a salinity gradient. The main goal of a PRO system is to economically provide an appropriate amount of green energy. Furthermore, one of the key factors for a successf...

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Published in: Osmosis Engineering
ISBN: 9780128210161
Published: Elsevier 2021
URI: https://cronfa.swan.ac.uk/Record/cronfa56808
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Abstract: Pressure-retarded osmosis (PRO) uses a semipermeable membrane to control the osmotic mixing to generate renewable osmotic power from a salinity gradient. The main goal of a PRO system is to economically provide an appropriate amount of green energy. Furthermore, one of the key factors for a successful PRO system is the selection of a suitable draw solution that possesses a greater osmotic pressure than that of the feed solute to drag water through the membrane. Therefore quantifying the osmotic pressure and the extractable mixing energy is required. In this chapter, we discuss the general principles of PRO, before addressing modeling of the osmotic pressure associated with the osmotic power generation.
Keywords: Pressure-retarded osmosis, salinity gradient, power generation, renewable energy, osmosis engineering
College: College of Engineering
Start Page: 187
End Page: 202