Advantages of the reuse of spent adsorbents and potential applications in environmental remediation: A review

• Innovative Applications of Spent Adsorbents. • Environmental and Economic Benefits. • Mechanistic Insights into Adsorbent Reuse. Adsorption represents a highly promising methodology for wastewater treatment, characterized by its operational simplicity and economic efficiency in extracting environmental pollutants. This study investigates the possible uses and benefits of recycling wasted adsorbents containing metals in various environmental remedy projects to tackle the urgent issue of secondary contamination. Recycling used adsorbents are proposed to reduce secondary pollution and provide numerous economic and ecological advantages in wastewater treatment. This study comprehensively analyzed the existing…