PROCESS FOR SEPARATION OF HEAVY METALS
Patent
·
OSTI ID:4330444
A method is described for separating plutonium from aqueous acidic solutions of neutron-irradiated uranium and the impurities associated therewith. The separation is effected by adding, to the solution containing hexavalent uranium and plutonium, acetate ions and the ions of an alkali metal and those of a divalent metal and thus forming a complex plutonium acetate salt which is carried by the corresponding complex of uranium, such as sodium magnesium uranyl acetate. The plutonium may be separated from the precipitated salt by taking the same back into solution, reducing the plutonium to a lower valent state on reprecipitating the sodium magnesium uranyl salt, removing the latter, and then carrying the plutonium from ihe solution by means of lanthanum fluoride.
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-12-014397
- Assignee:
- U.S. Atomic Energy Commission
- Patent Number(s):
- US 2832793
- OSTI ID:
- 4330444
- Country of Publication:
- United States
- Language:
- English
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