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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Rare Metal Extraction & Processing
Presentation Title Studies on the Hydrometallurgical Recovery of Metals from Used and End of Life PCBs
Author(s) Om Shankar Dinkar, Rekha Panda, Pankaj Kumar Choubey, Manis Kumar Jha, Balram Ambade
On-Site Speaker (Planned) Om Shankar Dinkar
Abstract Scope In this era of modernisation, the demand of metals is increasing as well as limitation of primary resources created a huge gap between demand and supply. In this connection, attempt has been made to recover Pb, Sn and Cu from waste PCBs of computer hard disc using pre-treatment followed by hydrometallurgical techniques.In PCBs encapsulation of epoxy sheets hinders dissolution of metals.Therefore, initially PCBs were depopulated and then using pre-treatment techniques i.e. size reduction, wet gravity separation and mix metal concentrate was obtained.This obtained concentrate was used further for developing various metal recovery processes and optimisation of various process parameters. The experimental results indicate,~ 99%recovery of metals using suitable leachants and extractants.The obtained data is presented and validated to develop a process flow-sheet. This work will be productive for the researchers,students and industrialists working in this area.
Proceedings Inclusion? Planned:
Keywords Hydrometallurgy, Extraction and Processing, Other


An Innovated Hydrometallurgical Process for Recoveries of Critical and Rare Metals from Copper Anode Slimes
Biosorption as a Vital Tool for Metal Recovery in Effluent Treatment: Review
Di-phenols Functionalized Chitosan as Selective Adsorbents for Extraction of Germanium
Eutectic Freeze Crystallization for Recovery of Cobalt Sulfate in the Recycling of Li-ion Batteries
Experimental Investigation of Liquid Metal Leaching for Rare Earth Magnet Recycling
Extraction of Tungsten, Yttrium and Uranium from Tantalum – Niobium Ore from Muchinga Province in Zambia
Formation Rates of Different Zinc Oxide Crystal Morphologies Associated with the Recycling of Zn-ion Batteries
Leaching of Neodymium from Recycled NdFeB Magnet Powders Using Citric Acid
New Insights on Titanium(IV) Speciation to Improve the Purification of Concentrated Phosphoric Acid
Production of High-purity Mg Metal from Various MgO Resources through a Novel Electrolytic Process Using a Cu Cathode and Vacuum Distillation
Production of Micro-sized Metallic Tungsten Particles from Natural Wolframite and Scheelite via Sulfide Chemistry
Purification of an Indigenous Barite Mineral for Sustainability of Operation in the Nigerian Oil and Gas Industries
Pyrolysis of Waste Printed Circuit Boards: Optimization Using Response Surface Methodology and Characterization of Solid Product
Rare Earth Elements Extraction from an Ionic Clay from South America
Recovery and Separation of Vanadium and Tungsten from Spent SCR Catalyst by Hydrometallurgical/ Hybrid Routes
Recovery of Copper Metal from Discarded Printed Circuit Boards (PCBs) by Hydro and Electro Metallurgical Processes
Recycling of Copper and Gold from Waste Printed Circuit Boards by Leaching Followed by Solvent Extraction
Recycling of Rare Earth Elements (REEs) from Scrap Nd-Fe-B Magnets
Removal of Selenium from Chloride Media using Bioadsorbent
Separation of Rare Earth Elements from Monazite via Sulfidation
Studies on the Hydrometallurgical Recovery of Metals from Used and End of Life PCBs
Tantalum Recovery Technique for Recycling of Tantalum Coated Composite Materials
The Behaviour of Minor Metals in BOF Slag Under Different Additives

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