REDUCTION OF PLUTONIUM VALUES IN AN ACIDIC AQUEOUS SOLUTION WITH FORMALDEHYDE
Patent
·
OSTI ID:4238404
A method is given for reducing Pu to the tetravalent state and lowering the high acidity of dissolver solutions containing U and Pu. Formaldehyde is added to the HNO/sub 3/ solution of U and Pu to effect a formaldehyde to HNO/sub 3/ molar ratio of 0.375:1 to 1.5:1. The Pu can then be removed from the solution by carrier precipitation using BiPO/sub 4/ or by ion exchange. (T.R.H.)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-13-021002
- Assignee:
- U.S. Atomic Energy Commission
- Patent Number(s):
- US 2890098
- OSTI ID:
- 4238404
- Resource Relation:
- Other Information: Orig. Receipt Date: 31-DEC-59
- Country of Publication:
- United States
- Language:
- English
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OSTI ID:4238404
Related Subjects
CHEMISTRY
ACIDITY
ALDEHYDES
ATOMS
BISMUTH PHOSPHATES
CARRIERS
CHEMICAL REACTIONS
ELECTRIC CHARGES
FORMIC ACID
ION EXCHANGE
IONS
NITRIC ACID
PERFORMANCE
PLUTONIUM COMPOUNDS
PLUTONIUM NITRATES
PRECIPITATION
QUANTITY RATIO
RECOVERY
REDUCTION
SEPARATION PROCESSES
SOLUTIONS
URANIUM COMPOUNDS
URANYL NITRATES
WATER
ACIDITY
ALDEHYDES
ATOMS
BISMUTH PHOSPHATES
CARRIERS
CHEMICAL REACTIONS
ELECTRIC CHARGES
FORMIC ACID
ION EXCHANGE
IONS
NITRIC ACID
PERFORMANCE
PLUTONIUM COMPOUNDS
PLUTONIUM NITRATES
PRECIPITATION
QUANTITY RATIO
RECOVERY
REDUCTION
SEPARATION PROCESSES
SOLUTIONS
URANIUM COMPOUNDS
URANYL NITRATES
WATER