PUREX PROCESS PERFORMANCE WITH SHORT-RESIDENCE CONTACTORS
Recovery and purification were satisfactory in miniatarepilot-plant tests of the Purex first cycle with the solvent residing four seconds in each extraction stage. Decontamination factors for both zirconium-- niobium and ruthenium were greater than 10,000 with negligible crosscontamination of uranium and plutonium. The effects of the following on decontamination and plutonium partitioning were determined: irradiation level of the fuel, operating temperature, solvent saturation, accumulated exposure of the solvent, nitrous acid, and ferrous sulfamate versus U(IV) as a reductant for Pu(IV). (auth)
- Research Organization:
- Du Pont de Nemours (E.I.); Co. Savannah River Lab., Aiken, S.C.
- NSA Number:
- NSA-18-005412
- OSTI ID:
- 4121569
- Report Number(s):
- DP-809
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ACETONE
ACETYL RADICALS
ACETYLACETONE
BENZENE
CHEMISTRY
DECOMPOSITION
DECONTAMINATION
DISTRIBUTION
EQUATIONS
ESTERS
FUELS
HAFNIUM COMPLEXES
IONS
IRON COMPOUNDS
MINERAL ACIDS
NIOBIUM
NITROUS ACID
OPERATION
PLUTONIUM COMPOUNDS
PUREX PROCESS
QUANTITATIVE ANALYSIS
QUANTITY RATIO
RADIATION DOSES
REDUCTION
RUTHENIUM
SOLVENT EXTRACTION
SULFAMIC ACID
SULFONIC ACIDS
TEMPERATURE
WATER
ZIRCONIUM
ACETYL RADICALS
ACETYLACETONE
BENZENE
CHEMISTRY
DECOMPOSITION
DECONTAMINATION
DISTRIBUTION
EQUATIONS
ESTERS
FUELS
HAFNIUM COMPLEXES
IONS
IRON COMPOUNDS
MINERAL ACIDS
NIOBIUM
NITROUS ACID
OPERATION
PLUTONIUM COMPOUNDS
PUREX PROCESS
QUANTITATIVE ANALYSIS
QUANTITY RATIO
RADIATION DOSES
REDUCTION
RUTHENIUM
SOLVENT EXTRACTION
SULFAMIC ACID
SULFONIC ACIDS
TEMPERATURE
WATER
ZIRCONIUM