In recent years, more efforts have been made to improve new and more efficient non-membrane-based methods for water desalination. Capacitive deionization (CDI), a novel technique for water desalination using an electric field to adsorb ions from a solution to a high-porous media, has the capability to recover a fraction of the energy consumed for the desalination during the regeneration process, which happens to be its most prominent characteristic among other desalination methods. This paper introduces a new desalination method that aims improving the performance of traditional CDI systems. The proposed process consists of an array of CDI cells connected in series with buffer containers in between them. Each buffer, serve two purposes: 1) average the outlet solution from the preceding cell, and 2) secure a continuous water supply to the following cell. Initial evaluation of the proposed CDI system architecture was made by comparing a two-cell-one-buffer assembly with a two cascaded cells array. Concentration of the intermediate solution buffer was the minimum averaged concentration attained at the outlet of the first CDI cell, under a steady state condition. The obtained results show that proposed CDI system with intermediate solution had better performance in terms of desalination percentage. This publication opens new opportunities to improve the performance of CDI systems and implement this technology on industrial applications.
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ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels collocated with the ASME 2015 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems
July 6–9, 2015
San Francisco, California, USA
Conference Sponsors:
- Heat Transfer Division
- Fluids Engineering Division
ISBN:
978-0-7918-5687-1
PROCEEDINGS PAPER
Performance Characterization of a Capacitive Deionization Water Desalination System With an Intermediate Solution and Low Salinity Water Available to Purchase
Seyedehyasamin Salamat,
Seyedehyasamin Salamat
Northeastern University, Boston, MA
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Carlos A. Rios Perez,
Carlos A. Rios Perez
Northeastern University, Boston, MA
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Carlos Hidrovo
Carlos Hidrovo
Northeastern University, Boston, MA
Search for other works by this author on:
Seyedehyasamin Salamat
Northeastern University, Boston, MA
Carlos A. Rios Perez
Northeastern University, Boston, MA
Carlos Hidrovo
Northeastern University, Boston, MA
Paper No:
ICNMM2015-48833, V001T03A013; 6 pages
Published Online:
November 18, 2015
Citation
Salamat, S, Rios Perez, CA, & Hidrovo, C. "Performance Characterization of a Capacitive Deionization Water Desalination System With an Intermediate Solution and Low Salinity Water." Proceedings of the ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels collocated with the ASME 2015 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels. San Francisco, California, USA. July 6–9, 2015. V001T03A013. ASME. https://doi.org/10.1115/ICNMM2015-48833
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