ICSOBA 2024

ICSOBA 2025

26-31 October 2025
Nanning, China
ICSOBA 2024

Host sponsor

Chinalco

Nonferrous Metals Society of China (NFSOC)

Editors

Dagoberto Severo, Stephan Broek, Michel Reverdy, Efthymios Balomenos, Sébastien Fortin, Andrey Panov, Francesco Baccalà, Vinko Potocnik, Claude Ritter, Joseph Langlais and Serge Despinasse

Description

ICSOBA 2025 conference took place in Nanning on 26-31 October 2025. The conference covered bauxite, alumina, bauxite residue, electrodes for aluminium electrolysis, aluminium electrolysis, and casthouse operation in a variety of technical sessions. Chinalco and NFSOC were the host sponsors.

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Сonference materials

Papers
TRAVAUX № 54
TRAVAUX № 54
KN01 - Development Achievements and Future Outlook of China’s Aluminium Industry
KN02 - Technological Goals and Progress for High-Quality Development of China's Aluminium Industry
KN03 - Development and Application of Key Technologies for Energy -Saving, Low-Carbon, and Digital-Intelligent Aluminium Electrolysis
KN04 - China Hongqiao Group –A Journey of Sustainability, Advanced Technology, Research and Development and Innovation
KN05 - Practice and Innovation of Green, Low-Carbon and High-Quality Development Driven by Circular Economy
KN06 - From Regional Mismatch to Coordinated Optimization - Interpreting the Development of China’s Anode Industry in 2024
KN07 - Global Cooperation on Key Challenges for the Aluminium Industry
KN08 - Building a Responsible and Sustainable Aluminium Value Chain - The Role and Progress of Aluminium Stewardship Initiative (ASI)
KN09 - The International Aluminium Institute’s Bauxite and Alumina Committee - A Blueprint for Industry Collaboration
KN10 - Bridging Markets - Strategies for Western and Chinese Aluminium Technology Suppliers
KN11 - Technical and Economic Advantages and Application Progress of NEUI600 High-Amperage Aluminium Reduction Cells
KN12 - Global Alumina and Aluminium Market Review and Outlook
KN13 - Journey of Hindalco Renukoot - An Integrated Aluminium Producer in India
BX01 - Development of Activator Technology for Flotation Desulfurization of High-Sulfur Bauxite
BX02 - Progress on Quality Improvement Technology of Low-Quality Complex Bauxite
BX03 - Computational Study on the Effect of Particle Shape on Particle-Bubble Interactions Using Discrete Element Method
BX04 - Increase in Metallurgical Recovery of Alumina on Bauxite Beneficiation with Small-Diameter Hydrocyclones
BX05 - Thermal Denaturing and Study of Bauxite Organics
BX06 - Ultrasonically Enhanced Pre-leaching for the Removal of Organic Substances from Bauxite and Recovery of Leachate Through Wet Oxidation
BX07 - Pretreatment Technology of Gibbsitic Bauxite with High Organic Matter Content
BX08 - Online Detection Method for Bauxite Composition
BX09 - Enhancing Wet Bauxite Processing Through Innovative Handling Aid Solutions
BX10 - High-Throughput Bauxite Characterization and Process Monitoring via Automated QXRD Integrated with Cluster Analysis and PLSR Modelling
BX11 - Process Control in a Refinery Based on NIR Real Time Analysis of Bauxite or Coal
BX12 - Decarbonization Applying Micro-fragmentation in Bauxite Mining from Hydro Paragominas, Brazil
BX13 - Process Optimization - from Software Sensor to New Control Strategy and Applicability of Artificial Intelligence
BX14 - Yard Machine Automation – Hydro Paragominas Autonomous Yard
BX15 - Technical Solution for Beneficiation Plant Operational Continuity During Tailings Thickener Overhaul
BX16 - Big Data Management and the Application of Reliability Engineering for the Optimization of Critical Components
BX17 - Automated Governance - An Integrated Microsoft Application for Enhanced Management Processes
BX18 - Sustainable Upgrading of Bauxite and Valorization of Bauxite Tailings
BX19 - Transforming Organic Waste into Forests
