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Book Part Citation - Scopus: 2Green Energy Generation Using Membrane Technologies Based on Salinity Gradient(Elsevier, 2023) Güler,E.; Cihanoğlu,A.; Altıok,E.; Kaya,T.Z.; Eti,M.; Kabay,N.Electrical energy can be extracted from salinity gradients, often represented by two aqueous solutions with different salinities. This becomes very interesting when sustainable and practical electromembrane processes can be applied to convert the salinity gradient power into electric power. Reverse electrodialysis (RED), in this context, has gained much interest in the last few years. In addition to many operational and design parameters affecting the process output, ion exchange membranes (IEMs) represent core elements in RED. In this chapter, it is aimed to introduce and discuss the current trend of IEMs as well as vital operational parameters and fouling affecting the RED performance. © 2023 Elsevier Inc. All rights reserved.Review Citation - Scopus: 30Reverse Electrodialysis for Salinity Gradient Power Generation: Challenges and Future Perspectives(Amirkabir University of Technology - Membrane Processes Research Laboratory, 2018) Güler,E.; Nijmeijer,K.Salinity gradient energy, which is also known as Blue energy, is a renewable energy form that can be extracted from the mixing of two solutions with different salinities. About 80% of the current global electricity demand could potentially be covered by this energy source. Among several energy extraction technologies, reverse electrodialysis (RED), using anion and cation exchange membranes for ionic transport that is converted into an electrical current at the electrodes, is most promising. This study provides a brief overview of recent advances in RED technology. Furthermore, it discusses future research directions and prospects to expand the true potential of this technology for power generation. Major emphasis should be on the development of task-specific membranes and stacks, the control of fouling and the design of new applications and hybrid processes. © 2018 MPRL. All rights reserved.
