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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Alumina and Bauxite
Presentation Title Recovery of Iron from High-iron Bayer Red Mud by Smelting Reduction
Author(s) Kun Wang, Yan Liu, Guozhi Lv, Xiaofei Li, Xin Chen, Zhang Tingan
On-Site Speaker (Planned) Kun Wang
Abstract Scope The high-iron Bayer red mud, which contains 30% to 50% iron, is regarded as low-grade iron ore. With the global scarcity of iron supply worldwide, how to effectively utilize the iron in high-iron red mud has attracted more and more attention in recent decades. In this paper, the technology of recovery of iron from high-iron red mud was developed with smelting reduction followed by rapid cooling to separate the metal from slag. The effects of various experiment parameters such as temperature, basicity and reduction time on iron recovery from red mud was studied in detail. The results showed that the separation between metal and slag was thorough. The content of iron in metal and iron recovery ratio were 94.06% and 80.16% with basicity of 0.9 smelting at 1600℃ for 30 min. The optimum experiment result were of great significance to achieve large-scale, high-value utilization of red mud.
Proceedings Inclusion? Planned: Light Metals


A Digital Refinery Approach to Process Troubleshooting and Improvements
A Review of Comprehensive Utilization of High-iron Red Mud of China
Application of Advanced Oxidative Process for Organic Compounds Removal from Bayer Liquor
Bayer Process Towards the Circular Economy – Metal Recovery from Bauxite Residue
Bayer Process Towards the Circular Economy – Soil Conditioners from Bauxite Residue
Brazilian Bauxite Residue Physical-chemical Characterization and Acidic Neutralization Potential
Conversion Behavior of Iron-containing Minerals in the Process of Dissolving High-iron Bauxite by Starch Hydrothermal Method
Disc Magnetic Separator Applied to the Extraction of Magnetite in Bauxite Residue
Effect of Concentrations and Pressures of CO2 on Calcification-Carbonation Treatment of Bauxite residue
Effects of the Granular Properties of Bauxite Pisolites on the Solid/Liquid Separation in Liquid Fluidized Beds of Classifiers
F-4: Investigation on Heat Resisting Cast Iron Produced Through Carbothermic Reduction of Alumina Residue (Bayer Red Mud)
Impacts of Mineralogy on Soluble Phosphorus Concentrations During Low Temperature Processing of Jamaican Bauxites
Improved Technology of Scandium Recovery from Solutions of Bauxite Residue Carbonation Leaching
Inhibition of Kaolinite Dissolution in Bayer Liquor Through Addition of Lithium
Ionic Effect of NaCl and KCl on the Flotation of Diaspore and Kaolinite using Sodium Oleate as Collector
Mineralogical Assessment of the Solid Phase Obtained on Leaching of Brazilian Red Mud
Quantifying the Effect of Seeds on Gibbsite Crystallization – Mathematical Modelling of Particle Size Distribution
Recovery of Iron from High-iron Bayer Red Mud by Smelting Reduction
The Alumina Technology Roadmap 4.0.

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