Sustainable Recovery of Rare Earth Elements from Wastewater Streams

Surajbhan Sevda is currently an Assistant Professor at the Department of Biotechnology, National Institute of Technology, Warangal, India. Prior to this, he was a technical officer (research scientist) at IIT Guwahati, India. He completed his Doctoral Degree in 2013 from Indian Institute of Technology, New Delhi, India. He was a visiting scientist at University of Calgary, Canada in 2018. His research experience lies in the bioreactor design, modelling of microbial growth, biofuels, and bioenergy, life cycle analysis (LCA), metal recovery, biosensor development, green chemistry, microbial electrosynthesis, enzyme and antibiotic production.

• 1. Introduction to Rare Earth Elements: Properties and Strategic Importance2. Rare Earth Elements in Wastewater: Occurrence, Chemistry, and Recovery from Industrial and Urban Source3. Environmental Risks and Toxicological Impacts of Rare Earths4. Circular Economy and Sustainability Perspectives in Rare Earth Recovery5. Chemical Behavior and Thermodynamic Properties of Rare Earth Elements in Water-Based System6. Adsorption Mechanisms for Rare Earth Recovery: Sorbents and Surface Chemistry7. Ion Exchange Processes for Selective Rare Earth Separation8. Membrane-Based Recovery of Rare Earth Elements: Ultrafiltration, Nanofiltration, and Beyond9. Solvent Extraction of Rare Earth Elements: Advances and Limitations10. Combined Physicochemical Approaches for Enhanced Recovery Efficiency11. Biosorption of Rare Earth Elements by Microorganisms and Biomass12. Bioleaching and Bioremediation Strategies for Rare Earth Recovery13. Enzyme-Driven Processes for Selective Separation of Rare Earth Elements14. Metabolic and Genetic Engineering for Microbial Rare Earth Recovery15. Integrating Microbial Electrochemical Technologies for Rare Earth Element Recovery from Aqueous Waste Streams16. Nanomaterials and Functionalized Surfaces for Rare Earth Capture17. Magnetic Nanoparticles for Rare Earth Element Separation18. Ionic Liquids and Deep Eutectic Solvents for Green Separation Processes19. Electrochemical and Photocatalytic Techniques for REE Recovery20. Artificial Intelligence and Machine Learning in REE Recovery Process Design21. Recovery of Rare Earth Elements from Industrial Effluents of Mining, Metallurgical, and Electronic Sectors22. Sustainable Valorization of Urban and Electronic Waste Streams for Rare Earth Element Recovery23. Techno-Economic and Life Cycle Assessment of Rare Earth Recovery Technologies24. Industrial Case Studies on REE Recovery from Effluents25. Future Roadmap: Integrating Rare Earth Recovery into Global Wastewater Management