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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Alumina & Bauxite
Presentation Title Security Disposal and Comprehensive Utilization of Bauxite Residues
Author(s) Songqing Gu, Zhonglin Yin, Lijuan Qi
On-Site Speaker (Planned) Songqing Gu
Abstract Scope Security disposal and comprehensive utilization of bauxite residues are of great significance to the world alumina industry due to environmental protection requirement and waste materials recovery. The security disposal and utilization technologies for bauxite residue will be shown and discussed in this paper. The dry stacking technology for Bayer residues by the drum or pressure filters has been applied widely in the Chinese refineries from 10 years ago. Magnetic separation dressing of high iron content red mud for iron ore concentrates has been put into industrial operations in China for more than 5 years. The residue from sintering process is able to be used for red mud pool dam construction and Soil Modifiers for high acidic soil areas for neutralizing and adsorbing the harmful heavy metal compounds in the soil. The high caustic Bayer residues could be applied for such construction materials as foamed ceramics and glass ceramics etc. The further utilization possibilities and potentials in the future are outlined in the steelmaking, construction, agriculture and environmental industry etc.
Proceedings Inclusion? Planned: Light Metals


A Novel Process of Alumina Production from Low-grade Bauxite Containing Sulfur
Application of Tricalcium Aluminate Instead of Lime for the Recovery of Aluminum in Middle-low Grade Bauxite in Calcification-Carbonization Process
CFB Alumina Calciners - New and Future Generation Opportunities for Green Field Refineries
Characterization and Ore Dressing of Bauxite from Brazil
Characterization of Activated Alumina Production via Spray Pyrolysis
Chemical Alumina Preparation by Using High Alumina Content Fly Ash
Evolutional Development of Alkaline Aluminosilicates Processing Technology
I-1: A Study on Optimization of Processing Parameters for Synthesis of Calcium Hydroaluminosulfate Using Response Surface Methodology
Iron Separation from Bauxite through Smelting-reduction Process
Leaching Behavior of Alumina from Smelting Reduction Calcium Aluminate Slag with Sodium Carbonate Solution
Low Temperature Reduction of Hematite in Red-Mud to Magnetite
New Process Research on Aluminium Production from Non-traditional Aluminum Resource by Microwave Chlorination
Process Optimization for Diaspore Digestion Equilibrium Using Response Surface Methodology
Processing Diasporic Red Mud by the Calcification-carbonation Method
Recovery of Iron-, Titanium-bearing Constituents from Bauxite Ore Residue via Magnetic Separation Followed by Sulfuric Acid Leaching
Research of Flocculants and Dewatering Additives for Filtration of Red Mud
Security Disposal and Comprehensive Utilization of Bauxite Residues
Thermodynamic Analysis and Formation Law of Q Phase of Calcium Aluminate Clinker
Thermodynamic Behavior of Lime Desulfurization in Sodium Aluminate Solution

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