Journal
JOURNAL OF THE INDIAN CHEMICAL SOCIETY
Volume 98, Issue 2, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jics.2021.100026
Keywords
Electrocoagulation; Fluoride removal; Kinetic analysis; Current density
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The electrocoagulation process was effective in removing fluoride from water, with the maximum fluoride removal efficiency observed at pH 6 and CD 75.44 A/m(2). The kinetic study showed that the reaction order ranged from 1.61 to 1.64 with respect to fluoride concentration, and the fluoride removal efficiency of the MS electrode used in this study was comparable to other electrodes in the literature on electrocoagulation.
Electrocoagulation process was used for defluoridation of synthetic fluoride containing water. In the process Mild Steel (MS) was used as sacrificial electrode and experiments were performed with different varying parameters such as pH and current density (CD). The fluoride removal efficiency was found to be maximum at pH 6 and CD 75.44 A/m(2) (2 A). At these conditions fluoride concentration reduces from initial concentration of 50 mg/dm(3) to 5.2 mg/dm(3). Kinetic study of electrocoagulation process revealed that the order of the reaction was in the range 1.61-1.64 with respect to fluoride concentration. It was observed that fluoride removal efficiency of the present MS electrode is comparable to the other electrodes used in electrocoagulation process available in the literature.
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