Abstract
In this paper, the comparison of activated carbon fiber (ACF) felt and graphite cathode suggested H 2O 2 might effectively be electrogenerated from O 2 reduction on the large surface area ACF felt cathode, this was more adaptive for electro-Fenton process. The removal of color and total organic carbon (TOC) from simulated dye wastewater containing Acid Red 14 (AR14) was experimentally investigated using electro-Fenton reaction with ACF cathode. After 360 min of electrolysis and under the operation conditions of 0.36 A current, 1 mM Fe 2+ at pH 3, 70% TOC was removed as well as complete decolorization occurred. The effect of Fe 2+ ion concentration and applied current were also studied in detail in the experimental runs.
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