Boosting Water Remediation Processes by Exploring the Role of Carbonaceous Material in Advance Oxidation and Adsorption Processes

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In recent decades, considerable attention has been directed toward wastewater remediation through various processes, including adsorption, advanced photo-reduction/oxidation processes, ion exchange, and more. The linchpin of these processes lies in the judicious selection of appropriate materials, capable of not only meeting the primary requirements but also exhibiting suitable availability. The exploration of carbonaceous materials such as activated carbon, biochar, hydrochar, etc., emerges as a cost-effective strategy for wastewater remediation. The surface area, a well-established pivotal factor, assumes a critically influential role in the wastewater remediation process. Therefore, it is paramount, during the fabrication of such materials, to adopt appropriate strategies to ensure the fulfillment of the targeted material requirements. Due to their extensive surface area, carbonaceous materials hold immense potential in wastewater treatment through advanced oxidation processes (AOPs). The efficacy of these AOPs, encompassing photo-catalysis and photoreduction/oxidation, hinges upon the materials employed, including nanoparticles and hetero-structures. In turn, all AOPs are orchestrated by reactive oxidation species (ROS) generated at the active sites of catalysts, such as nanoparticles and heterostructures. This study comprehensively summarizes the pivotal role of carbonaceous materials, underscores their significance, and elucidates the fabrication techniques essential for their multidisciplinary application in wastewater treatment processes.