Process for the extraction of uranium (VI) and/or plutonium (IV)

Details Process for the extraction of uranium (VI) and/or plutonium (IV) Process for the extraction of uranium (VI) and/or plutonium (IV)

1990-01-22

1992-07-21

Hunt, Brooks H.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

252631, 252626, C01G 5600, C01G 4300

Patent

active

051320924

ABSTRACT:
The invention relates to a process for the extraction of uranium (VI) and/or plutonium (IV) present in an acid aqueous solution by means of a mixture of N,N-dialkyl amides usable for the reprocessing of irradiated nuclear fuels.
In (50 or 52) contacting takes place between an aqueous solution containing U(VI) and Pu(IV) and an organic solvent incorporating a mixture of two N,N-dialkyl amides, e.g. of formulas: ##STR1## and then by separating (in 50 or 52) the organic solvent containing either U(VI) and Pu(IV), or U(VI).

REFERENCES:
patent: 4548790 (1985-10-01), Horwitz et al.
patent: 4572802 (1986-02-01), Hubert et al.
patent: 4574072 (1986-03-01), Horwitz et al.
patent: 4770807 (1988-09-01), Musikas et al.
patent: 4772429 (1988-09-01), Descouls et al.
patent: 4938871 (1990-07-01), Musikas et al.
Cleveland J. M., The Chemistry of Plutonium, 1970, pp. 250-251.

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