|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||8th International Symposium on High Temperature Metallurgical Processing
||Preparation of Low-carbon Ti2O3 by Carbonthermal Reduction of the Mixture of Titanium Dioxide and Activated Carbon under Vacuum Condition
||Kejia Liu, Yaowu Wang, Yuezong Di, Jianping Peng, Xinzhong Deng, Naixiang Feng, Yi Zhang
|On-Site Speaker (Planned)
Low-carbon Ti2O3 was prepared by carbonthermal reduction of the mixture of titanium dioxide and activated carbon at a vacuum condition. The kinetics and phases evolution of the Ti2O3 formation process were investigated using X-ray diffraction and gravimetric analysis and the microstructure by SEM. The only intermediate phase detected is Ti3O5.The duration of completely reduction shorted sharply to 4h when the temperature raising to 1300oC. The best molar ratio of activated carbon and TiO2 is 0.6 to 1. At this condition, the content of Ti2O3 in slag is up to 95.63 wt% and the content of the carbon element is below 0.004 wt%, which meets the requirements for the further preparation of metal Ti by FFC Cambridge process. At the same time, the microstructure of Ti2O3 generated presented porosity, which will promote the electro-deoxidation process extremely.
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