BX20 - High-Precision Rehabilitation - Maximizing Impact and Minimizing Costs
AA01 - Current Status and Development Trends of China's Alumina Production Technologies
AA02 - Modern Efficient Alumina Refinery Digestion Design
AA03 - The Borneo Alumina Indonesia Project’s Success in Production
AA04 - Analysis of the Differences between Chinese and American Standards and their Impacts in the Structural Design of the BAI Alumina Project in Indonesia
AA05 - Vibration Analysis of the Support Structure of the Raw Material Banana Sieve
AA06 - Application of Concrete Filled Steel Tube Column Structural System in Calcination Furnaces
AA07 - Hydrogen Bonding Adsorption Principle in Caustic Solution of Aluminium Hydroxide
AA08 - Analysis of Bauxite Fractions and Synthesis of Stable Sodium Silicate Solution
AA09 - Alumina Recovery from Sodium Aluminate Solutions via Carbonation
AA10 - A New Calcification Transformation Method for Clean Production of Alumina
AA11 - Main Factors Affecting the Stability of Liquor Causticization Indexes in Aluminium Production
AA12 - Crystallization and Separation of Potassium-Containing Salts in Sodium Aluminate Solution
AA13 - Digestion Laws of Alumina and Organic Carbon in High-Organic Bauxite
AA14 - Industrial Application of Sodium Nitrate Oxidation Treatment Technology for High-Sulfur Bauxite
AA15 - An Alternative Approach for Production of Non-Metallurgical Grade Aluminium Hydroxide Utilizing Low-Grade Bauxite
AA16 - Flocculant-assisted Vanadium Removal: Enhancing Purity and Economic Recovery
AA17 - Determination of Gallium in Bayer Spent Liquor by Voltammetry (ASV)
AA18 - Automated Multi-component Detection Methods for Sodium Aluminate Solution
AA19 - Bauxite Mill Charge Control Based on Vibration Signal and Computer Vision
AA20 - Washer Overflow Liquor Chemistry Prediction by Using Mud Level Instrumentation
AA21 - Nalco Water’s ScaleGuard Treatment and SCRAMO Realtime Scaling Rate Measurement in Settlers and Washers
AA22 - Improving the Alkali Recovery Efficiency of Red Mud Sedimentation System
AA23 - Development of Mud Rheology Modifiers
AA24 - A New Fabric Material with Anti-scaling Properties for Security Filtration in Bayer Process
AA25 - Innovations in Process Water Treatment for Enhanced Reuse in Alumina Refining
AA26 - Laboratory Experiments on Bauxite Processability in Al Taweelah Alumina Refinery
AA27 - Understanding Precipitator Performance via CFD Modelling
AA28 - Performance Improvement of Wide-Channel Welded Plate Heat Exchanger for Bayer Precipitation Process
AA29 - Strategy for Operating a Singular Agglomeration Tank Improving Product Size Control and Yield
AA30 - Overcoming Caustic-Free Cleaning Challenges with MVR Evaporator-Crystalliser
AA31 - A Novel HGD-CFD Framework for Efficient Simulation of Granular Flow Dynamics
AA32 - Driving Forces and Pathways for China’s Alumina Quality Upgrade
AA33 - Zinc Removal in Bayer Process Alumina Production – Current Status and Optimization Suggestions
AA34 - Optimizing Electrical Precipitators with Multiclone Technology for Particulate Emission Control in Alumina Calcination
AA35 - Machine Learning and Time Series Data Used in the Prediction and Regulation Model of Alumina Hydroxide Particle Size Distribution
AA36 - Effect of Lithium on the Seed Precipitation Process
AA37 - Enhancing the Sustainability of Alumina Refineries - Exergy Insights from Process Simulation
AA38 - Enhancing Evaporator Economy - A Key Strategy for Sustainability and Decarbonization
AA39 - Comparative Analysis of Final-Effect Secondary Steam Cooling Methods in Evaporation Stations of Alumina Plants
AA40 - Technical Assessment of Efficient Steam Recovery from Alumina Calcination for Sustainable Bauxite Digestion
AA41 - New Energy-saving Technologies in the Evaporation Section of Alumina Production
AA42 - Embracing Net Zero - A Step Towards a Sustainable Future
