Method of stripping plutonium from tributyl phosphate solution w

Details Method of stripping plutonium from tributyl phosphate solution w Method of stripping plutonium from tributyl phosphate solution w

1972-03-10

1976-04-06

Padgett, Benjamin R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

2604291, 423251, B01d 1104, C22b 6104

Patent

active

039490491

ABSTRACT:
Fast breeder fuel elements which have been highly burnt-up are reprocessed by extracting uranium and plutonium into an organic solution containing tributyl phosphate. The tributyl phosphate degenerates at least partially into dibutyl phosphate and monobutyl phosphate, which form stable complexes with tetravalent plutonium in the organic solution. This tetravalent plutonium is released from its complexed state and stripped into aqueous phase by contacting the organic solution with an aqueous phase containing tetravalent uranium.

REFERENCES:
patent: 3276850 (1966-10-01), Rainey
patent: 3343925 (1967-09-01), Bathellier
patent: 3387945 (1968-06-01), Boudry et al.
Stoller et al., Reactor Handbook, Vol. II, Fuel Reprocessing, Interscience Publishers Inc., 1961, pp. 126-127.
Biddle et al., Solvent Extraction Chemistry of Metals, McKay et al. ed. Macmillan, London, 1966, pp. 133-160.

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