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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Alumina & Bauxite
Presentation Title CFB Alumina Calciners - New and Future Generation Opportunities for Green Field Refineries
Author(s) Linus R Perander, Alessio A Scarsella, Edgar W Gasafi, Hans-Werner Schmidt
On-Site Speaker (Planned) Linus R Perander
Abstract Scope The latest CFB Calciners were installed in green field Alumina Refineries. Because of the pressure of cost reduction and additional competition, a low capital expenditure needs to be achieved. At the same time, an outstanding performance is expected regarding energy consumption, product quality and availability. It is obvious that these contradictory demands are running in a conflict, if the classic technology is only reproduced. New developments are required to achieve these challenging market demands. The paper describes how solutions were developed, proven and tested and expands on possible future improvements. Examples of new developments are described and it is shown how these targets are achieved with new large calciners installed in a new green field alumina refinery. These new features are considering a steady continuous operation. At the same time product quality and energy consumption are improved. Data for calciners with a capacity of 3500 tpd each will be provided.
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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