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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Aluminum Reduction Technology
Presentation Title Process and Environmental Aspects of Applying Unshaped Carbon Materials for Cell Lining Purposes
Author(s) Alexander Proshkin, Vitaly Pingin, Viktor Mann, Aleksey Zherdev, Andrey Sbitnev, Yury Shtefanyuk
On-Site Speaker (Planned) Alexander Proshkin
Abstract Scope The number of RUSAL’s cells with un-shaped, eco-friendly materials of the insulation and part of the refractory – materials that can be re-cycled in the amount of no less than 80% – has been increased up to 1,600. Because of said materials’ lower density and re-cycling, it is possible to reduce the amount of SPL requiring landfilling. The paper elaborates on technologies to both expand and improve pyrolysis products from carbon raw materials, so that products from lignite, charcoal and grass culms can be used as thermal insulation in cells with un-shaped lining materials. The paper provides the results of researching both earlier-tested and new un-shaped carbon materials. New materials are compared with earlier-tested and conventional lining materials, in terms of efficiency and performance. Additional information is given about the use of such materials, including equipment for their installation. Autopsy results are provided for different-age cells lined with un-shaped materials.
Proceedings Inclusion? Planned: Light Metals


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Coupled SPH-DEM to Simulate the Injection of a Powder into a Liquid with Heat Transfer and Phase Change
Dissolution Characteristics and Concentration Measurements of Alumina in Cryolite Melts
Electrochemical Reduction and Dissolution of Aluminium in a Thin-layer Refinery Process
Experience with Lengthy Pot Hibernation at Alcoa Baie-Comeau
Gas Treatment in the GE Pot Integrated ABART Modules (PIA)
Hydro’s New Karmøy Technology Pilot: Start-up and Early Operation
Improvement to Alpsys Instability and Alumina Feeding Control
Individual Anode Current Monitoring during Aluminum Reduction Cell Power Reduction
Influence of Additives on Alumina Dissolution in Superheated Cryolite Melts
Instant Monitoring of Aluminum Chemistry in Cells Using a Portable Liquid Metal Analyzer
Introductory Comments: Aluminum Reduction Technology
Latest Developments in GTC Design to Reduce Fluoride Emissions
Low and High Voltage PFC Slope Coefficient Monitoring during Pot Start-up
Mass Transport by Waves: Bath-metal Interface Deformation, Rafts Collision and Physical Model
Modeling Anode Current Pickup After Setting
New Phase in Upgrade of Søderberg Technology at RUSAL’s Smelters
On Gaseous Emissions during Alumina Feeding
On the Feasibility of Using Low-melting Bath to Accommodate Inert Anodes in Aluminium Electrolysis Cells
Process and Environmental Aspects of Applying Unshaped Carbon Materials for Cell Lining Purposes
Superconductor Busbars – High Benefits for Aluminium Plants

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