Recent advancements in modified SnO2–Sb electrodes for electrochemical treatment of wastewater

Abstract

In recent years, there has been significant interest in SnO₂–Sb as an anode material for the electrochemical treatment of wastewater containing refractory organic compounds. This review offers an overview of the properties of SnO₂–Sb materials, their modification and synthesis methods, and the recent developments in utilizing SnO₂–Sb and its modified electrodes for the removal or reduction of recalcitrant organic pollutants in wastewater. This review elucidates the fundamental properties and characteristics of SnO₂–Sb electrodes, providing a basis for comprehending their potential in wastewater treatment. This review addresses practical challenges related to catalytic selectivity of SnO₂–Sb anodes, such as improving the production of reactive oxygen species (ROS) such as O₃ and H₂O₂. This review examines the preparation methods for SnO₂–Sb and its modified electrodes, emphasizing their simplicity and scalability. Furthermore, this article presents partial experimental results and case studies that demonstrate the efficacy of modified SnO₂–Sb electrodes in removing various pollutants, including organic compounds and dyes, from industrial wastewater. In conclusion, this paper summarizes the potential and significance of modified SnO₂–Sb electrodes in the treatment of industrial wastewater. It emphasizes their robust performance, stability, and sustainability, making them a promising solution for mitigating industrial wastewater pollution.