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Volume-9,Issue-4  ( Oct, 2021 )
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Paper Title :
Fluoride Removal by Electrocoagulation (EC) Process: Aluminum Chemistry and Speciation

Author :Mohammad Mahdi Emamjomeh, Mahdi Farzadkia

Article Citation :Mohammad Mahdi Emamjomeh ,Mahdi Farzadkia , (2016 ) " Fluoride Removal by Electrocoagulation (EC) Process: Aluminum Chemistry and Speciation " , International Journal of Advances in Science, Engineering and Technology(IJASEAT) , pp. 79-82, Volume-4, Issue-4

Abstract : When aluminum electrodes are used, the aluminum goes into solution at the anode and produces aqueous aluminum species and hydrogen gas is released at the cathode. Coagulation with aluminum salts occurs at a wide range of pH due to different mechanisms. In the EC process, the pH of the coagulation cell increases with liberation of H2 at the cathode. This increase is mainly dependent on the current for all cases. When pH<4, aluminum remains in the form of Al3+, and no precipitation occurs, so the fluoride concentration cannot be reduced. When 47, OH- ions increase in water. In the anodic adsorption layer, the concentration of OH- ions is higher than the concentration of F-, so the production of the species becomes difficult; therefore, the reduction of fluoride from water and waste water at a range of pH>7 is affected by the formation of aluminum hydroxide floc. in the abstract. Do not delete the blank line immediately above the abstract; it sets the footnote at the bottom of this column. Keywords- Aluminum chemistry, Fluoride removal, Monopolar electrocoagulation process, Speciation.

Type : Research paper

Published : Volume-4, Issue-4


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