A method of producing titanium

C - Chemistry – Metallurgy – 22 – B

Patent

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C22B 34/12 (2006.01) C01G 23/00 (2006.01) C22B 5/04 (2006.01) C22C 1/00 (2006.01)

Patent

CA 2588348

A method of producing titanium metal from a titanium-containing material includes the steps of producing a solution of M"TiF6 from the titanium- containing material, selectively precipitating M'2TiF6 from the solution by the addition of (M')aXb and using the selectively precipitated M'2TiF6 to produce titanium. M" is a cation of the type which forms a hexafluorotitanate, M' is selected from ammonium and the alkali metal cations, X is an anion selected from halide, sulphate, nitrite, acetate and nitrate and a and b are 1 or 2.

L'invention concerne un procédé de production de métal de titane à partir d'un matériau contenant du titane. Le procédé consiste à: produire une solution de M"TiF6 à partir du matériau contenant du titane; précipiter sélectivement le M"TiF6 à partir de la solution par adjonction de (M')aXb; et utiliser le M"TiF6 sélectivement précipité pour produire du titane. M" est un cation du type qui forme un hexafluorotitanate; M' est sélectionné dans le groupe constitué par ammonium et les cations de métal alcalin; X est un anion sélectionné dans le groupe constitué par halogénure, sulfate, nitrite, acétate et nitrate; et a et b sont 1 ou 2.

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