Abstract
Electrochemical oxidation (ECO) technology has proven to be efficient for organic wastewater treatment. Given the strong demand for the development of anodes with superior stability, high activity, and low cost that can be applied industrially, herein, a stable Sb-doped Ti/RuO2-IrO2-SnO2 electrode (SSE) is fabricated and served as an anode for the degradation of aniline using diverse power supply modes. The SSE shows better performance than the Ti/RuO2-IrO2-SnO2 electrode (SE) in facilitating electron transport, enlarging the electrochemical active surface area, enhancing stability, and increasing electrocatalytic activity. Theoretical calculations reveal the stability and electronic properties of the synthesized electrodes. Furthermore, by degrading complex molecules and real wastewater, the practical industrial application of SSE is explored. Subsequently, the active species and possible degradation pathways are systematically elucidated. Therefore, this work provides a promising and superior-performance electrode with attractive application prospects for the high-efficient degradation of refractory organic wastewater.
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