Treatment of titaniferous materials

Details Treatment of titaniferous materials Treatment of titaniferous materials

C - Chemistry, Metallurgy

22

B

C22B 1/00 (2006.01) C22B 3/04 (2006.01) C22B 34/12 (2006.01) C22B 60/02 (2006.01)

Patent

CA 2141406

A process for facilitating the removal of impurities e.g. radionuclides, such as uranium and thorium, and/or one or more of their radionuclide daughters, from titaniferous material includes contacting the titaniferous material with one or more reagents at an elevated temperature selected to enhance the accessibility of at least one of the radionuclide daughters in the titaniferous material. The reagent(s) may be a glass forming reagent and is selected to form a phase at the elevated temperature which dis- perses onto the surfaces of the titaniferous material and incorporates the radionuclides and one or more radionuclide daughters. The titaniferous material may be, e.g., ilmenite, reduced ilmenite, altered ilmenite ar synthetic rutile.

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