AA43 - Key Technologies for Energy Consumption Reduction of Aluminium Hydroxide Calciners
AA44 - Optimising Alumina Production Through Advanced Process Monitoring and Alert Systems
AA45 - Innovation and Application of IoT and AI in the Logistics Measurement System of Alumina Production
AA46 - High-purity Alumina Production Prospect from Alternative Raw Materials
AA47 - Application of Specialty Chemicals during Precipitation for Production of High Quality Alumina Hydrate with Higher Productivity
AA48 - Maximizing Processing of Low-Grade Bauxite to Fulfil the Specialty Alumina Demand
AA49 - An H3O-Alunite Method for Production of Smelter Grade Alumina from an Ammonium Alum Solution after High-Pressure Acid Leaching of Coal Fly Ash
AA50 - Analysis of the Main Technologies for the Utilization of High-Alumina Coal Fly Ash
AA51 - Value-added Alumina Product from Low-grade Feedstock: From Concept to Test Work and Beyond
BR01 - Bauxite Residue CO2 Mineral Sequestration Assessment
BR02 - Mineral Evolution and Elemental Migration During Reductive Bayer Digestion of Guinea Bauxite
BR03 - Processing of Pond Liquor from an Alumina Refinery
BR04 - Effect of Magnetite-Containing Bauxite Residue on High-Pressure Alkaline Leaching of Boehmitic Bauxite and Subsequent Thickening Rate
BR05 - Dredging of Basins for Geobags - An Innovative Solution for Sediment Management in Alumina Production
BR06 - Opportunities and Challenges of Bauxite Residue Valorisation from an Engineering Perspective – Revisit of Sintering Process
BR07 - Waste to Value – Sustainable Valorization of Bauxite Residue
BR08 - Suspension Magnetization Roasting with Low-Intensity Magnetic Separation Process for Iron Recovery from Red Mud
BR09 - Thermodynamics and Kinetics of Leaching High Alkali Red Mud with Dilute Sulfuric Acid
BR10 - Calcification Transformation Process of High-Iron Red Mud for Sustainable Alumina Production
BR11 - Bauxite Residue Alkali-Magnetization Reduction Roasting Process
BR12 - High-Intensity Magnetic Separation of Bauxite Residue for Iron Recovery
BR13 - Technology to Produce Scandium Oxide from Sintering Red Mud
BR14 - Review of the Co-Utilization of Bauxite Residue with Other Solid Wastes for Cementitious Material Applications
BR15 - Strategies for Fixation of Leachable Ions from Bauxite Residue for use in Cementitious Materials
BR16 - Pilot Scale Zero Waste PB Smelting for Iron and SCM Production
BR17 - 3D-Printing Concrete with Bauxite Residue
BR18 - Demonstration of a Composting Plant for Soil Conditioner Incorporating Bauxite Residue
BR19 - Sustainable Utilization of Bauxite Residue in Road Construction
BR20 - Preparation of Mineral Silica-Potash Fertilizer from Calcified-Potash Alkaline Treated Red Mud
BR21 - Development of Polymer Composite from Bauxite Residue and Plastic Waste for Sustainable Utilization
EL01 - Preparation and Corrosion Resistance of NiFe2O4-NiCr2O4 Composite Ceramic-Based Inert Anodes
EL02 - Production of Prebaked Anodes Using Coal-Based Co-Coking Coke
EL03 - Modified Resin for Aluminium Carbon Anode Preparation
EL04 - A Study of Volatiles Emitted During Bio-Oil Upgrading to Bio-Pitch
EL05 - Investigation on Microstructural Representation and Transformation of Petroleum Coke via Self-Developed HRTEM Analytic Technique
EL06 - Prediction of Calcined Coke Powder Resistivity Based on XGBoost
EL07 - Multi-Stage Particle Size Crushing and Storage-Transportation System for Spent Anodes
EL08 - Baked Anode Density Improvement with Rotary Coke - A Success Story of ALBA
EL09 - An Optimized Mixing Approach for Improved Anode Quality
EL10 - XINFA Twin 60 tph Rhodax Green Anode Plant - 5 Years Later
EL11 - Modelling of the Preheating Section in Anode Baking Furnaces - A CFD Approach and a Mass-Energy Conservation Method
EL12 - Induced Draft Forced Cooling Process for Anode Baking Furnace
