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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Electrode Technology Symposium for Aluminum Production
Presentation Title The Research and Industrial Application of an Improved Impact Cleaning Technology of the Double Anode Butts in Aluminium Electrolysis
Author(s) Youlai Wang, Qiusi Yang, Yong Li, Xiancong Xiao, Lei He, Hengjun Zhao
On-Site Speaker (Planned) Hengjun Zhao
Abstract Scope Sodium has a big affect on the air and CO2 reactivity of the carbon anodes. A high content of sodium in the anode will cause serious oxidation and falling dusts of the anode and affect the working conditions of the aluminium electrolysis cell. Sodium in the anode mainly comes from the petroleum coke and the recycled butts. The present butt cleaning technology cannot completely clean the attached bath on the butts, and the present equipment occupies too much space. We developed a special impact butt-cleaning system which has advantages of small volume, high capacity, low failure rate, low operation cost and can be used in the existing anode production line. The industrial application has proven that the new equipment can completely clean the attached bath and soft butts, improve the reactivity and avoid the falling dusts.
Proceedings Inclusion? Planned: Light Metals


3D Transient Modelling of a Complete Fire Line for Anode Baking Furnace Design and Optimization
A Study of Anode Baking Gas Composition
An XANES Study of Sulfur Speciation and Reactivity of Cokes Used for Aluminium Production
Analysis on the Material Balance Based on the Calcination Characteristics of a Chamber Calciner
Challenges and Successes of Conducting Trials for Anode Design Modification
Development and Application of Electrocalciners with Increased Calcination Temperature
Development and Application of Large-scale Shaft Kilns
Effect of Changes in Anode Top Cover Composition on Anode Butt Quality
Effect of Cover Material on the Oxidation Speed of Prebaked Anodes
Formation of Aluminium Carbide in Hall-Héroult Electrolysis Cell Environments
Improved Compaction Method for the Production of Large Scale Anode Paste Samples for Thermo-mechanical Characterization
Inert Anodes – The Blind Alley to Environmental Friendliness?
Influence of Crushing Technology and Particle Shape on the Bulk Density of Anode Grade Petroleum Coke
Interaction between Anode Aggregate and Binder in the Sessile Drop Wetting Test
Laboratory Study of the Impact of Cathode Grade on the Formation of Deposits on the Aluminium Cathode Interface in Hall-Héroult Cells
Method of Defining the Degree of Impregnation of the Dry Aggregate with Pitch in the Process of Anode Production
Multi-scale Modelling of TiB2 Degradation Using Crystal Elasticity Model and Density Functional Theory
Numerical Investigation of the Thermomechanical Behaviour of Anode Butt
Opportunities and Challenges Associated to Green Anode Plant Upgrade for Smelter Amperage Creeping
Research and Application for Large Scale, High Efficiency and Energy Saving Baking Furnace Technology
Research on the Penetration of Potassium-based Electrolyte into Dry Barrier Materials
Role of the Porosity of Carbon Anodes in the Nucleation and Growth of Gas Bubbles
Rotary Hearth Calcining of Petroleum Cokes
Study on the Calcination Performance and Desulfurization Mechanism of Petroleum Cokes with Different Sulfur Contents between 700-1100℃
Study on the Property and Desulfurization Mechanisms of Petroleum Cokes with Different Sulfur Contents from 1200℃to 2800℃
Systemic Analysis for the Selection of Anode Baking Furnace Refractories
The Current Status and Development Trend of the Prebaked Anode Market in China
The Research and Trial of the Aluminum Electrolysis Cells with Current Out from the Bottom
Transport of Sodium in TiB2 Materials Investigated by a Laboratory Test and DFT Calculations
Understanding the Anode Porosity as a Means for Improved Aluminium Smelting

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