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Title: PROCESS FOR THE RECOVERY OF PLUTONIUM

Patent ·
OSTI ID:4253014

An improvement is presented in the process for recovery and decontamination of plutonium. The carrier precipitate containing plutonium is dissolved and treated with an oxidizing agent to place the plutonium in a hexavalent oxidation state. A lanthanum fluoride precipitate is then formed in and removed from the solution to carry undesired fission products. The fluoride ions in the reniaining solution are complexed by addition of a borate sueh as boric acid, sodium metaborate or the like. The plutonium is then reduced and carried from the solution by the formation of a bismuth phosphate precipitate. This process effects a better separation from unwanted flssion products along with conccntration of the plutonium by using a smaller amount of carrier.

Research Organization:
Originating Research Org. not identified
NSA Number:
NSA-13-013375
Assignee:
U.S. Atomic Energy Commission
Patent Number(s):
US 2868619
OSTI ID:
4253014
Resource Relation:
Other Information: Orig. Receipt Date: 31-DEC-59
Country of Publication:
United States
Language:
English