EL13 - Characterization Study of Carbonaceous Pitch Fumes and Their Condensates
EL14 - Technological Innovations and Practices of Carbon Roasting Furnaces for Aluminium Under the Demand of Large-Scale and High-Quality Production
EL15 - Novel Anode Baking Furnace Design for Improved Pit Temperature Uniformity and Anode Quality
EL16 - Optimizing Baking Furnace Performance and Anode Quality at Hindalco Renukoot Smelter
EL17 - Cost-Effective Transition to Larger Anodes - From Concept to Implementation
EL18 - Optimizing Stub-to-Carbon Contact for Higher Amperage in Aluminium Smelting – A Computational Study
EL19 - Operational Excellence in Rodding Plant - A Path to Control Sodium in Anode Butts
EL20 - Development and Application of an Online Quality Inspection System for Prebaked Anodes
EL21 - Sodium Sulfate Reactivity Test of Carbon Anodes in Aluminium Production
EL22 - Current Status of Standards for Testing Methods of Aluminium Carbon Materials in China
EL23 - Industrial Trials of Super Conductive Cathode Collector Bar Pastes in 300 kA Cells in Yunnan Aluminium Smelter
EL24 - Electrical Conductivity of Graphitized Cathode Carbon Block Based on Eddy Current Technology
AL01 - Technology Development and Application for Energy-Saving and Environmental Upgrades in Chinese Smelters Under New Policies
AL02 - Development of Ultra–Low Energy Consumption Technology in 500 kA Cells
AL03 - Analysis of New Energy-Saving Technology 2.0 of Different Cathode Materials and Cell Types
AL04 - Laterrière Smelter Experience During Low Amperage Operation Due to Rectifier Problems
AL05 - Mitigating the Impact of Varying Alumina Sources on the Smelting Process
AL06 - Implementation of SY-235 Technology for Upgrading One Potline to 235 kA at INALUM
AL07 - Pot Turnaround Time Reduction at Hirakud Aluminium to Enhance Productivity
AL08 - Application of AGV Technology in Anode Transportation
AL09 - Smelter Power Modulation in China and Application on High Amperage Reduction Cells
AL10 - Alba Reduction Line 1 Outage and Recovery
AL11 - Upgrading and Application of Cathode Energy-Saving Technology for 500 kA Aluminium Reduction Pots
AL12 - Application of RuC Technology in 600 kA Aluminium Reduction Cells
AL13 - Real-Time Cathode Voltage Drop (CVD) Analytics in Aditya Potline
AL14 - A Brief Historical Analysis of Heat Loss in Aluminium Reduction Cells in China
AL15 - 500 kA Cell Coke Preheating Optimization
AL16 - Wireless and Automated Preheat Monitoring of Aluminium Reduction Cell
AL17 - Stability of 500 kA Cells with Graphitized Cathodes and Copper-Insert Collector Bars During Early Operation
AL18 - Optimizing Aluminium Reduction Cell Start-up- A Semi-Conventional Approach at Sohar Aluminium
AL19 - Management of HDPS Siphon System in AP40 Kitimat Smelter - Roadmap of Challenges and Process Optimization
AL20 - Fresh Alumina Unloading and Conveying for Large-Scale Aluminium Electrolysis Projects
AL21 - Intelligent Storage and Conveying System for the Preparation of Multiple Particle Size Fractions and Grades of Electrolyte
AL22 - IoT-Based Safety Monitoring and Display System for Aluminium Electrolysis Cell Bypass Shunts
AL23 - High Purity Aluminium Production at Mahan and Aditya Smelters
AL24 - Study and Judgement on the Technological Dilemma and Trend of Three-Layer Liquid Electrolysis of Refined Aluminium
AL25 - Industrializing Technology Solutions for Aluminium Reduction Lines - A Future-Ready Approach
AL26 - Energy Consumption Evaluation - Different Practices and Possible Approaches to Their Harmonization
AL27 - Industrial Practice of Special Welding Technology for Aluminium Electrolysis Cells
AL28 - Development and Application of Aluminium-Steel Full-Section Direct Welding System for Cathode Voltage Drop Reduction
AL29 - Application Research of Nano-Ceramic-Based Anti-Oxidation Technology for Anodes and Stubs in Aluminium Electrolysis Cells
