Preparation of Titanium from TiCl4 in a Molten Fluoride-chloride Salt

Titanium was prepared from TiCl4 in molten NaCl-KCl-NaF salt. The product of the reaction of TiCl4 with NaF was identified using X-ray diffraction, and its electrochemical behavior was studied using cyclic voltammetry and square wave voltammetry. The electrochemical deposition of titanium was invest...

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Bibliographic Details
Published in:Denki kagaku oyobi kōgyō butsuri kagaku 2017/11/05, Vol.85(11), pp.715-720
Main Authors: ZHU, Fuxing, QIU, Kehui, SUN, Zhaohui
Format: Article
Language:English
Subjects:
Cathodes
Chlorine
Electrochemical analysis
Electrochemical Deposition
Electrochemistry
Fluoride-Chloride Melt
Fluorides
Melts
Potassium chloride
Salts
Sodium chloride
TiCl4
Titanium
Titanium Production
Voltammetry
X-ray diffraction
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Summary:Titanium was prepared from TiCl4 in molten NaCl-KCl-NaF salt. The product of the reaction of TiCl4 with NaF was identified using X-ray diffraction, and its electrochemical behavior was studied using cyclic voltammetry and square wave voltammetry. The electrochemical deposition of titanium was investigated during the addition of TiCl4 to NaCl-KCl-NaF melts. The results indicate that Na2TiF6 was first obtained through the reaction of NaF with TiCl4 in the NaF-KCl-NaCl melt, and Na2TiF6 was decomposed to Na+ and [TiF6]2− in the melts. [TiF6]2− was then sequentially reduced to [TiF6]3− and Ti at the cathode, accompanied by chlorine gas emission at the anode and fluoride formation at the cathode.
ISSN:1344-3542
2186-2451
DOI:10.5796/electrochemistry.85.715