Abstract
This study investigated the oxidation of wastewater generated during the production of glass fiber manufacturing material, which contains high organic carbon (18.32 g/L) and has a pH of 8.8, by chemical coagulation and electro-advanced oxidation techniques. It was determined that the organic content of the wastewater decreased by 53% with chemical coagulation. After electrocoagulation with Al/Al electrode pair for 300 minutes at 500 mA, 73% TOC removal was achieved at pH 8.8. While 50% mineralization was completed in 2 h at 400 mA in electrocoagulation with Fe/Fe electrode pair, 71% TOC removal was obtained in the combined EC/EF process by adding hydrogen peroxide to the medium under the same conditions. It was observed that the success of the anodic oxidation methods alone was lower. The electro-Fenton application after electrocoagulation was effective (78% TOC removal) but required work at pH 3 and a longer treatment time.
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