Continuous Electrochemical Coagulation Study For Simultaneous Removal Of Arsenite And Fluoride From Drinking Water
Journal Title: International Journal of Engineering and Science Invention - Year 2018, Vol 7, Issue 11
Abstract
: Continuous Electrochemical coagulation(CECC) studies was carried out for simultaneous removal of arsenite and fluoride from groundwater for optimal operating condition obtained from batch ECC studies for Fe1-Fe2-Fe3-Fe4(FFFF) and Fe1-Fe2-Al3-Fe4(FFAF)electrode arrangement. Results revealed, maximum removal effliciency of arsenite achieved for Fe1-Fe2-Fe3-Fe4(FFFF) with 16V, 4 iron electrodes(4E) for 45 min ET and removal of both arsenite and fluoride was achieved for Fe1-Fe2-Al3-Fe4(FFAF) electrode arrangements for 16V, 4E for 45 min ET for fixed arsenite and fluoride concentration of 1.6 mg/L and 12 mg/L respectively. The CECC studies investigated the effect of different flowrates 2,4 and 6 Lph in simultaneous removal of arsenite and fluoride from groundwater for Fe1-Fe2-Fe3-Fe4 and Fe1-Fe2-Al3-Fe4. Maximum As(III) and 𝐹 − concentration reduction occurred from its initial value for Fe1-Fe2-Al3-Fe4(FFAF) of CECC with effective carbon bed 22cm depth activated carbon column for 2Lph. The other drinking water quality parameters after CECC were well within the BIS drinking water quality standards. Thus, novelty of CECC studies reflected lesser the flowrate more simultaneous removal of arsenite and fluoride efficiency.
Authors and Affiliations
Shruthi M, Mahesh S, Sahana M
Keywords
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