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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Recycling of Secondary, Byproduct Materials and Energy
Presentation Title Sorting and Impurity Removal to Improve the Recycling of Steel Scrap from Auto Shredders
Author(s) Patrick R. Taylor, Sridhar Seetharaman, Erik Spiller, Zhijiang Gao
On-Site Speaker (Planned) Patrick R. Taylor
Abstract Scope This REMADE project is looking at methods to overcome the barriers that currently limit the use of recycled steel (as recovered from scrap streams) in new steel products. Currently, the use of recycled steel is limited due to contaminants that downgrade the value of the steel by limiting the range of products in which the recycled steel may be used. These limitations are due to technical gaps that are addressed in this exploratory project. (1). The inability to identify and sort steel scrap from auto shredders, in an automated way: The composition of two bulk auto shredder steel scrap samples have been evaluated to determine the amount of copper (Cu) that end up in secondary steel that passes onward to steel production. Two new potential methods for sorting the scrap to reject impurities have been identified. Preliminary experimental results are presented. (2). The inability to efficiently separate Cu from steel scrap from auto shredders using post-shredder technologies: Two methods have been identified and will be evaluated on a lab scale. These experiments are intended to asses metallurgical ways of removing the impurities, downstream, either in the solid or the molten state.
Proceedings Inclusion? Planned:

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Novel Method for Extracting Cobalt, Lithium, Nickel and Manganese from Recycled Lithium-ion Batteries using Electrochemistry
A Potential Hydrometallurgical Treatment for Valuable Metal Recovery from E-waste: Bromine Leaching
A Recycling System for Sustainable Management of Waste Solar Photovoltaic Panels in Taiwan
A Review of Iron and Steel Scrap Recycling in Ironmaking and Steelmaking Processes
Additive Manufacturing via the Direct Ink Writing Technique of Kaolinite-based Clay with Electric Arc Furnace Steel Dust (EAF dust)
An Environmental Impact and Economic Evaluation of using Alternative Feedstock Powders in Metal Additive Manufacturing
Assessing the Techno-economic Feasibility of Solvent-based, Critical Material Recovery from Uncertain, End-of-life Battery Feedstock
Carbon Black from Waste Tires: Purification Strategies and Recycle Potential
Development of a Carbo-granulation Process for the Manufacture of Artificial Aggregates using Mining Residues and Carbon Dioxide
E-52: Characterization of Wasted LEDs from Tubular Lamps Focused on Recycling Process by Hydrometallurgy
E-55: Gravity Separation of Zinc Mine Tailing Using Wilfley Shaking Table to Concentrate Hematite.
E-56: Hydrothermal Regeneration of Cycled LiFePO4 Cathode Material from Spent Lithium Ion Batteries
E-57: Minimization of Copper Contamination in Steel Scrap
E-61: Residual Quarry Sludge Stabilization to Prefabricate Sustainable Building Elements.
E-63: Separation and Recovery of Zinc and Cobalt from Zinc Plant Residue by Alkali Leaching
Engineered Carbon Products from Sustainable Lignin Feedstocks for Energy Applications
Experimentation, Modeling and Optimum Conditions of Pyro-hydrometallurgical-precipitation Reaction Technology for Recovery of Copper as Oxide of Nanoparticles from a Copper Dust
Extraction and Processing of Crystalline Metallurgical-Grade Silicon prepared from Rice Husk Byproduct
Low Cost Metal Recovery from E-Waste
Mechanical Beneficiation of End-of-Life Lithium-Ion Battery Components
Recycling of Crystalline Silicon Solar (PV) Panels: Technological Challenges, Economical Feasibility and Environmental Impact
Recycling of Metallurgical Slag for Electromagnetic Waves Interference Functions
Recycling of Waste Neodymium Magnet trough Electrorefining of Molten Salt
Recycling Research in the Kroll Institute for Extractive Metallurgy
Recycling Technologies of Zn-C batteries: Review and Challenges for a Circular Economy in Colombia
Sorting and Impurity Removal to Improve the Recycling of Steel Scrap from Auto Shredders
Thermal Disengagement Technology: the Perspective of Microrecycling of Polymer-metal Multilayer Packaging Materials
Thermodynamic Modeling and Experimental Validation of Iron-Containing Intermetallic Phase Formation in Recycled Cast Aluminum Alloys
To Recycle or Not to Recycle – Critical Row Materials in Extreme Conditions – European Union Perspective and Challenges
Towards 100% Recycling of Steelmaking Offgas Solid Wastes by Reallocating Zinc-bearing Materials

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