Process for the selective separation of uranium from its...

Details Process for the selective separation of uranium from its... Process for the selective separation of uranium from its...

C - Chemistry, Metallurgy

22

B

361/2, 53/215, 3

C22B 60/02 (2006.01) B03D 1/001 (2006.01) B03D 1/02 (2006.01)

Patent

CA 1124084

ABSTRACT OF THE DISCLOSURE Disclosed is a process for the selective se- paration of uranium from metals accompanying it in a uranium-containing ore, comprising the steps of pre- paring a uranium-containing solution; adding to the solution i) hydrochloric acid in an amount sufficient to form complex anions of the type (U02C1n)2-n wherein n is 3 or 4, or ii) sulfuric acid in an amount sufficient to form complex anions of the type U02(SO4)m 2-2m wherein m is 2 or 3; adding to the solution a cationic surface active agent which forms a relating insoluble precipitate with the complex anion; subjecting the solu- tion containing said precipitate to a gas flotation step; separating the foam fraction from the liquid fraction; and recovering uranium from the foam fraction. Also disclosed is an apparatus for carrying out the process.

325728

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