Adsorption desalination of chloride ions on composite natural–synthetic materials: An approach for the reduction of chlorine corrosion in electrodeionization units

The release of chlorine in the electrodeionization (EDI) unit causes corrosion in the EDI unit, damaging ion exchange membranes and creating a safety risk for the workers. In this work, adsorption desalination of Cl− ions on low-cost composite synthetic–natural Jordanian materials were investigated...

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Bibliographic Details
Published in:Journal of industrial and engineering chemistry (Seoul, Korea) 2013, 19(6), , pp.1895-1902
Main Authors: Al-Rawajfeh, Aiman E., Al-Shamaileh, Ehab M., Al-Whoosh, Khaldoon, Al-Ma’abrah, Ala’a, Al-Zorqan, Ramzi, Zanoon, Rana, Rawajfeh, Khalid, Al-Jufout, Saleh
Format: Article
Language:English
Subjects:
Adsorption desalination
Chlorine gas release
Corrosion
Electrodeionization
Natural materials
화학공학
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Summary:The release of chlorine in the electrodeionization (EDI) unit causes corrosion in the EDI unit, damaging ion exchange membranes and creating a safety risk for the workers. In this work, adsorption desalination of Cl− ions on low-cost composite synthetic–natural Jordanian materials were investigated as an approach to prevent the release of corrosive chlorine gas at the positive electrode. The percentage removal reaches 25% at 25min shaking time to 55% at 120min, in a single batch experiment. The values of ΔH0, ΔS0, and ΔG0 indicate the favorability of physisorption. Zeolite and Pozzolana represent potential adsorbents of chloride.
ISSN:1226-086X
1876-794X
DOI:10.1016/j.jiec.2013.02.035