The production of titanium trifluoride

Details The production of titanium trifluoride The production of titanium trifluoride

C - Chemistry, Metallurgy

01

G

C01G 23/02 (2006.01) C22B 34/12 (2006.01)

Patent

CA 2712116

A method for the production of titanium trifluoride from a titanium-containing material, includes the steps of pro-ducing a fluoride solution of Ti(IV) from the titanium-containing material and reducing the Ti(IV) in the solution with a transition metal or an alloy of the transition metal. The transition metal is selected from manganese, iron, cobalt, nickel and zinc. An ammo-nium containing salt and either ammonia or ammonium fluoride are added to the resulting solution containing Ti(III) to produce a precipitate, and the precipitate is pyrolysed to produce titanium trifluoride.

L'invention concerne un procédé de production de trifluorure de titane à partir d'un matériau contenant du titane. Ce procédé consiste à produire une solution de fluorure de Ti(IV) à partir du matériau contenant du titane et à réduire le Ti(IV) dans la solution avec un métal de transition ou un alliage de ce métal de transition. Le métal de transition est sélectionné parmi le manganèse, le fer, le cobalt, le nickel et le zinc. Un sel contenant de l'ammonium et de l'ammoniac ou du fluorure d'ammonium sont ajoutés à la solution résultante contenant du Ti(III) pour produire un précipité, puis le précipité est pyrolysé pour produire du trifluorure de titane.

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