PLUTONIUM EXTRACTION PROCESS
Patent
·
OSTI ID:4836955
A method is outlined for removing fission products and other materials from irradiated fuels. The essence of the method is the extraction of Pu in the 4+ oxidation state from an aqueous HNOs/sub 3/ solution of at least 7M acidity into an organic solution of an aliphatic secondary amine and thereafter stripping the Pu from the organic phase with a dilute HNO/sub 3/ solution. In the preferred embodiment of the method, Pu in the solution from the dissolution step is first reduced to 3+ and then oxidized to 4+ to prevent extraction of many contamninants. (D.L.C.)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-16-000290
- OSTI ID:
- 4836955
- Report Number(s):
- GB 880919
- Country of Publication:
- United Kingdom
- Language:
- English
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