Abstract: The use of reverse electrodialysis process for the generation of electrical energy from the potential of the salinity of water can be considered as one of the alternative energy sources. As in the classical electrodialysis process, ion-exchange membranes and solutions with different salt concentrations are used in reverse electrodialysis. The operating parameters of the process and the characteristics of ion-exchange membranes significantly affect the performance of the reverse electrodialysis apparatus. The most effective factors are the flow rate, temperature, composition and pH of the initial solutions and characteristics of ion-exchange membranes.For a more accurate understanding of how all these factors affect performance, electrical and mass transfer through membranes, currently available studies of reverse electrodialysis have been studied, in which devices of various designs were used, various technological modes, and options for organizing movement were considered flow of one component and multicomponent solutions of various salts.This paper discusses the results of disparate studies with a view to their generalization and agreement of conclusions. All studied results were collected in groups according to the types of parameters under study. Such a review can help researchers optimize reverse dialysis systems.
Index terms: reverse electrodialysis, ion exchange membrane, power generation, high concentration, low concentration.

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