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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Advances in Environmental Technologies: Recycling and Sustainability Joint Session
Presentation Title Recovery of Metals and Nonmetals from Waste Printed Circuit Boards (PCBs) by Physical Recycling Techniques
Author(s) Muammer Kaya
On-Site Speaker (Planned) Muammer Kaya
Abstract Scope This paper reviews the existing and state of art knowledge for PCBs recycling in order to recover the base (Fe, Cu, Al, Sn etc.) and valuable (Au, Ag etc.) metals and nonmetals (resins, glassfiber, ceramics, BFRs etc.) with and without electronic components. PCBs constitute about 3% of the total electronic waste and contain 30% metals and 70 % nonmetals. Therefore; they are respected as both polimetallic secondary source and potentially toxic waste due to Pb, Hg, Cd, Cr and BFR contents if improperly managed or recycled. This paper classifies and characterises waste PCBs; describes PCB structures; electronic components joinings; manual and automated dismantling techniques; communition by shredding and pulverizing for liberation; physical separation methods (gravity, magnetic and electrostatic); metallurgical processing (pyrometallurgy, hydrometallurgy and biohydrometallurgy) and purification processes. PCB selective manual dismantling, physical separation and hydrometallurgical extraction results in laboratory scale will also be presented along with a flowsheet.
Proceedings Inclusion? Planned:


A Low Temperature Procedure for the Delamination of Brominated Epoxy Resin of Waste Printed Circuit Boards
Accelerating Life-cycle Management Protocols for New Generation Batteries
Addressing Criticality in Rare Earth Elements through Strategic Recycling
Characteristics of Municipal Solid Waste Incineration Bottom Ash with Particulate Matters PM2.5 ~PM10
D-4: Chronopotentiometry Applied to the Determination of Copper Transport Properties through a Cation-exchange Membrane
D-5: Effect of Flow Rate on Metals Adsorption of Synthetic Solution Using Chelating Resin Dowex XUS43605 in Column Experiments
D-6: Evaluation of the Silver Recovery from Solid Industrial Wastes in an Electrochemical Reactor
D-7: Preparation of Core-shell Fe3O4@SiO2 Nanoparticles from Iron Tailing via Chemical Co-precipitation Method
D-8: Recycling of Worn Lithium Ion Batteries through a Process of Co-grinding with PVC
D-9: Chemical Reduction of Fe(III) in Nickel Lateritic Wastewater to Recover Metals by Ion Exchange
Development of a Separation Process of NBR/ HNBR Rubber from Metal Substrate
Development of Open Source Software Tool for Life Cycle Assessment of Rare Earth Elements Production
Environmental Implications of Laser Metal Deposition: The Role of Feedstock Powder and Material Utilization Fraction
Fabrication of Aluminum Foam from Aluminum Scrap
Recovery of Aluminum from the Secondary Aluminum Production Dust
Recovery of Electrolytic Zinc from Aqueous Wastes: An Approach to the Industry of Hot Dip Galvanized
Recovery of Metals and Nonmetals from Waste Printed Circuit Boards (PCBs) by Physical Recycling Techniques
Scoping the Potential of Coal Ash as a Source of Rare Earth Elements
Understanding Scrap Recycling and the Potential of Hand-held Elemental Analyzers

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