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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Cast Shop Technology: Recycling and Sustainability Joint Session
Presentation Title Dissipative Use of Critical Metals in the Aluminum Industry
Author(s) Ayo Arowosola, Alexandra Leader, Leslie Brooks, Gabrielle Gaustad
On-Site Speaker (Planned) Ayo Arowosola
Abstract Scope To improve properties such as weldability, corrosion resistance, strength, etc. the aluminum industry, in recent years, have enhanced functionality of aluminum alloys by increasing diversity of metals being used for alloying. These metals often include critical ones i.e. those that are geologically scarce, highly prone to supply bottleneck and/or highly demanded with no known substitute. A logical solution to the above-mentioned identifiers would be the recovery of these critical materials from the finished products at their end of life. Unfortunately, the yield of the critical metals, on recovery, is too low for feasible economic recovery and therefore they are dissipatively lost. This work quantifies the impacts of such losses using material flow analysis and life-cycle assessment in order to suggest best practices to minimize these impacts. Results show circular economy strategies can be effective to mitigating criticality risk in the aluminum industry.
Proceedings Inclusion? Planned: Light Metals


Behavior of Mg-Si-rich Phases in Aluminum Can Sheets and Their Impact on Metal Oxidation during Industrial Thermal Pre-treatment
C-47: Promotion of Separation of Two Phase Liquid Metals by Applying Mechanical Vibration
Dissipative Use of Critical Metals in the Aluminum Industry
Environmental Impacts of Aluminum Dross after Metal Extraction
In-situ Observation of Dross Formation during Melting of Al-Mg Alloy
Potential for Handheld Analyzer to Address Emerging Positive Material Identification (PMI) Challenges
Recycling of Oxide from Dross into Aluminum Electrolysis Cells
The Implementation of a Comprehensive Dross Management Program at Constellium Ravenswood

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