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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Alumina & Bauxite
Presentation Title New Process Research on Aluminium Production from Non-traditional Aluminum Resource by Microwave Chlorination
Author(s) Zhang Ting'an, Guozhi Lv, Long Wang, Zhihe Dou, Weiguang Zhang, Yukun Huang, Yanxiu Wang
On-Site Speaker (Planned) Zhang Ting'an
Abstract Scope A novel method was developed to prepare aluminium via fluidizing chlorination with untraditional aluminum resources as raw materials. The main steps in this method were: alumina transformed into aluminium chloride through fluidizing chlorination; aluminium chloride reacted with NaOH solution for aluminium hydroxide and NaCl; NaOH and Cl2 were recycled from NaCl solution by electrolytic process. The new process for preparing aluminium resources by fluidizing chlorination method was proposed to realize efficient separation of the valuable components in non-traditional aluminum resources such as fly ash or low grade bauxite, silicon in untraditional aluminum changed into SiCl4 in fluidizing chlorination which could be used as raw materials for high purity Si products. Furthermore, the tailings emission of this process was quite lower than that of Bayer process. This paper mainly introduce the principle of this new process, the thermodynamics of fluidizing chlorination is analysis as well.
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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