Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 153, Issue 1-2, Pages 107-113Publisher
ELSEVIER
DOI: 10.1016/j.jhazmat.2007.08.024
Keywords
electrodialysis; fluoride; separation; ion exchange membranes; water; wastewater
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Removal of fluoride from aqueous solution by electrodialysis was studied. Applied voltage, feed flow rate, fluoride concentration in the solution and effect of the other anions as sulfate, chloride were investigated as experimental parameters on fluoride removal from aqueous solution. The separation performance was evaluated in terms of mass transfer and energy consumption. It was obtained that the separation performance increased when the initial concentration of fluoride in the feed solution increased. Percent removal of fluoride increased as the applied potential increased. However, the effect of feed flow rate was not apparent in the range of applied feed flow rate. Separation of fluoride was influenced by chloride but not by sulfate ions. (c) 2007 Elsevier B.V. All rights reserved.
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