Laboratory-scale evaluations of alternative plutonium precipitation methods
Plutonium(III), (IV), and (VI) carbonate; plutonium(III) fluoride; plutonium(III) and (IV) oxalate; and plutonium(IV) and (VI) hydroxide precipitation methods were evaluated for conversion of plutonium nitrate anion-exchange eluate to a solid, and compared with the current plutonium peroxide precipitation method used at Rocky Flats. Plutonium(III) and (IV) oxalate, plutonium(III) fluoride, and plutonium(IV) hydroxide precipitations were the most effective of the alternative conversion methods tested because of the larger particle-size formation, faster filtration rates, and the low plutonium loss to the filtrate. These were found to be as efficient as, and in some cases more efficient than, the peroxide method. 18 references, 14 figures, 3 tables.
- Research Organization:
- Rockwell International Corp., Golden, CO (USA). Rocky Flats Plant
- DOE Contract Number:
- AC04-76DP03533
- OSTI ID:
- 5318991
- Report Number(s):
- RFP-3589; ON: DE84007334
- Country of Publication:
- United States
- Language:
- English
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050800 -- Nuclear Fuels-- Spent Fuels Reprocessing
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ACTINIDE COMPOUNDS
ACTINIDES
BENCH-SCALE EXPERIMENTS
CARBON COMPOUNDS
CARBONATES
CARBOXYLIC ACID SALTS
CRYSTAL STRUCTURE
ELEMENTS
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FLUORINE COMPOUNDS
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HALOGEN COMPOUNDS
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HYDROXIDES
METALS
OXALATES
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PARTICLE SIZE
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PLUTONIUM
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PLUTONIUM FLUORIDES
PLUTONIUM HYDROXIDES
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37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105 -- Separation Procedures
ACTINIDE COMPOUNDS
ACTINIDES
BENCH-SCALE EXPERIMENTS
CARBON COMPOUNDS
CARBONATES
CARBOXYLIC ACID SALTS
CRYSTAL STRUCTURE
ELEMENTS
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
HYDROGEN COMPOUNDS
HYDROXIDES
METALS
OXALATES
OXYGEN COMPOUNDS
PARTICLE SIZE
PEROXIDES
PLUTONIUM
PLUTONIUM CARBONATES
PLUTONIUM COMPOUNDS
PLUTONIUM FLUORIDES
PLUTONIUM HYDROXIDES
PLUTONIUM PEROXIDES
PRECIPITATION
SEPARATION PROCESSES
SIZE
TRANSURANIUM COMPOUNDS
TRANSURANIUM ELEMENTS