AL30 - Study on Oxidation Resistance Technology for Aluminium Electrolysis Anode Stubs
AL31 - Application of Energy-Saving Anode Yokes in 500 kA Aluminium Reduction Cells
AL32 - Reduction of Anode Gross Consumption with Anti-Oxidation Coating in 500 kA Cells
AL33 - A Preparation of Ultra-Low-Consumption Anode for Aluminium Electrolysis and Its Production Pilot
AL34 - Key Indicators of Predicting the Aluminium Reduction Cells Based on a Transformer Model Driven by Multi-Source Time Series Data
AL35 - Enhancing Potline Productivity Through Implementation of In-House Automation Control System at Maaden Aluminium
AL36 - Application and Prospects of Optical Fibre Measurement Technology for Current Distribution in Aluminium Electrolysis Cells
AL37 - Demand-Based Feeding Control for Different Zones in Aluminium Reduction Cell to Improve Uniformity of Alumina Concentration
AL38 - Discussion on Development of Intelligent Control Technology for Aluminium Reduction Cells
AL39 - RUSAL’s Digital Tools for the Proactive Control of Cells and Cell Lines
AL40 - Aluminium Smelter Multifunctional Overhead Crane - Intelligent Servo Control of Hydraulic System
AL41 - Design and Application of Intelligent Monitoring System for Aluminium Smelter Multifunctional Overhead Crane
AL42 - Accurate Bath Height Control in 500 kA Pots
AL43 - Determination of Liquidus Temperature of Aluminium Electrolysis Electrolyte by Conductivity Method
AL44 - Application of Intelligent Crust Breaking Cylinders in Aluminium Electrolysis
AL45 - Auto Retract Technology for Pneumatic Breakers and Feeders in INALUM Cells
AL46 - Application and Validation of Intelligent Inspection Robots in Aluminium Electrolysis
AL47 - Autonomous Intelligent Technology for Three-Steel Temperature Measurement Using Suspended-Rail Infrared Thermometry
AL48 - Automatic Temperature Measurement of Three Steel Components on Cathodes of 500 kA Cells
AL49 - Analysis of Voltage Signatures and Acknowledgement of Categories of Anode Effects Onset Using Continuous Anode Current Monitoring System (CACM)
AL50 - Research on Anode Effect Prediction and Pretreatment in the Industrial Aluminium Electrolysis Cell Based on Zone Anode Current
AL51 - Reducing Perfluorocarbon Generation at Tomago Aluminium Company through Improved Anode Effect Treatment
AL52 - AI-Driven Anode Effect Prediction in Hindalco Renukoot Smelter
AL53 - Production Practice of Reducing Anode Effect Frequency
AL54 - Bubble Dynamics and Anode Effects in Aluminium Chloride Electrolysis - Experimental and Numerical Simulation
AL55 - An Equation for Bubble-Induced Voltage Drop on Slotted and Non-Slotted Anodes
AL56 - Impact of Lithium Fluoride on Fluoride Evolution from Aluminium Electrolytic Cells in Maaden
AL57 - High-Efficiency Flue Gas Collection in Aluminium Reduction Cells
AL58 - Energy-Saving Retrofit Technology Analysis for Fluorine Removal in Aluminium Electrolysis Flue Gas Treatment
AL59 - Comparative Analysis of Seawater- and Calcium-Based Desulfurization of Aluminium Cell Fumes
AL60 - Gas Treatment Centre - Smart Filter Bags Cleaning With PLC-Based Automation at Sohar Aluminium
AL61 - Enhancement of Filter Bag Life in EGA's GTC
AL62 - Energy and Exergy Analysis of Flue Gas Waste Heat from Electrolytic Cells and Measures for Improving Its Grade
AL63 - Current Status of Carbon Emissions in the Aluminium Electrolysis Industry and Analysis of Carbon Reduction Pathways
AL64 - Multi-Period, Enterprise-Scale Optimisation Framework for Cost-Effective Decarbonisation of Aluminium Manufacturing
AL65 - Decarbonisation Roadmap for a Sustainable and Competitive Indian Aluminium Industry
AL66 - Application of Dynamic Optimization and Carbon Efficiency Synergy Driven by QFD-TOC Model in Low-Carbon Aluminium Electrolysis
AL67 - Exploration of Methods for Coupling and Integration of Green Electricity in Aluminium Smelter
