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Study and Preparation of the Modified Nanostructure Carbon Electrode for Capacitive Deionization (CDI) Process
, Ph.D. Dissertation Sharif University of Technology ; Ahadian, Mohammad Mahdi (Supervisor) ; Shahrokhian, Saeed (Supervisor)
Abstract
Nowadays capacitive deionization (CDI) has attracted a lot of attention for water treatment. CDI is an emerging water treatment technology that uses electrophoretic driving forces for desalination of water. During the CDI process, ions are adsorbed onto the surface of electrodes by applying a low voltage electric field (DC<2V). In addition, the regeneration of the electrodes contains desorption of the electrosorbed ions from the surface of the electrodes to the water in the absence of the applied electric field. In the mechanism of CDI, separation and accumulation of ions in the electric field are the main processes and no additional chemicals are required in this technology. Therein,...