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Selective Extraction and Separation of Titanium from Vanadium Slag and Preparation of TiO2

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  • NSTL
  • Chemical Soc Japan
Vanadium slag usually contains 13.52-19.03 mass % V2O3 and 6.92-14.35 mass % TiO2. The V in vanadium slag is effectively extracted by traditional methods, whereas Ti, a valuable metal, cannot be used. To effectively utilize the Ti, a new method for preparing TiO2 from vanadium slag via AlCl3 chlorination-TiCl4 hydrolysis was proposed in this work. The chlorination of Ti in vanadium slag, thermodynamics of hydrolysis of metal chlorides (TiCl4 and AlCl3), and hydrolysis of chlorides were investigated. Rutile TiO2 containing a small amount of impurities (1.58 mass % Al and 2.03 mass % Cl) was synthesized.

Valuable metalsVanadium slagHydrolysis of TiCl4

Liu, Shiyuan、He, Xiaobo、Wu, Shun、Liu, Yahui、Wang, Lijun、Chou, Kuo-Chih

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Univ Sci & Technol Beijing, Collaborat Innovat Ctr Steel Technol, Beijing 100083, Peoples R China

Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China

Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China

2021

10.1246/cl.200796

Chemistry Letters

Chemistry Letters

CCR
ISSN：0366-7022
年,卷(期)：2021.50(3)
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