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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Alumina & Bauxite
Presentation Title Alumina, Iron and Titanium Extracting from Bauxite Residue with Low Lime Sinter Method
Author(s) Di Zhang, Wei Zhang, Xin Hou, Daming Liu, Guanyi Liu, Bo Wang
On-Site Speaker (Planned) Bo Wang
Abstract Scope Bauxite residue, which contains considerable amounts of iron, aluminum and titanium, is a solid waste produced in the process of alumina extraction from bauxite. This paper researched the recovery of iron, aluminum, titanium from bauxite residue using low lime sintering and carbothermic reduction, which aimed at decreasing the clinker and energy consumption. Reduced iron obtained by magnetic separation separated with sintered clinker very well. In the sintered clinker, the main alumina-containing mineral is 2CaO·Al2O3·SiO2 as well as some 11.3CaO·7Al2O3, while the titanium-containing mineral is CaTiO3. 2CaO·Al2O3·SiO2 and 11.3CaO·7Al2O3 are easy to be extracted in 20% sulfuric acid at 80℃, and CaTiO3 is easy to be extracted in 60~80% sulfuric acid above 120℃. The recovery efficiencies of iron, aluminum and titanium in bauxite residue are 95.16%, 93.60% and 95.59% respectively.
Proceedings Inclusion? Planned: Light Metals

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Alumina, Iron and Titanium Extracting from Bauxite Residue with Low Lime Sinter Method
Analyzing the Bauxite Residue Amendment through the Addition of Ca and Mg Hydroxides Followed by Carbonation
Comprehensive Utilization of Red Mud: Current Research Status and a Possible Way Forward for Non-hazardous Treatment
Developing New Process for Selective Extraction of Rare Earth Elements from Bauxite Residue Based on Functionalized Ionic Liquids.
Development and Usage of Detailed Models of Technology at RUSAL Alumina Refineries
Digital Transformation in Alumina Refining
Effect of Organic Impurity on Seed Precipitation in Sodium Aluminate Solution
Effect of Sintering Conditions on the Stability of β-2CaO·SiO2 in High Sodium Carbonate Solution
Effects of Reductive Roasting with Sodium Salts on Leaching Behavior of Non-ferrous Elements in Bauxite Ore Residue
Experimental Investigation on Desiliconization of Low-grade Bauxite by Flotation Process
Expertimental Investigation on Reduction of Cast Iron from Bayer Red Mud and Laterite Nickel
Features of Pseudoboehmite from Alumina Production
Fitness-for-service Assessment and Re-rating of Flawed Alumina Feeding Vessels
Flotation of Low-grade Bauxite Using Modified Humics as Depressant
Flotation Separation of Pyrite from Refractory High-sulfur Bauxite
Hide details for [<a href="/PM/PM.nsf/ApprovedAbstracts/6D8E7B24CEA9C1568525815D003F6EE8?OpenDocument">How Digitalization Can FHow Digitalization Can Further Improve Plant Performance and Product Quality - Outotec Pretium Advisory Tool for Alumina Calcination
[Replication or Save Conflict]
Industrial Experience of Sinter Hydro-chemical Processing at Bogoslovsk Alumina Refinery
Miniplant Tests of HCl Technology of Alumina Production
Research on Alumina Preparation from Aluminium Chloride Solution by Electrolysis Process
Research on Impurity Removal of Low Grade Bauxite
Research on the Adsorption of Humic Acid on Pyrite Surface
Research on the Desulfurization of High Sulfur Bauxite
Research on the Interaction between 1-butyl-2-mercaptobenzimidazole and Pyrite
Roasting Pretreatment- low Temperature Digestion Method for Comprehensive Utilization of High-sulfur Bauxite
Specific Features of Scandium Behavior during Sodium Bicarbonate Leaching of Red Mud
Study on the Structure and Generation Mechanism of Intermediate (6AlO-OH) in Decomposition Process of Sodium Aluminate Solutions
The Impact of Backwater Iron Ions on Bauxite Flotation
The Properties of Superfine ATH Precipitated by Carbonation Method
Thermodynamics Analysis on Process of Pelletizing Chlorination of Fly Ash

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