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Electrochemical removal of dye from a tanning process industrial wastewater

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Abstract

Due to the obvious chemical stability of synthetic textile dyes, conventional wastewater treatment technologies are unsuccessful in the treatment of wastewater containing these colors in synthetic textile applications. The electrochemical oxidation options for dyes removal from wastewater employing various anodes have been proven to be an effective method for mitigating the effects of the dyes. Much interest has been shown in electrochemical oxidation because of its potential as an alternate method for treating wastewater. In this study, the application of electrochemical techniques for the treatment of wastewater from the tanning process has been investigated. The effect of time, initial pH, and conductivity on the turbidity and total dissolved solids were investigated using response surface methodology and Box–Behnken experimental design. The study revealed that the electrooxidation time and pH had a significant effect on the turbidity and the total dissolved solid. While the conductivity of the wastewater did not show much effect on the turbidity and the total dissolved solids. Turbidity and the total dissolved solids of the wastewater were recorded as 0.1924 NTU and 525 mg/L, respectively, at optimum conditions of 90 min, pH of 11.14, and conductivity of 3252.99 mS/cm.

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Correspondence to May Ali Alsaffar.

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Alsaffar, M.A., Rahman, M.A., Mageed, A.K. et al. Electrochemical removal of dye from a tanning process industrial wastewater. Chem. Pap. 77, 6311–6318 (2023). https://doi.org/10.1007/s11696-023-02940-y

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  • DOI: https://doi.org/10.1007/s11696-023-02940-y

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