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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Alumina and Bauxite
Presentation Title F-4: Investigation on Heat Resisting Cast Iron Produced Through Carbothermic Reduction of Alumina Residue (Bayer Red Mud)
Author(s) Jianmin Zeng, Ke Zhu, Zimeng Tan, Aoping He
On-Site Speaker (Planned) Jianmin Zeng
Abstract Scope A heat resisting cast iron was prepared by adding an amounts of metal nickel to the cast iron that had been recoveried by carbothermal reduction of Bayer red mud (RM cast iron for short). The thermal behavior of RM cast iron was investigated by thermal analysis.The results show that the heat resistance of RM cast iron increases with the increasing of nickel content untill the nickel content gets to 22%. The weight loss of the samples during heating were compared among RM cast iron, QTANi35Si5Cr2 and RuTRSi4Mo1.The results showed the three alloys have a theoretical transition point,after which the oxidation suddenly increases.The transition point temperatures of RM-22,QTANi35Si5Cr2 and RuTRSi4Mo1 are 1092℃, 1160℃ and 1116℃ respectively. The mechanical properties of RM cast iron are better than those of QTANi35Si5Cr2 and RuTRSi4Mo1.In conclusion, RM cast iron is a high cost-effective material for automobile exhaust pipe.
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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