Process for making titanium metal from titanium ore

Details Process for making titanium metal from titanium ore Process for making titanium metal from titanium ore

C - Chemistry, Metallurgy

22

B

53/151

C22B 34/12 (2006.01)

Patent

CA 1215543

ABSTRACT OF THE DISCLOSURE The invention relates to a novel process for the preparation of titanium metal from an ore comprising titanium oxides which process comprises the steps of fluorinating the ore to convert the titanium oxides to titanium fluorides and then reducing the titanium fluorides to the metal. Such reduction may be carried out by contacting the titanium fluorides as a molten salt mixture with a molten alloy of zinc and aluminum at conditions whereby titanium is converted into a titanium-zinc alloy and the aluminum is converted into fluorides of aluminum. The titanium zinc alloy is separated from the fluorides of aluminum and the zinc is distilled from the alloy to leave behind titanium sponge. The ore may be an ilmenite ore and the fluorination may be carried out by contacting said ilmenite ore with a fluosilicate salt such as sodium fluosilicate.

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