AL68 - Electricity Market-Driven Optimisation of Aluminium Smelting Operations
AL69 - Existing and Future Electrical Supply Challenges
AL70 - Multiphysics Simulation of Aluminium Electrolysis Cells for Renewable Energy Consumption
AL71 - Study on Electrochemical Performance of Alloy Inert Anodes in Low-Temperature Aluminium Electrolytes
AL72 - Application of Intelligent Safety Technologies in Aluminium Electrolysis
AL73 - Sustainable Utilization of Spent Pot Lining (SPL) Non-Carbon Portion by Co-Processing in Cement Industries
AL74 - Recycling and Utilization of Used Dry Barrier Materials of Aluminium Electrolysis Cells
AL75 - A Non-Hazardous PAH-Free Ramming Paste Binder Made from Wood
AL76 - Review of Lining Materials and their Degradation in Aluminium Electrolysis Cells
AL77 - Quality Evaluation of Self-Bonded SiC as Sidelining Materials in Aluminium Electrolysis Cells
AL78 - Test of Powdery Bedding Materials for Use Underneath Cathode Blocks
AL79 - Use of Barrier Material to Reduce Sodium Penetration to the Sub-Cathodic Lining of Electrolytic Cells
AL80 - Impacts of Cathode Current Density on Cathode Wear
AL81 - Upgrade and Application of Anti-Disturbance Busbar Technology in Full-Current Environments with Strong Magnetic Fields
AL82 - Application of Networked Self-Balancing Busbar Technology (NSBT) for MHD Stability Improvement in Aluminium Reduction Cell
AL83 - Comparative Analysis of KPIs and MHD Stability Between Pots with Graphitized and Graphitic Cathodes
AL84 - MHD Stability of End Cells
AL85 - Comparison of the Calculation of the Magnetic Field and the Metal Pad Current Density from Different Models for a 330 kA Cell
AL86 - Analyzing the Dynamic Stabilization of Aluminium Electrolysis Cells
AL87 - Data-Driven Design - A New Paradigm and Application Exploration for Aluminium Reduction Cell Design
AL88 - A New 3D Transient Thermoelectric Modeling Approach for an Aluminium Electrolysis Cell Considering Bath Chemistry Variations
AL89 - Preliminary Development of a Transient 1D-Electrical Model of Hall-Héroult Electrolysis Cells
AL90 - An Optimization Method for Network Communication in Aluminium Smelter Reduction Shops
AL91 - Research on Cybersecurity Technologies for Smart Aluminium Smelters Based on AI Models
CH01 - Analysing Risk Factor Identification for Deep Well Casting and the Current Situation of Safety Management in China
CH02 - Why Do Some Casthouses Have Catastrophic Explosions While Others Do Not?
CH03 - Recovery of Flux Salts from Black Aluminium Dross
CH04 - Application of Plasma Arc Melting in Aluminium Recycling
CH05 - Innovative Applications and Technological Breakthroughs of 60-tonne Double-Chamber Furnace in Aluminium Recycling Industry
CH06 - On-line Chemical Analysis in an Aluminium Recycling Plant using LIBS Technology and Automation
CH07 - Use of AI in Automated Billet Quality Assessment
CH08 - Physics-Aware Multi-Agent AI Framework for Property Prediction and Design of Aluminium Alloys
CH09 - Accelerating Advanced Aluminium Alloy Design via Ontology-Driven Semantic Modelling and Large Language Models
CH10 - Process Efficiency Improvement of Billet Saw and Digitalisation of Ingot Caster at EGA
CH11 - Quantitative Microstructural Analysis of Direct Chill Casting of Aluminium Alloy by use of QEMSCAN
CH12 - Development of a Medium-Strength Al-Mg-Si Alloy with Optimised Zirconium Addition
CH13 - Real-Time Control of Thermal Balance based on Ingot Surface Temperature Measurements in Aluminium DC Casting for Enhanced Ingot Quality
CH14 - Development and Application of Automatic Flow Control and Emergency Devices in Aluminium Ingot Casting
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KN01 - Development Achievements and Future Outlook of China’s Aluminium Industry

Authors: Kang Yi - China Nonferrous Metals Industry Association

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